COVER INFORMATION Station: DSS63 (Code Ro ) Experiment: Maser imaging Exp. Code: GA037B Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Alexei Alakoz Address: ASC Lebedev Profsoyuznaya 84/32 117997 Moscow, Russia Phone: +7-495-3332167 EMAIL: alexey.alakoz@gmail.com Fax: +7-495-3332378 Phone during observation: +7-916-5452842 Observing mode: K-band, dual-pol Notes: K-band, Radioastron-compatible frequency setup P-CAL is OFF, Tsys is ON auto-level (AGC) is ON Please, send Mk5 disk packs to JIVE COVER LETTER: Project: Tracing micro-structures of H2O masers with ultimate angular resolution RadioAstron-EVN out of session observations of W51 M/S K-band, dual-polarization Observational code: rags15b (RadioAstron), GA037B (ground) Proposals: RA-AO3-02; GA037; Task: Maser imaging Start(UT): 08.10.2015 15:00:00 Stop(UT) : 09.10.2015 00:00:00 Band: KK Pcal: OFF, noise diode: ON Source: W51_E8_H2O, 1923+210, 1928+154 GRT: Jb2(K), Ef(K), Nt(K), Sh(K), Ur(K), Tr(K), Ys(K), Ro(K:23:30-02:25), Hh(K) SRT: 15:00-15:10; 15:20-15:50; 19:00-19:40; 19:50-20:00; 22:35-23:25 Comments: 1.7xED PA=29.4 Comments: 22236 MHz Comments: Space Radio Telescope (SRT): Records dual-polarization LSB and USB 16 MHz wide IFs of the central frequency 22236.00 MHz, two IFs per polarization. Bitrate: 128 Mbps (1-bit sampling) Green Bank tracking station is used. Ground: Records dual-polarization LSB and USB 16 MHz wide IFs of the central frequency 22236.00 MHz, two IFs per polarization. Bitrate: 256 Mbps (2-bit sampling) *** Please make sure that PCAL is OFF. Thanks! *** Correlation: This experiment will be correlated by the JIVE-SFXC correlator & ASC correlator. Please, send all the data as disks or e-transfer to JIVE, then data will be forwarded to ASC (Moscow). Alexei Schedule for DSS63 (Code Ro ) Page 2 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- ---------- Space-ground K-band fringe finder scan ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 Next BBC frequencies: 322.00 322.00 322.00 322.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 15 00 00 1923+210 15 50 43 40.6 456.1 -3.6 -54.2 0 0 15 00 00 15 10 00 --- 16 00 45 42.5 458.0 -3.4 -53.9 600 19 15 00 04 ---------- Ground-only K-band VLBI scans ---------- 15 11 00 W51_E8_H2O 16 01 45 39.0 465.4 -3.4 -49.3 20 19 15 11 00 15 12 00 --- 16 02 45 39.2 465.6 -3.4 -49.2 60 21 15 11 04 15 12 00 1922+155 16 02 45 39.8 464.3 -3.4 -50.0 -16 21 No stop 15 13 00 --- 16 03 45 40.0 464.5 -3.4 -50.0 44 23 15 12 04 15 13 00 W51_E8_H2O 16 03 45 39.4 465.8 -3.3 -49.2 -16 23 No stop 15 14 00 --- 16 04 45 39.6 466.0 -3.3 -49.1 44 25 15 13 04 15 14 00 1922+155 16 04 45 40.2 464.7 -3.3 -49.9 -16 25 No stop 15 15 00 --- 16 05 45 40.4 464.9 -3.3 -49.8 44 27 15 14 04 15 15 00 W51_E8_H2O 16 05 45 39.8 466.2 -3.3 -49.0 -16 27 No stop 15 16 00 --- 16 06 46 40.0 466.5 -3.3 -49.0 44 29 15 15 04 15 16 00 1922+155 16 06 46 40.5 465.1 -3.3 -49.8 -16 29 No stop 15 17 00 --- 16 07 46 40.7 465.3 -3.3 -49.7 44 31 15 16 04 15 17 00 W51_E8_H2O 16 07 46 40.1 466.7 -3.3 -48.9 -16 31 No stop 15 18 00 --- 16 08 46 40.3 466.9 -3.3 -48.8 44 33 15 17 04 15 18 00 1922+155 16 08 46 40.9 465.5 -3.3 -49.6 -16 33 No stop 15 19 00 --- 16 09 46 41.1 465.7 -3.3 -49.6 44 35 15 18 04 ---------- Space-ground water maser scans (K-band) ---------- 15 20 00 W51_E8_H2O 16 10 46 40.7 467.3 -3.2 -48.7 44 35 15 20 00 15 30 00 --- 16 20 48 42.5 469.5 -3.1 -47.9 600 54 15 20 04 15 31 00 W51_E8_H2O 16 21 48 42.7 469.7 -3.0 -47.8 50 54 15 31 00 15 40 00 --- 16 30 50 44.3 471.7 -2.9 -46.9 540 71 15 31 04 15 41 00 W51_E8_H2O 16 31 50 44.5 471.9 -2.9 -46.8 50 71 15 41 00 15 50 00 --- 16 40 51 46.0 474.1 -2.7 -45.9 540 88 15 41 04 Schedule for DSS63 (Code Ro ) Page 3 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- ---------- Ground-only K-band VLBI scans ---------- 15 52 00 W51_E8_H2O 16 42 52 46.4 474.6 -2.7 -45.7 110 88 15 52 00 15 53 00 --- 16 43 52 46.6 474.8 -2.7 -45.5 60 90 15 52 04 15 53 00 1922+155 16 43 52 47.2 473.4 -2.7 -46.5 -16 90 No stop 15 54 00 --- 16 44 52 47.4 473.6 -2.7 -46.4 44 92 15 53 04 15 54 45 W51_E8_H2O 16 45 37 46.9 475.3 -2.6 -45.3 28 92 15 54 45 15 55 45 --- 16 46 37 47.0 475.5 -2.6 -45.2 60 94 15 54 49 15 55 45 1922+155 16 46 37 47.7 474.0 -2.6 -46.2 -16 94 No stop 15 56 45 --- 16 47 37 47.9 474.3 -2.6 -46.1 44 96 15 55 49 15 56 45 W51_E8_H2O 16 47 37 47.2 475.8 -2.6 -45.1 -17 96 No stop 15 57 45 --- 16 48 37 47.4 476.0 -2.6 -45.0 43 98 15 56 49 15 57 45 1922+155 16 48 37 48.0 474.5 -2.6 -46.0 -16 98 No stop 15 58 45 --- 16 49 38 48.2 474.8 -2.6 -45.9 44 100 15 57 49 15 58 45 W51_E8_H2O 16 49 38 47.5 476.3 -2.6 -44.8 -17 100 No stop 15 59 45 --- 16 50 38 47.7 476.5 -2.6 -44.7 43 102 15 58 49 15 59 45 1922+155 16 50 38 48.4 475.0 -2.6 -45.8 -16 102 No stop 16 00 45 --- 16 51 38 48.6 475.3 -2.6 -45.6 44 104 15 59 49 16 00 45 W51_E8_H2O 16 51 38 47.9 476.8 -2.5 -44.6 -17 104 No stop 16 01 45 --- 16 52 38 48.1 477.0 -2.5 -44.5 43 106 16 00 49 16 01 45 1922+155 16 52 38 48.7 475.6 -2.5 -45.5 -16 106 No stop 16 02 45 --- 16 53 38 48.9 475.8 -2.5 -45.4 44 108 16 01 49 16 02 45 W51_E8_H2O 16 53 38 48.2 477.3 -2.5 -44.3 -17 108 No stop 16 03 45 --- 16 54 38 48.4 477.6 -2.5 -44.2 43 109 16 02 49 16 03 45 1922+155 16 54 38 49.1 476.1 -2.5 -45.3 -17 109 No stop 16 04 45 --- 16 55 39 49.2 476.3 -2.5 -45.1 43 111 16 03 49 16 05 30 W51_E8_H2O 16 56 24 48.7 478.0 -2.5 -44.0 28 111 16 05 30 16 06 30 --- 16 57 24 48.9 478.3 -2.5 -43.8 60 113 16 05 34 16 06 30 1922+155 16 57 24 49.5 476.8 -2.5 -44.9 -17 113 No stop 16 07 30 --- 16 58 24 49.7 477.1 -2.4 -44.8 43 115 16 06 34 Schedule for DSS63 (Code Ro ) Page 4 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 16 07 30 W51_E8_H2O 16 58 24 49.0 478.5 -2.4 -43.7 -17 115 No stop 16 08 30 --- 16 59 24 49.2 478.8 -2.4 -43.6 43 117 16 07 34 16 08 30 1922+155 16 59 24 49.9 477.3 -2.4 -44.6 -17 117 No stop 16 09 30 --- 17 00 24 50.1 477.6 -2.4 -44.5 43 119 16 08 34 16 09 30 W51_E8_H2O 17 00 24 49.4 479.1 -2.4 -43.4 -17 119 No stop 16 10 30 --- 17 01 25 49.5 479.4 -2.4 -43.3 43 121 16 09 34 16 10 30 1922+155 17 01 25 50.2 477.9 -2.4 -44.4 -17 121 No stop 16 11 30 --- 17 02 25 50.4 478.1 -2.4 -44.2 43 123 16 10 34 16 11 30 W51_E8_H2O 17 02 25 49.7 479.6 -2.4 -43.1 -17 123 No stop 16 12 30 --- 17 03 25 49.9 479.9 -2.4 -43.0 43 125 16 11 34 16 12 30 1922+155 17 03 25 50.6 478.4 -2.4 -44.1 -17 125 No stop 16 13 30 --- 17 04 25 50.7 478.7 -2.3 -43.9 43 127 16 12 34 16 13 30 W51_E8_H2O 17 04 25 50.0 480.2 -2.3 -42.8 -17 127 No stop 16 14 30 --- 17 05 25 50.2 480.5 -2.3 -42.7 43 129 16 13 34 16 14 30 1922+155 17 05 25 50.9 478.9 -2.3 -43.8 -17 129 No stop 16 15 30 --- 17 06 25 51.1 479.2 -2.3 -43.6 43 131 16 14 34 16 16 15 W51_E8_H2O 17 07 10 50.5 481.0 -2.3 -42.4 28 131 16 16 15 16 17 15 --- 17 08 11 50.6 481.2 -2.3 -42.3 60 132 16 16 19 16 17 15 1922+155 17 08 11 51.4 479.7 -2.3 -43.4 -17 132 No stop 16 18 15 --- 17 09 11 51.5 480.0 -2.3 -43.2 43 134 16 17 19 16 18 15 W51_E8_H2O 17 09 11 50.8 481.5 -2.3 -42.1 -17 134 No stop 16 19 15 --- 17 10 11 51.0 481.8 -2.2 -41.9 43 136 16 18 19 16 19 15 1922+155 17 10 11 51.7 480.3 -2.3 -43.1 -17 136 No stop 16 20 15 --- 17 11 11 51.8 480.6 -2.2 -42.9 43 138 16 19 19 16 20 15 W51_E8_H2O 17 11 11 51.1 482.1 -2.2 -41.8 -17 138 No stop 16 21 15 --- 17 12 11 51.3 482.4 -2.2 -41.6 43 140 16 20 19 16 21 15 1922+155 17 12 11 52.0 480.8 -2.2 -42.8 -17 140 No stop 16 22 15 --- 17 13 11 52.2 481.1 -2.2 -42.6 43 142 16 21 19 16 22 15 W51_E8_H2O 17 13 11 51.5 482.7 -2.2 -41.5 -17 142 No stop 16 23 15 --- 17 14 12 51.6 483.0 -2.2 -41.3 43 144 16 22 19 Schedule for DSS63 (Code Ro ) Page 5 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 16 23 15 1922+155 17 14 12 52.3 481.4 -2.2 -42.4 -17 144 No stop 16 24 15 --- 17 15 12 52.5 481.7 -2.2 -42.3 43 146 16 23 19 16 24 15 W51_E8_H2O 17 15 12 51.8 483.3 -2.2 -41.1 -17 146 No stop 16 25 15 --- 17 16 12 51.9 483.6 -2.1 -40.9 43 148 16 24 19 16 25 15 1922+155 17 16 12 52.7 482.0 -2.2 -42.1 -17 148 No stop 16 26 15 --- 17 17 12 52.8 482.3 -2.1 -41.9 43 150 16 25 19 16 29 45 2200+420 17 20 43 38.5 423.1 -4.7 -66.7 -37 150 16 29 45 16 39 45 --- 17 30 44 40.3 424.0 -4.5 -67.8 563 169 16 29 49 16 43 45 W51_E8_H2O 17 34 45 54.8 489.4 -1.8 -37.4 -33 169 16 43 45 16 44 45 --- 17 35 45 54.9 489.7 -1.8 -37.2 27 171 16 43 49 16 44 45 1922+155 17 35 45 55.7 488.1 -1.8 -38.5 -17 171 No stop 16 45 45 --- 17 36 45 55.9 488.5 -1.8 -38.2 43 173 16 44 49 16 46 30 W51_E8_H2O 17 37 30 55.2 490.3 -1.8 -36.8 28 173 16 46 30 16 47 30 --- 17 38 31 55.3 490.7 -1.8 -36.6 60 175 16 46 34 16 47 30 1922+155 17 38 31 56.1 489.1 -1.8 -37.9 -17 175 No stop 16 48 30 --- 17 39 31 56.3 489.4 -1.8 -37.6 43 177 16 47 34 16 48 30 W51_E8_H2O 17 39 31 55.5 491.0 -1.7 -36.4 -17 177 No stop 16 49 30 --- 17 40 31 55.6 491.3 -1.7 -36.2 43 179 16 48 34 16 49 30 1922+155 17 40 31 56.4 489.8 -1.7 -37.4 -17 179 No stop 16 50 30 --- 17 41 31 56.6 490.1 -1.7 -37.2 43 180 16 49 34 16 50 30 W51_E8_H2O 17 41 31 55.7 491.7 -1.7 -36.0 -17 180 No stop 16 51 30 --- 17 42 31 55.9 492.0 -1.7 -35.7 43 182 16 50 34 16 51 30 1922+155 17 42 31 56.7 490.5 -1.7 -37.0 -17 182 No stop 16 52 30 --- 17 43 31 56.8 490.8 -1.7 -36.8 43 184 16 51 34 16 52 30 W51_E8_H2O 17 43 31 56.0 492.4 -1.7 -35.5 -17 184 No stop 16 53 30 --- 17 44 32 56.2 492.7 -1.7 -35.3 43 186 16 52 34 16 53 30 1922+155 17 44 32 57.0 491.2 -1.7 -36.5 -17 186 No stop 16 54 30 --- 17 45 32 57.1 491.5 -1.7 -36.3 43 188 16 53 34 16 54 30 W51_E8_H2O 17 45 32 56.3 493.1 -1.6 -35.0 -17 188 No stop 16 55 30 --- 17 46 32 56.5 493.5 -1.6 -34.8 43 190 16 54 34 Schedule for DSS63 (Code Ro ) Page 6 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 16 55 30 1922+155 17 46 32 57.3 491.9 -1.6 -36.1 -17 190 No stop 16 56 30 --- 17 47 32 57.4 492.3 -1.6 -35.8 43 192 16 55 34 16 57 15 W51_E8_H2O 17 48 17 56.7 494.1 -1.6 -34.4 28 192 16 57 15 16 58 15 --- 17 49 17 56.8 494.5 -1.6 -34.1 60 194 16 57 19 16 58 15 1922+155 17 49 17 57.7 492.9 -1.6 -35.4 -17 194 No stop 16 59 15 --- 17 50 18 57.8 493.3 -1.6 -35.2 43 196 16 58 19 16 59 15 W51_E8_H2O 17 50 18 57.0 494.8 -1.6 -33.9 -17 196 No stop 17 00 15 --- 17 51 18 57.1 495.2 -1.6 -33.6 43 198 16 59 19 17 00 15 1922+155 17 51 18 57.9 493.6 -1.6 -34.9 -17 198 No stop 17 01 15 --- 17 52 18 58.1 494.0 -1.6 -34.7 43 200 17 00 19 17 01 15 W51_E8_H2O 17 52 18 57.2 495.6 -1.5 -33.4 -17 200 No stop 17 02 15 --- 17 53 18 57.4 496.0 -1.5 -33.1 43 202 17 01 19 17 02 15 1922+155 17 53 18 58.2 494.4 -1.5 -34.4 -17 202 No stop 17 03 15 --- 17 54 18 58.4 494.8 -1.5 -34.2 43 204 17 02 19 17 03 15 W51_E8_H2O 17 54 18 57.5 496.3 -1.5 -32.9 -17 204 No stop 17 04 15 --- 17 55 18 57.6 496.7 -1.5 -32.6 43 205 17 03 19 17 04 15 1922+155 17 55 18 58.5 495.1 -1.5 -33.9 -17 205 No stop 17 05 15 --- 17 56 19 58.6 495.5 -1.5 -33.6 43 207 17 04 19 17 05 15 W51_E8_H2O 17 56 19 57.8 497.1 -1.5 -32.4 -17 207 No stop 17 06 15 --- 17 57 19 57.9 497.5 -1.5 -32.1 43 209 17 05 19 17 06 15 1922+155 17 57 19 58.8 495.9 -1.5 -33.4 -17 209 No stop 17 07 15 --- 17 58 19 58.9 496.3 -1.5 -33.1 43 211 17 06 19 17 08 00 W51_E8_H2O 17 59 04 58.1 498.2 -1.4 -31.6 28 211 17 08 00 17 09 00 --- 18 00 04 58.2 498.6 -1.4 -31.4 60 213 17 08 04 17 09 00 1922+155 18 00 04 59.1 497.0 -1.4 -32.6 -17 213 No stop 17 10 00 --- 18 01 04 59.2 497.4 -1.4 -32.4 43 215 17 09 04 17 10 00 W51_E8_H2O 18 01 04 58.4 498.9 -1.4 -31.1 -17 215 No stop 17 11 00 --- 18 02 04 58.5 499.3 -1.4 -30.8 43 217 17 10 04 17 11 00 1922+155 18 02 04 59.4 497.8 -1.4 -32.1 -17 217 No stop 17 12 00 --- 18 03 05 59.5 498.2 -1.4 -31.8 43 219 17 11 04 Schedule for DSS63 (Code Ro ) Page 7 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 17 12 00 W51_E8_H2O 18 03 05 58.6 499.7 -1.4 -30.5 -17 219 No stop 17 13 00 --- 18 04 05 58.7 500.1 -1.3 -30.3 43 221 17 12 04 17 13 00 1922+155 18 04 05 59.6 498.6 -1.4 -31.5 -17 221 No stop 17 14 00 --- 18 05 05 59.8 499.0 -1.3 -31.2 43 223 17 13 04 17 14 00 W51_E8_H2O 18 05 05 58.9 500.6 -1.3 -30.0 -17 223 No stop 17 15 00 --- 18 06 05 59.0 501.0 -1.3 -29.7 43 225 17 14 04 17 15 00 1922+155 18 06 05 59.9 499.4 -1.3 -31.0 -17 225 No stop 17 16 00 --- 18 07 05 60.0 499.8 -1.3 -30.7 43 227 17 15 04 17 16 00 W51_E8_H2O 18 07 05 59.1 501.4 -1.3 -29.4 -17 227 No stop 17 17 00 --- 18 08 05 59.2 501.8 -1.3 -29.1 43 228 17 16 04 17 17 00 1922+155 18 08 05 60.1 500.2 -1.3 -30.4 -17 228 No stop 17 18 00 --- 18 09 06 60.2 500.7 -1.3 -30.1 43 230 17 17 04 17 21 30 2200+420 18 12 36 47.5 427.7 -3.8 -72.3 -92 230 17 21 30 17 31 30 --- 18 22 38 49.3 428.5 -3.7 -73.4 508 250 17 21 34 17 36 30 1922+155 18 27 39 62.3 508.9 -1.0 -24.1 -33 250 17 36 30 17 37 30 --- 18 28 39 62.4 509.4 -0.9 -23.7 27 252 17 36 34 17 38 15 W51_E8_H2O 18 29 24 61.5 511.2 -0.9 -22.3 28 252 17 38 15 17 39 15 --- 18 30 24 61.6 511.7 -0.9 -21.9 60 253 17 38 19 17 39 15 1922+155 18 30 24 62.6 510.3 -0.9 -23.1 -16 253 No stop 17 40 15 --- 18 31 24 62.6 510.7 -0.9 -22.7 44 255 17 39 19 17 40 15 W51_E8_H2O 18 31 24 61.6 512.1 -0.9 -21.6 -16 255 No stop 17 41 15 --- 18 32 24 61.7 512.6 -0.9 -21.2 44 257 17 40 19 17 41 15 1922+155 18 32 24 62.7 511.2 -0.9 -22.4 -16 257 No stop 17 42 15 --- 18 33 25 62.8 511.7 -0.9 -22.0 44 259 17 41 19 17 42 15 W51_E8_H2O 18 33 25 61.8 513.1 -0.9 -20.9 -16 259 No stop 17 43 15 --- 18 34 25 61.9 513.6 -0.8 -20.5 44 261 17 42 19 17 43 15 1922+155 18 34 25 62.9 512.2 -0.8 -21.6 -16 261 No stop 17 44 15 --- 18 35 25 63.0 512.7 -0.8 -21.3 44 263 17 43 19 17 44 15 W51_E8_H2O 18 35 25 62.0 514.0 -0.8 -20.1 -16 263 No stop 17 45 15 --- 18 36 25 62.1 514.5 -0.8 -19.8 44 265 17 44 19 Schedule for DSS63 (Code Ro ) Page 8 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 17 45 15 1922+155 18 36 25 63.1 513.2 -0.8 -20.9 -16 265 No stop 17 46 15 --- 18 37 25 63.2 513.7 -0.8 -20.5 44 267 17 45 19 17 46 15 W51_E8_H2O 18 37 25 62.2 515.0 -0.8 -19.4 -16 267 No stop 17 47 15 --- 18 38 25 62.2 515.5 -0.8 -19.0 44 269 17 46 19 17 47 15 1922+155 18 38 25 63.3 514.2 -0.8 -20.1 -16 269 No stop 17 48 15 --- 18 39 26 63.3 514.7 -0.8 -19.7 44 271 17 47 19 17 49 00 W51_E8_H2O 18 40 11 62.4 516.4 -0.7 -18.4 29 271 17 49 00 17 50 00 --- 18 41 11 62.4 516.9 -0.7 -18.0 60 273 17 49 04 17 50 00 1922+155 18 41 11 63.5 515.6 -0.7 -19.1 -16 273 No stop 17 51 00 --- 18 42 11 63.6 516.1 -0.7 -18.7 44 275 17 50 04 17 51 00 W51_E8_H2O 18 42 11 62.5 517.4 -0.7 -17.6 -16 275 No stop 17 52 00 --- 18 43 11 62.6 517.9 -0.7 -17.2 44 276 17 51 04 17 52 00 1922+155 18 43 11 63.6 516.6 -0.7 -18.3 -16 276 No stop 17 53 00 --- 18 44 11 63.7 517.1 -0.7 -17.9 44 278 17 52 04 17 53 00 W51_E8_H2O 18 44 11 62.7 518.4 -0.7 -16.8 -16 278 No stop 17 54 00 --- 18 45 12 62.7 518.9 -0.7 -16.5 44 280 17 53 04 17 54 00 1922+155 18 45 12 63.8 517.7 -0.7 -17.5 -15 280 No stop 17 55 00 --- 18 46 12 63.9 518.2 -0.7 -17.1 45 282 17 54 04 17 55 00 W51_E8_H2O 18 46 12 62.8 519.4 -0.6 -16.1 -16 282 No stop 17 56 00 --- 18 47 12 62.9 519.9 -0.6 -15.7 44 284 17 55 04 17 56 00 1922+155 18 47 12 63.9 518.7 -0.6 -16.7 -15 284 No stop 17 57 00 --- 18 48 12 64.0 519.2 -0.6 -16.3 45 286 17 56 04 17 57 00 W51_E8_H2O 18 48 12 62.9 520.4 -0.6 -15.3 -16 286 No stop 17 58 00 --- 18 49 12 63.0 520.9 -0.6 -14.9 44 288 17 57 04 17 58 00 1922+155 18 49 12 64.1 519.8 -0.6 -15.9 -15 288 No stop 17 59 00 --- 18 50 12 64.1 520.3 -0.6 -15.5 45 290 17 58 04 17 59 45 W51_E8_H2O 18 50 57 63.1 521.8 -0.6 -14.2 29 290 17 59 45 18 00 45 --- 18 51 58 63.2 522.4 -0.5 -13.8 60 292 17 59 49 18 00 45 1922+155 18 51 58 64.2 521.2 -0.6 -14.7 -15 292 No stop 18 01 45 --- 18 52 58 64.3 521.8 -0.5 -14.3 45 294 18 00 49 Schedule for DSS63 (Code Ro ) Page 9 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 18 01 45 W51_E8_H2O 18 52 58 63.2 522.9 -0.5 -13.4 -15 294 No stop 18 02 45 --- 18 53 58 63.3 523.4 -0.5 -13.0 45 296 18 01 49 18 02 45 1922+155 18 53 58 64.4 522.3 -0.5 -13.9 -15 296 No stop 18 03 45 --- 18 54 58 64.4 522.8 -0.5 -13.5 45 298 18 02 49 18 03 45 W51_E8_H2O 18 54 58 63.3 523.9 -0.5 -12.6 -15 298 No stop 18 04 45 --- 18 55 58 63.4 524.5 -0.5 -12.2 45 300 18 03 49 18 04 45 1922+155 18 55 58 64.5 523.4 -0.5 -13.1 -15 300 No stop 18 05 45 --- 18 56 58 64.5 523.9 -0.5 -12.6 45 301 18 04 49 18 05 45 W51_E8_H2O 18 56 58 63.4 525.0 -0.5 -11.7 -15 301 No stop 18 06 45 --- 18 57 59 63.5 525.5 -0.4 -11.3 45 303 18 05 49 18 06 45 1922+155 18 57 59 64.6 524.5 -0.5 -12.2 -15 303 No stop 18 07 45 --- 18 58 59 64.6 525.0 -0.4 -11.8 45 305 18 06 49 18 07 45 W51_E8_H2O 18 58 59 63.5 526.1 -0.4 -10.9 -15 305 No stop 18 08 45 --- 18 59 59 63.6 526.6 -0.4 -10.5 45 307 18 07 49 18 08 45 1922+155 18 59 59 64.7 525.6 -0.4 -11.3 -15 307 No stop 18 09 45 --- 19 00 59 64.7 526.1 -0.4 -10.9 45 309 18 08 49 18 10 30 W51_E8_H2O 19 01 44 63.6 527.5 -0.4 -9.8 30 309 18 10 30 18 11 30 --- 19 02 44 63.7 528.1 -0.4 -9.3 60 311 18 10 34 18 11 30 1922+155 19 02 44 64.8 527.1 -0.4 -10.2 -15 311 No stop 18 12 30 --- 19 03 45 64.8 527.7 -0.4 -9.7 45 313 18 11 34 18 12 30 W51_E8_H2O 19 03 45 63.7 528.6 -0.3 -8.9 -15 313 No stop 18 13 30 --- 19 04 45 63.8 529.2 -0.3 -8.5 45 315 18 12 34 18 13 30 1922+155 19 04 45 64.9 528.2 -0.3 -9.3 -15 315 No stop 18 14 30 --- 19 05 45 64.9 528.8 -0.3 -8.8 45 317 18 13 34 18 14 30 W51_E8_H2O 19 05 45 63.8 529.7 -0.3 -8.1 -15 317 No stop 18 15 30 --- 19 06 45 63.8 530.2 -0.3 -7.7 45 319 18 14 34 18 15 30 1922+155 19 06 45 65.0 529.4 -0.3 -8.4 -15 319 No stop 18 16 30 --- 19 07 45 65.0 529.9 -0.3 -7.9 45 321 18 15 34 18 16 30 W51_E8_H2O 19 07 45 63.9 530.8 -0.3 -7.2 -15 321 No stop 18 17 30 --- 19 08 45 63.9 531.3 -0.3 -6.8 45 323 18 16 34 Schedule for DSS63 (Code Ro ) Page 10 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 18 17 30 1922+155 19 08 45 65.0 530.5 -0.3 -7.5 -15 323 No stop 18 18 30 --- 19 09 46 65.1 531.1 -0.3 -7.1 45 324 18 17 34 18 18 30 W51_E8_H2O 19 09 46 63.9 531.9 -0.2 -6.4 -15 324 No stop 18 19 30 --- 19 10 46 63.9 532.4 -0.2 -5.9 45 326 18 18 34 18 19 30 1922+155 19 10 46 65.1 531.6 -0.2 -6.6 -15 326 No stop 18 20 30 --- 19 11 46 65.1 532.2 -0.2 -6.2 45 328 18 19 34 18 21 30 W51_E8_H2O 19 12 46 64.0 533.5 -0.2 -5.1 45 328 18 21 30 18 22 30 --- 19 13 46 64.0 534.1 -0.2 -4.6 60 330 18 21 34 18 22 30 1922+155 19 13 46 65.2 533.3 -0.2 -5.3 -15 330 No stop 18 23 30 --- 19 14 46 65.2 533.9 -0.2 -4.8 45 332 18 22 34 18 23 30 W51_E8_H2O 19 14 46 64.0 534.6 -0.2 -4.2 -15 332 No stop 18 24 30 --- 19 15 47 64.0 535.2 -0.1 -3.8 45 334 18 23 34 18 24 30 1922+155 19 15 47 65.2 534.5 -0.2 -4.4 -15 334 No stop 18 25 30 --- 19 16 47 65.2 535.1 -0.1 -3.9 45 336 18 24 34 18 25 30 W51_E8_H2O 19 16 47 64.1 535.7 -0.1 -3.3 -15 336 No stop 18 26 30 --- 19 17 47 64.1 536.3 -0.1 -2.9 45 338 18 25 34 18 26 30 1922+155 19 17 47 65.2 535.6 -0.1 -3.5 -15 338 No stop 18 27 30 --- 19 18 47 65.2 536.2 -0.1 -3.0 45 340 18 26 34 18 27 30 W51_E8_H2O 19 18 47 64.1 536.9 -0.1 -2.5 -15 340 No stop 18 28 30 --- 19 19 47 64.1 537.4 -0.1 -2.0 45 342 18 27 34 18 28 30 1922+155 19 19 47 65.3 536.8 -0.1 -2.5 -15 342 No stop 18 29 30 --- 19 20 47 65.3 537.4 -0.1 -2.1 45 344 18 28 34 18 29 30 W51_E8_H2O 19 20 47 64.1 538.0 -0.1 -1.6 -15 344 No stop 18 30 30 --- 19 21 48 64.1 538.5 -0.0 -1.2 45 346 18 29 34 18 34 00 2200+420 19 25 18 60.6 433.1 -2.6 -80.2 -222 346 18 34 00 18 44 00 --- 19 35 20 62.4 433.7 -2.5 -81.3 378 365 18 34 04 18 51 00 1922+155 19 42 21 65.0 549.7 0.3 7.7 -56 365 18 51 00 18 52 00 --- 19 43 21 65.0 550.3 0.3 8.1 4 367 18 51 04 18 52 00 W51_E8_H2O 19 43 21 63.8 550.4 0.3 8.2 -15 367 No stop 18 53 00 --- 19 44 21 63.8 550.9 0.3 8.6 45 369 18 52 04 Schedule for DSS63 (Code Ro ) Page 11 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 18 53 00 1922+155 19 44 21 64.9 550.8 0.3 8.5 -15 369 No stop 18 54 00 --- 19 45 21 64.9 551.4 0.3 9.0 45 371 18 53 04 18 54 00 W51_E8_H2O 19 45 21 63.7 551.5 0.3 9.0 -15 371 No stop 18 55 00 --- 19 46 22 63.7 552.0 0.4 9.4 45 372 18 54 04 18 55 00 1922+155 19 46 22 64.9 552.0 0.3 9.4 -15 372 No stop 18 56 00 --- 19 47 22 64.8 552.5 0.4 9.9 45 374 18 55 04 18 56 00 W51_E8_H2O 19 47 22 63.6 552.6 0.4 9.8 -15 374 No stop 18 57 00 --- 19 48 22 63.6 553.1 0.4 10.3 45 376 18 56 04 18 57 00 1922+155 19 48 22 64.8 553.1 0.4 10.3 -15 376 No stop 18 58 00 --- 19 49 22 64.7 553.6 0.4 10.7 45 378 18 57 04 ---------- Space-ground water maser scans (K-band) ---------- 19 00 00 W51_E8_H2O 19 51 22 63.5 554.7 0.4 11.5 105 378 19 00 00 19 10 00 --- 20 01 24 62.9 559.9 0.6 15.5 600 397 19 00 04 19 11 00 W51_E8_H2O 20 02 24 62.8 560.4 0.6 15.9 49 397 19 11 00 19 20 00 --- 20 11 26 62.2 564.9 0.8 19.4 540 415 19 11 04 19 21 00 W51_E8_H2O 20 12 26 62.1 565.4 0.8 19.7 50 415 19 21 00 19 30 00 --- 20 21 27 61.3 569.7 0.9 23.0 540 432 19 21 04 19 31 00 W51_E8_H2O 20 22 27 61.2 570.2 1.0 23.3 50 432 19 31 00 19 40 00 --- 20 31 29 60.3 574.2 1.1 26.3 540 449 19 31 04 ---------- Ground-only K-band VLBI scans ---------- 19 42 00 W51_E8_H2O 20 33 29 60.1 575.1 1.2 26.9 109 449 19 42 00 19 43 00 --- 20 34 29 59.9 575.5 1.2 27.2 60 451 19 42 04 19 43 00 1922+155 20 34 29 61.1 576.3 1.2 27.9 -15 451 No stop 19 44 00 --- 20 35 30 61.0 576.7 1.2 28.2 45 453 19 43 04 19 44 00 W51_E8_H2O 20 35 30 59.8 576.0 1.2 27.5 -15 453 No stop 19 45 00 --- 20 36 30 59.7 576.4 1.2 27.8 45 455 19 44 04 19 45 00 1922+155 20 36 30 60.9 577.1 1.2 28.5 -15 455 No stop 19 46 00 --- 20 37 30 60.7 577.6 1.2 28.8 45 457 19 45 04 19 46 00 W51_E8_H2O 20 37 30 59.6 576.8 1.2 28.1 -15 457 No stop 19 47 00 --- 20 38 30 59.5 577.3 1.2 28.4 45 459 19 46 04 Schedule for DSS63 (Code Ro ) Page 12 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 19 47 00 1922+155 20 38 30 60.6 578.0 1.2 29.1 -15 459 No stop 19 48 00 --- 20 39 30 60.5 578.4 1.2 29.4 45 461 19 47 04 19 48 00 W51_E8_H2O 20 39 30 59.4 577.7 1.3 28.7 -15 461 No stop 19 49 00 --- 20 40 30 59.3 578.1 1.3 29.0 45 463 19 48 04 ---------- Space-ground K-band fringe finder scan ---------- 19 50 00 1928+154 20 41 31 60.9 576.5 1.2 28.0 41 463 19 50 00 20 00 00 --- 20 51 32 59.7 580.7 1.3 31.0 600 482 19 50 04 ---------- Ground-only K-band VLBI scans ---------- 20 01 00 W51_E8_H2O 20 52 32 57.8 582.9 1.5 32.4 42 482 20 01 00 20 02 00 --- 20 53 33 57.6 583.3 1.5 32.6 60 484 20 01 04 20 02 00 1922+155 20 53 33 58.7 584.1 1.5 33.4 -15 484 No stop 20 03 00 --- 20 54 33 58.6 584.5 1.5 33.7 45 486 20 02 04 20 03 00 W51_E8_H2O 20 54 33 57.5 583.6 1.5 32.9 -15 486 No stop 20 04 00 --- 20 55 33 57.4 584.0 1.5 33.1 45 488 20 03 04 20 04 00 1922+155 20 55 33 58.5 584.9 1.5 33.9 -15 488 No stop 20 05 00 --- 20 56 33 58.3 585.3 1.5 34.2 45 490 20 04 04 20 05 00 W51_E8_H2O 20 56 33 57.2 584.4 1.5 33.4 -15 490 No stop 20 06 00 --- 20 57 33 57.1 584.8 1.6 33.6 45 492 20 05 04 20 06 00 1922+155 20 57 33 58.2 585.7 1.5 34.4 -15 492 No stop 20 07 00 --- 20 58 33 58.1 586.0 1.6 34.7 45 493 20 06 04 20 07 00 W51_E8_H2O 20 58 33 57.0 585.1 1.6 33.9 -15 493 No stop 20 08 00 --- 20 59 34 56.8 585.5 1.6 34.1 45 495 20 07 04 20 11 30 2200+420 21 03 04 78.5 435.4 -1.0 -94.6 -404 495 20 11 30 20 21 30 --- 21 13 06 80.4 434.3 -0.8 -97.3 196 515 20 11 34 20 32 15 W51_E8_H2O 21 23 53 53.3 593.8 2.0 39.4 -3 515 20 32 15 20 33 15 --- 21 24 53 53.2 594.1 2.0 39.5 57 516 20 32 19 20 33 15 1922+155 21 24 53 54.2 595.0 2.0 40.4 -15 516 No stop 20 34 15 --- 21 25 53 54.0 595.4 2.0 40.6 45 518 20 33 19 20 34 15 W51_E8_H2O 21 25 53 53.0 594.4 2.0 39.7 -15 518 No stop 20 35 15 --- 21 26 53 52.8 594.7 2.0 39.9 45 520 20 34 19 Schedule for DSS63 (Code Ro ) Page 13 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 20 35 15 1922+155 21 26 53 53.9 595.7 2.0 40.8 -15 520 No stop 20 36 15 --- 21 27 53 53.7 596.0 2.0 41.0 45 522 20 35 19 20 36 15 W51_E8_H2O 21 27 53 52.7 595.0 2.1 40.1 -15 522 No stop 20 37 15 --- 21 28 53 52.5 595.3 2.1 40.3 45 524 20 36 19 20 37 15 1922+155 21 28 53 53.6 596.3 2.1 41.1 -15 524 No stop 20 38 15 --- 21 29 54 53.4 596.6 2.1 41.3 45 526 20 37 19 20 39 00 W51_E8_H2O 21 30 39 52.3 595.8 2.1 40.6 30 526 20 39 00 20 40 00 --- 21 31 39 52.1 596.1 2.1 40.8 60 528 20 39 04 20 40 00 1922+155 21 31 39 53.1 597.1 2.1 41.6 -15 528 No stop 20 41 00 --- 21 32 39 53.0 597.4 2.1 41.8 45 530 20 40 04 20 41 00 W51_E8_H2O 21 32 39 51.9 596.4 2.1 40.9 -15 530 No stop 20 42 00 --- 21 33 39 51.8 596.7 2.2 41.1 45 532 20 41 04 20 42 00 1922+155 21 33 39 52.8 597.7 2.1 42.0 -15 532 No stop 20 43 00 --- 21 34 39 52.6 598.0 2.2 42.1 45 534 20 42 04 20 43 00 W51_E8_H2O 21 34 39 51.6 597.0 2.2 41.3 -15 534 No stop 20 44 00 --- 21 35 39 51.5 597.3 2.2 41.4 45 536 20 43 04 20 44 00 1922+155 21 35 39 52.5 598.3 2.2 42.3 -15 536 No stop 20 45 00 --- 21 36 40 52.3 598.6 2.2 42.5 45 538 20 44 04 20 45 00 W51_E8_H2O 21 36 40 51.3 597.6 2.2 41.6 -15 538 No stop 20 46 00 --- 21 37 40 51.1 597.9 2.2 41.8 45 540 20 45 04 20 46 00 1922+155 21 37 40 52.2 598.9 2.2 42.6 -15 540 No stop 20 47 00 --- 21 38 40 52.0 599.2 2.2 42.8 45 541 20 46 04 20 47 00 W51_E8_H2O 21 38 40 51.0 598.2 2.2 41.9 -15 541 No stop 20 48 00 --- 21 39 40 50.8 598.5 2.3 42.1 45 543 20 47 04 20 48 00 1922+155 21 39 40 51.8 599.5 2.2 42.9 -15 543 No stop 20 49 00 --- 21 40 40 51.7 599.8 2.3 43.1 45 545 20 48 04 20 49 45 W51_E8_H2O 21 41 25 50.5 599.0 2.3 42.4 30 545 20 49 45 20 50 45 --- 21 42 26 50.4 599.2 2.3 42.5 60 547 20 49 49 20 50 45 1922+155 21 42 26 51.4 600.2 2.3 43.4 -15 547 No stop 20 51 45 --- 21 43 26 51.2 600.5 2.3 43.5 45 549 20 50 49 Schedule for DSS63 (Code Ro ) Page 14 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 20 51 45 W51_E8_H2O 21 43 26 50.2 599.5 2.3 42.7 -15 549 No stop 20 52 45 --- 21 44 26 50.0 599.8 2.3 42.8 45 551 20 51 49 20 52 45 1922+155 21 44 26 51.0 600.8 2.3 43.7 -15 551 No stop 20 53 45 --- 21 45 26 50.9 601.1 2.3 43.8 45 553 20 52 49 20 53 45 W51_E8_H2O 21 45 26 49.9 600.1 2.3 43.0 -15 553 No stop 20 54 45 --- 21 46 26 49.7 600.3 2.4 43.1 45 555 20 53 49 20 54 45 1922+155 21 46 26 50.7 601.4 2.4 43.9 -15 555 No stop 20 55 45 --- 21 47 26 50.5 601.6 2.4 44.1 45 557 20 54 49 20 55 45 W51_E8_H2O 21 47 26 49.5 600.6 2.4 43.3 -15 557 No stop 20 56 45 --- 21 48 27 49.4 600.9 2.4 43.4 45 559 20 55 49 20 56 45 1922+155 21 48 27 50.4 601.9 2.4 44.2 -15 559 No stop 20 57 45 --- 21 49 27 50.2 602.2 2.4 44.4 45 561 20 56 49 20 57 45 W51_E8_H2O 21 49 27 49.2 601.2 2.4 43.5 -15 561 No stop 20 58 45 --- 21 50 27 49.0 601.4 2.4 43.7 45 563 20 57 49 20 58 45 1922+155 21 50 27 50.0 602.4 2.4 44.5 -15 563 No stop 20 59 45 --- 21 51 27 49.9 602.7 2.4 44.6 45 564 20 58 49 21 00 30 W51_E8_H2O 21 52 12 48.7 601.9 2.5 43.9 30 564 21 00 30 21 01 30 --- 21 53 12 48.6 602.2 2.5 44.1 60 566 21 00 34 21 01 30 1922+155 21 53 12 49.6 603.2 2.5 44.9 -15 566 No stop 21 02 30 --- 21 54 13 49.4 603.4 2.5 45.0 45 568 21 01 34 21 02 30 W51_E8_H2O 21 54 13 48.4 602.4 2.5 44.2 -15 568 No stop 21 03 30 --- 21 55 13 48.2 602.7 2.5 44.3 45 570 21 02 34 21 03 30 1922+155 21 55 13 49.2 603.7 2.5 45.1 -15 570 No stop 21 04 30 --- 21 56 13 49.1 604.0 2.5 45.3 45 572 21 03 34 21 04 30 W51_E8_H2O 21 56 13 48.1 602.9 2.5 44.5 -15 572 No stop 21 05 30 --- 21 57 13 47.9 603.2 2.5 44.6 45 574 21 04 34 21 05 30 1922+155 21 57 13 48.9 604.2 2.5 45.4 -15 574 No stop 21 06 30 --- 21 58 13 48.7 604.5 2.5 45.5 45 576 21 05 34 21 07 30 W51_E8_H2O 21 59 13 47.6 603.7 2.6 44.8 45 576 21 07 30 21 08 30 --- 22 00 13 47.4 604.0 2.6 45.0 60 578 21 07 34 Schedule for DSS63 (Code Ro ) Page 15 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 21 08 30 1922+155 22 00 13 48.4 605.0 2.6 45.8 -15 578 No stop 21 09 30 --- 22 01 14 48.2 605.2 2.6 45.9 45 580 21 08 34 21 09 30 W51_E8_H2O 22 01 14 47.2 604.2 2.6 45.1 -15 580 No stop 21 10 30 --- 22 02 14 47.0 604.5 2.6 45.2 45 582 21 09 34 21 10 30 1922+155 22 02 14 48.0 605.5 2.6 46.0 -15 582 No stop 21 11 30 --- 22 03 14 47.8 605.7 2.6 46.1 45 584 21 10 34 21 11 30 W51_E8_H2O 22 03 14 46.9 604.7 2.6 45.3 -15 584 No stop 21 12 30 --- 22 04 14 46.7 605.0 2.7 45.4 45 586 21 11 34 21 12 30 1922+155 22 04 14 47.7 606.0 2.6 46.2 -15 586 No stop 21 13 30 --- 22 05 14 47.5 606.2 2.7 46.4 45 588 21 12 34 21 13 30 W51_E8_H2O 22 05 14 46.5 605.2 2.7 45.6 -15 588 No stop 21 14 30 --- 22 06 14 46.4 605.5 2.7 45.7 45 589 21 13 34 21 14 30 1922+155 22 06 14 47.3 606.5 2.7 46.5 -15 589 No stop 21 15 30 --- 22 07 15 47.1 606.7 2.7 46.6 45 591 21 14 34 21 15 30 W51_E8_H2O 22 07 15 46.2 605.7 2.7 45.8 -15 591 No stop 21 16 30 --- 22 08 15 46.0 606.0 2.7 45.9 45 593 21 15 34 21 21 30 0316+413 22 13 16 34.0 421.5 -5.1 -63.4 -445 593 21 21 30 21 31 30 --- 22 23 17 35.7 422.5 -5.0 -64.5 155 612 21 21 34 21 42 30 1922+155 22 34 19 42.3 252.9 3.1 49.1 -29 612 21 42 30 21 43 30 --- 22 35 19 42.1 253.1 3.2 49.2 31 614 21 42 34 21 44 15 W51_E8_H2O 22 36 04 41.1 252.3 3.2 48.5 30 614 21 44 15 21 45 15 --- 22 37 05 40.9 252.5 3.2 48.6 60 616 21 44 19 21 45 15 1922+155 22 37 05 41.8 253.5 3.2 49.3 -15 616 No stop 21 46 15 --- 22 38 05 41.6 253.7 3.2 49.4 45 618 21 45 19 21 46 15 W51_E8_H2O 22 38 05 40.7 252.7 3.2 48.7 -15 618 No stop 21 47 15 --- 22 39 05 40.5 252.9 3.2 48.7 45 620 21 46 19 21 47 15 1922+155 22 39 05 41.4 253.9 3.2 49.4 -15 620 No stop 21 48 15 --- 22 40 05 41.3 254.1 3.2 49.5 45 622 21 47 19 21 48 15 W51_E8_H2O 22 40 05 40.3 253.1 3.3 48.8 -15 622 No stop 21 49 15 --- 22 41 05 40.1 253.3 3.3 48.9 45 624 21 48 19 Schedule for DSS63 (Code Ro ) Page 16 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 21 49 15 1922+155 22 41 05 41.1 254.3 3.3 49.6 -15 624 No stop 21 50 15 --- 22 42 05 40.9 254.5 3.3 49.6 45 626 21 49 19 21 50 15 W51_E8_H2O 22 42 05 40.0 253.5 3.3 48.9 -15 626 No stop 21 51 15 --- 22 43 06 39.8 253.7 3.3 49.0 45 628 21 50 19 21 51 15 1922+155 22 43 06 40.7 254.7 3.3 49.7 -15 628 No stop 21 52 15 --- 22 44 06 40.5 254.9 3.3 49.8 45 630 21 51 19 21 52 15 W51_E8_H2O 22 44 06 39.6 253.9 3.3 49.1 -15 630 No stop 21 53 15 --- 22 45 06 39.4 254.2 3.3 49.2 45 632 21 52 19 21 53 15 1922+155 22 45 06 40.3 255.1 3.3 49.8 -15 632 No stop 21 54 15 --- 22 46 06 40.2 255.3 3.3 49.9 45 634 21 53 19 21 55 00 W51_E8_H2O 22 46 51 39.1 254.5 3.4 49.3 31 634 21 55 00 21 56 00 --- 22 47 51 38.9 254.7 3.4 49.3 60 636 21 55 04 21 56 00 1922+155 22 47 51 39.8 255.7 3.4 50.0 -15 636 No stop 21 57 00 --- 22 48 51 39.6 255.9 3.4 50.1 45 637 21 56 04 21 57 00 W51_E8_H2O 22 48 51 38.7 254.9 3.4 49.4 -14 637 No stop 21 58 00 --- 22 49 52 38.5 255.1 3.4 49.5 46 639 21 57 04 21 58 00 1922+155 22 49 52 39.5 256.1 3.4 50.1 -15 639 No stop 21 59 00 --- 22 50 52 39.3 256.3 3.4 50.2 45 641 21 58 04 21 59 00 W51_E8_H2O 22 50 52 38.4 255.3 3.4 49.5 -14 641 No stop 22 00 00 --- 22 51 52 38.2 255.5 3.5 49.6 46 643 21 59 04 22 00 00 1922+155 22 51 52 39.1 256.5 3.4 50.3 -15 643 No stop 22 01 00 --- 22 52 52 38.9 256.7 3.5 50.3 45 645 22 00 04 22 01 00 W51_E8_H2O 22 52 52 38.0 255.7 3.5 49.6 -14 645 No stop 22 02 00 --- 22 53 52 37.8 255.9 3.5 49.7 46 647 22 01 04 22 02 00 1922+155 22 53 52 38.7 256.9 3.5 50.4 -15 647 No stop 22 03 00 --- 22 54 52 38.5 257.1 3.5 50.4 45 649 22 02 04 22 03 00 W51_E8_H2O 22 54 52 37.6 256.1 3.5 49.8 -14 649 No stop 22 04 00 --- 22 55 53 37.4 256.3 3.5 49.8 46 651 22 03 04 22 04 00 1922+155 22 55 53 38.3 257.3 3.5 50.5 -15 651 No stop 22 05 00 --- 22 56 53 38.2 257.5 3.5 50.5 45 653 22 04 04 Schedule for DSS63 (Code Ro ) Page 17 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 22 05 45 W51_E8_H2O 22 57 38 37.1 256.7 3.6 49.9 31 653 22 05 45 22 06 45 --- 22 58 38 36.9 256.9 3.6 50.0 60 655 22 05 49 22 06 45 1922+155 22 58 38 37.8 257.8 3.6 50.6 -15 655 No stop 22 07 45 --- 22 59 38 37.7 258.0 3.6 50.7 45 657 22 06 49 22 07 45 W51_E8_H2O 22 59 38 36.7 257.0 3.6 50.0 -14 657 No stop 22 08 45 --- 23 00 38 36.5 257.2 3.6 50.1 46 659 22 07 49 22 08 45 1922+155 23 00 38 37.5 258.2 3.6 50.7 -15 659 No stop 22 09 45 --- 23 01 39 37.3 258.4 3.6 50.8 45 660 22 08 49 22 09 45 W51_E8_H2O 23 01 39 36.4 257.4 3.6 50.1 -14 660 No stop 22 10 45 --- 23 02 39 36.2 257.6 3.6 50.2 46 662 22 09 49 22 10 45 1922+155 23 02 39 37.1 258.6 3.6 50.8 -15 662 No stop 22 11 45 --- 23 03 39 36.9 258.8 3.6 50.9 45 664 22 10 49 22 11 45 W51_E8_H2O 23 03 39 36.0 257.8 3.7 50.2 -14 664 No stop 22 12 45 --- 23 04 39 35.8 258.0 3.7 50.3 46 666 22 11 49 22 12 45 1922+155 23 04 39 36.7 259.0 3.7 50.9 -15 666 No stop 22 13 45 --- 23 05 39 36.5 259.1 3.7 51.0 45 668 22 12 49 22 13 45 W51_E8_H2O 23 05 39 35.6 258.2 3.7 50.3 -14 668 No stop 22 14 45 --- 23 06 39 35.4 258.4 3.7 50.4 46 670 22 13 49 22 14 45 1922+155 23 06 39 36.3 259.3 3.7 51.0 -15 670 No stop 22 15 45 --- 23 07 40 36.2 259.5 3.7 51.0 45 672 22 14 49 22 16 30 W51_E8_H2O 23 08 25 35.1 258.7 3.7 50.5 31 672 22 16 30 22 17 30 --- 23 09 25 34.9 258.9 3.7 50.5 60 674 22 16 34 22 17 30 1922+155 23 09 25 35.8 259.9 3.7 51.1 -14 674 No stop 22 18 30 --- 23 10 25 35.6 260.0 3.8 51.2 46 676 22 17 34 22 18 30 W51_E8_H2O 23 10 25 34.7 259.1 3.8 50.6 -14 676 No stop 22 19 30 --- 23 11 25 34.5 259.3 3.8 50.6 46 678 22 18 34 22 19 30 1922+155 23 11 25 35.4 260.2 3.8 51.2 -14 678 No stop 22 20 30 --- 23 12 25 35.3 260.4 3.8 51.2 46 680 22 19 34 22 20 30 W51_E8_H2O 23 12 25 34.4 259.5 3.8 50.6 -14 680 No stop 22 21 30 --- 23 13 25 34.2 259.7 3.8 50.7 46 682 22 20 34 Schedule for DSS63 (Code Ro ) Page 18 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 22 21 30 1922+155 23 13 25 35.1 260.6 3.8 51.3 -14 682 No stop 22 22 30 --- 23 14 26 34.9 260.8 3.8 51.3 46 684 22 21 34 22 22 30 W51_E8_H2O 23 14 26 34.0 259.8 3.8 50.7 -14 684 No stop 22 23 30 --- 23 15 26 33.8 260.0 3.8 50.8 46 685 22 22 34 22 23 30 1922+155 23 15 26 34.7 261.0 3.8 51.3 -14 685 No stop 22 24 30 --- 23 16 26 34.5 261.1 3.9 51.4 46 687 22 23 34 22 24 30 W51_E8_H2O 23 16 26 33.6 260.2 3.9 50.8 -14 687 No stop 22 25 30 --- 23 17 26 33.4 260.4 3.9 50.8 46 689 22 24 34 22 25 30 1922+155 23 17 26 34.3 261.3 3.9 51.4 -14 689 No stop 22 26 30 --- 23 18 26 34.1 261.5 3.9 51.5 46 691 22 25 34 22 27 15 W51_E8_H2O 23 19 11 33.1 260.7 3.9 50.9 31 691 22 27 15 22 28 15 --- 23 20 12 32.9 260.9 3.9 50.9 60 693 22 27 19 22 28 15 1922+155 23 20 12 33.8 261.8 3.9 51.5 -14 693 No stop 22 29 15 --- 23 21 12 33.6 262.0 3.9 51.5 46 695 22 28 19 22 29 15 W51_E8_H2O 23 21 12 32.7 261.1 3.9 51.0 -14 695 No stop 22 30 15 --- 23 22 12 32.5 261.3 4.0 51.0 46 697 22 29 19 22 30 15 1922+155 23 22 12 33.4 262.2 3.9 51.6 -14 697 No stop 22 31 15 --- 23 23 12 33.2 262.4 4.0 51.6 46 699 22 30 19 22 31 15 W51_E8_H2O 23 23 12 32.3 261.4 4.0 51.0 -14 699 No stop 22 32 15 --- 23 24 12 32.1 261.6 4.0 51.1 46 701 22 31 19 22 32 15 1922+155 23 24 12 33.0 262.5 4.0 51.6 -14 701 No stop 22 33 15 --- 23 25 12 32.9 262.7 4.0 51.7 46 703 22 32 19 22 33 15 W51_E8_H2O 23 25 12 31.9 261.8 4.0 51.1 -14 703 No stop 22 34 15 --- 23 26 13 31.8 262.0 4.0 51.1 46 705 22 33 19 ---------- Space-ground water maser scans (K-band) ---------- 22 35 00 W51_E8_H2O 23 26 58 31.6 262.1 4.0 51.2 35 705 22 35 00 22 45 00 --- 23 36 59 29.7 263.9 4.2 51.4 600 724 22 35 04 22 46 00 W51_E8_H2O 23 38 00 29.5 264.1 4.2 51.5 50 724 22 46 00 22 55 00 --- 23 47 01 27.8 265.6 4.4 51.6 540 741 22 46 04 Schedule for DSS63 (Code Ro ) Page 19 Maser imaging UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 8 Oct 2015 Day 281 --- 22 56 00 W51_E8_H2O 23 48 01 27.6 265.8 4.4 51.7 50 741 22 56 00 23 05 00 --- 23 57 03 25.9 267.3 4.5 51.8 540 758 22 56 04 23 06 00 W51_E8_H2O 23 58 03 25.7 267.5 4.6 51.8 50 758 23 06 00 23 15 00 --- 00 07 04 24.0 268.9 4.7 51.8 540 776 23 06 04 23 16 00 W51_E8_H2O 00 08 04 23.8 269.1 4.7 51.8 50 776 23 16 00 23 25 00 --- 00 17 06 22.1 270.6 4.9 51.8 540 793 23 16 04 ---------- Ground-only K-band VLBI scans ---------- 23 26 00 W51_E8_H2O 00 18 06 21.9 270.7 4.9 51.8 50 793 23 26 00 23 27 00 --- 00 19 06 21.7 270.9 4.9 51.8 60 795 23 26 04 23 27 00 1922+155 00 19 06 22.6 271.7 4.9 52.2 -14 795 No stop 23 28 00 --- 00 20 06 22.4 271.9 4.9 52.2 46 797 23 27 04 23 28 00 W51_E8_H2O 00 20 06 21.5 271.1 4.9 51.8 -14 797 No stop 23 29 00 --- 00 21 07 21.3 271.2 4.9 51.8 46 799 23 28 04 23 29 00 1922+155 00 21 07 22.2 272.1 4.9 52.2 -14 799 No stop 23 30 00 --- 00 22 07 22.0 272.2 4.9 52.2 46 801 23 29 04 23 30 00 W51_E8_H2O 00 22 07 21.2 271.4 5.0 51.8 -14 801 No stop 23 31 00 --- 00 23 07 21.0 271.5 5.0 51.8 46 803 23 30 04 23 31 00 1922+155 00 23 07 21.9 272.4 5.0 52.2 -14 803 No stop 23 32 00 --- 00 24 07 21.7 272.5 5.0 52.2 46 804 23 31 04 23 32 00 W51_E8_H2O 00 24 07 20.8 271.7 5.0 51.8 -14 804 No stop 23 33 00 --- 00 25 07 20.6 271.9 5.0 51.8 46 806 23 32 04 23 36 30 2200+420 00 28 38 62.9 286.1 2.4 81.7 30 806 23 36 30 23 41 30 --- 00 33 39 62.0 286.4 2.5 81.1 300 816 23 36 34 23 46 30 0316+413 00 38 39 59.7 434.3 -2.7 -78.4 -304 816 23 46 30 23 59 59 --- 00 52 12 62.1 435.3 -2.5 -79.8 505 842 23 46 34 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra1cm2.set Matching groups in ./ga037b_freq.dat: ro1cm LO from Harbison, e-mail 03/02/97 other values guesses Setup group: 3 Station: DSS63 Total bit rate: 256 Format: MKIV1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 21914.00 21914.00 21914.00 21914.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 22236.00 22236.00 22236.00 22236.00 BBC fr= 322.00 322.00 322.00 322.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 9 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 27.840860 0.00 85 16 41.77889 * 85 00 00.00000 84 54 39.41181 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * W51_E8_H2O 19 21 26.266096 * 19 23 43.934270 19 24 27.430383 0.00 14 24 34.98638 * 14 30 28.34980 14 32 42.15158 0.00 ./ga037b_sources.radioastron H2O maser; position of the reference maser feature from 2010ApJ720...1055Sato, R * 1928+154 19 28 36.092068 * 19 30 52.766993 19 31 36.000232 0.00 J1930+1532 15 26 11.96581 * 15 32 34.42720 15 34 57.53879 0.00 ./ga037b_sources.radioastron clock offset calibrator for W51_E8, rfc_2013d Petrov, 2013, unpublished 139 obse * 1922+155 19 22 23.129975 * 19 24 39.455869 19 25 22.540606 0.00 J1924+1540 15 34 46.75053 * 15 40 43.94156 15 42 59.24528 0.00 ./ga037b_sources.radioastron phase reference source for W51, rfc_2015c Petrov * 1923+210 19 23 49.792392 * 19 25 59.605355 19 26 40.674741 0.00 J1925+2106 21 00 23.30483 * 21 06 26.16191 21 08 44.60060 0.00 ./ga037b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 35453 observations, RA-AO3-04 * 0316+413 03 16 29.567283 * 03 19 48.160114 03 20 52.657952 0.00 J0319+4130 41 19 51.91847 * 41 30 42.10559 41 33 57.01230 0.00 3C84 ./ga037b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 15448 observations, RA-AO3-04, RA-AO2-1 * 2200+420 22 00 39.362504 * 22 02 43.291371 22 03 24.019410 0.00 J2202+4216 42 02 08.59073 * 42 16 39.97987 42 21 34.82854 0.00 BLLAC ./ga037b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 59417 observations, RA-AO3-04, RA-AO2-1 SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline FAKERA ra1cm2.set 10 2.183 0.000 W51_E8_H2O ra1cm2.set 1 2 3 4 5 6 7 8 9 3.983 78.251 1928+154 ra1cm2.set 1 2 3 5 6 8 9 0.167 3.500 1922+155 ra1cm2.set 1 2 3 4 5 6 7 8 9 2.033 32.324 1923+210 ra1cm2.set 1 2 3 4 5 6 7 8 9 0.167 6.000 0316+413 ra1cm2.set 1 2 3 5 6 8 9 0.391 4.967 2200+420 ra1cm2.set 1 2 3 4 5 6 7 8 9 0.750 18.461 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) FAKERA 91.0 W51_E8_H2O 98.4 1928+154 100.2 1922+155 98.7 1923+210 99.3 0316+413 132.0 2200+420 127.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg