COVER INFORMATION Station: YEBES40M (Code Ys ) Experiment: new UCD -6cm Exp. Code: EG126C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Jose C. Guirado Address: Dpto. Astronomia, Univ. Valencia Dr. Moliner 50 E-46100 Burjassot Valencia, Spain Phone: +34 963543073 EMAIL: guirado@uv.es Fax: +34 963543084 Phone during observation: +34 963543073, +34629509130 Observing mode: Phase-referencing at 6cm (2048 Mb/s) Notes: Dual Pol Schedule for YEBES40M (Code Ys ) Page 2 new UCD -6cm 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 ---------------------------------------------------------------------------------------- --- Wed 28 Feb 2024 Day 59 --- Next scan frequencies: 4632.00 4632.00 4632.00 4632.00 4696.00 4696.00 4696.00 4696.00 4760.00 4760.00 4760.00 4760.00 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 5080.00 5080.00 5080.00 5080.00 Next BBC frequencies: 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 22 30 00 3C273 08 50 38 27.3 113.0 -3.7 -44.4 0 0 22 30 00 22 36 00 --- 08 56 39 28.3 114.2 -3.6 -43.9 360 185 22 30 01 22 38 00 J1120-1243 08 58 39 27.2 140.2 -2.4 -29.9 79 185 22 38 00 22 42 00 --- 09 02 40 27.7 141.2 -2.3 -29.2 240 309 22 38 01 22 42 00 2MASSJ1119 09 02 40 28.7 140.7 -2.3 -29.4 -16 309 No stop 22 46 00 --- 09 06 40 29.2 141.7 -2.2 -28.7 224 433 22 42 01 22 46 30 J1120-1243 09 07 10 28.2 142.3 -2.2 -28.5 14 433 22 46 30 22 48 30 --- 09 09 11 28.5 142.8 -2.2 -28.1 120 495 22 46 31 22 48 30 2MASSJ1119 09 09 11 29.5 142.3 -2.2 -28.3 -16 495 No stop 22 52 30 --- 09 13 11 30.0 143.3 -2.1 -27.6 224 618 22 48 31 22 53 00 J1120-1243 09 13 42 29.0 143.9 -2.1 -27.4 14 618 22 53 00 22 54 30 --- 09 15 12 29.1 144.3 -2.1 -27.1 90 665 22 53 01 22 54 30 2MASSJ1119 09 15 12 30.2 143.8 -2.1 -27.3 -16 665 No stop 22 58 30 --- 09 19 12 30.6 144.9 -2.0 -26.5 224 788 22 54 31 22 59 00 J1120-1243 09 19 43 29.6 145.4 -2.0 -26.3 14 788 22 59 00 23 01 00 --- 09 21 43 29.8 145.9 -2.0 -25.9 120 850 22 59 01 23 01 00 2MASSJ1119 09 21 43 30.9 145.5 -2.0 -26.1 -16 850 No stop 23 05 00 --- 09 25 44 31.3 146.5 -1.9 -25.4 224 974 23 01 01 23 05 30 J1120-1243 09 26 14 30.3 147.0 -1.9 -25.1 14 974 23 05 30 23 07 00 --- 09 27 44 30.5 147.4 -1.9 -24.8 90 1020 23 05 31 23 07 00 2MASSJ1119 09 27 44 31.5 147.1 -1.9 -25.0 -16 1020 No stop 23 11 00 --- 09 31 45 31.9 148.1 -1.8 -24.2 224 1144 23 07 01 Schedule for YEBES40M (Code Ys ) Page 3 new UCD -6cm 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 ---------------------------------------------------------------------------------------- --- Wed 28 Feb 2024 Day 59 --- 23 11 30 J1120-1243 09 32 15 30.9 148.6 -1.8 -24.0 14 1144 23 11 30 23 13 30 --- 09 34 15 31.1 149.1 -1.8 -23.6 120 1206 23 11 31 23 13 30 2MASSJ1119 09 34 15 32.2 148.8 -1.8 -23.7 -16 1206 No stop 23 17 30 --- 09 38 16 32.6 149.8 -1.7 -23.0 224 1329 23 13 31 23 18 00 J1120-1243 09 38 46 31.6 150.3 -1.7 -22.7 14 1329 23 18 00 23 19 30 --- 09 40 16 31.7 150.7 -1.7 -22.4 90 1376 23 18 01 23 19 30 2MASSJ1119 09 40 16 32.8 150.4 -1.7 -22.6 -16 1376 No stop 23 23 30 --- 09 44 17 33.1 151.5 -1.6 -21.8 224 1499 23 19 31 23 24 00 J1120-1243 09 44 47 32.1 151.9 -1.6 -21.6 14 1499 23 24 00 23 26 00 --- 09 46 47 32.3 152.4 -1.6 -21.2 120 1561 23 24 01 23 26 00 2MASSJ1119 09 46 47 33.4 152.1 -1.6 -21.3 -16 1561 No stop 23 30 00 --- 09 50 48 33.7 153.2 -1.5 -20.5 224 1685 23 26 01 23 30 30 J1120-1243 09 51 18 32.7 153.6 -1.5 -20.2 14 1685 23 30 30 23 32 00 --- 09 52 48 32.8 154.1 -1.5 -19.9 90 1731 23 30 31 23 32 00 2MASSJ1119 09 52 48 33.9 153.8 -1.5 -20.1 -16 1731 No stop 23 36 00 --- 09 56 49 34.2 154.9 -1.4 -19.2 224 1855 23 32 01 23 36 30 J1120-1243 09 57 19 33.2 155.3 -1.4 -19.0 14 1855 23 36 30 23 38 30 --- 09 59 19 33.3 155.8 -1.4 -18.6 120 1917 23 36 31 23 38 30 2MASSJ1119 09 59 19 34.4 155.6 -1.4 -18.7 -16 1917 No stop 23 42 30 --- 10 03 20 34.7 156.7 -1.3 -17.9 224 2040 23 38 31 23 43 00 J1120-1243 10 03 50 33.7 157.1 -1.3 -17.7 14 2040 23 43 00 23 44 30 --- 10 05 20 33.8 157.5 -1.3 -17.3 90 2087 23 43 01 23 44 30 2MASSJ1119 10 05 20 34.9 157.3 -1.3 -17.4 -16 2087 No stop 23 48 30 --- 10 09 21 35.2 158.5 -1.2 -16.6 224 2211 23 44 31 23 49 00 J1120-1243 10 09 51 34.1 158.8 -1.2 -16.4 14 2211 23 49 00 23 51 00 --- 10 11 51 34.2 159.4 -1.2 -16.0 120 2272 23 49 01 23 51 00 2MASSJ1119 10 11 51 35.3 159.2 -1.1 -16.0 -16 2272 No stop 23 55 00 --- 10 15 52 35.6 160.3 -1.1 -15.1 224 2396 23 51 01 23 55 30 J1120-1243 10 16 22 34.5 160.6 -1.1 -15.0 14 2396 23 55 30 23 57 00 --- 10 17 52 34.6 161.1 -1.1 -14.6 90 2442 23 55 31 Schedule for YEBES40M (Code Ys ) Page 4 new UCD -6cm 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 ---------------------------------------------------------------------------------------- --- Start: Wed 28 Feb 2024 Day 59 -- Stop: Thu 29 Feb 2024 Day 60 --- 23 57 00 2MASSJ1119 10 17 52 35.7 160.9 -1.0 -14.7 -16 2442 No stop 00 01 00 --- 10 21 53 36.0 162.1 -1.0 -13.8 224 2566 23 57 01 00 01 30 J1120-1243 10 22 23 34.9 162.4 -1.0 -13.7 14 2566 00 01 30 00 03 30 --- 10 24 23 35.0 163.0 -1.0 -13.2 120 2628 00 01 31 00 03 30 2MASSJ1119 10 24 23 36.1 162.8 -0.9 -13.2 -16 2628 No stop 00 07 30 --- 10 28 24 36.3 164.0 -0.9 -12.3 224 2752 00 03 31 00 08 00 J1120-1243 10 28 54 35.2 164.3 -0.9 -12.2 14 2752 00 08 00 00 09 30 --- 10 30 24 35.3 164.7 -0.9 -11.9 90 2798 00 08 01 00 09 30 2MASSJ1119 10 30 24 36.4 164.6 -0.8 -11.9 -16 2798 No stop 00 13 30 --- 10 34 25 36.6 165.8 -0.8 -11.0 224 2922 00 09 31 00 14 00 J1120-1243 10 34 55 35.5 166.0 -0.8 -10.9 14 2922 00 14 00 00 16 00 --- 10 36 55 35.6 166.6 -0.7 -10.4 120 2983 00 14 01 00 16 00 2MASSJ1119 10 36 55 36.7 166.6 -0.7 -10.4 -16 2983 No stop 00 20 00 --- 10 40 56 36.9 167.8 -0.7 -9.5 224 3107 00 16 01 00 20 30 J1120-1243 10 41 26 35.8 167.9 -0.7 -9.4 14 3107 00 20 30 00 22 00 --- 10 42 56 35.9 168.4 -0.6 -9.0 90 3153 00 20 31 00 22 00 2MASSJ1119 10 42 56 37.0 168.4 -0.6 -9.0 -16 3153 No stop 00 26 00 --- 10 46 57 37.1 169.6 -0.6 -8.1 224 3277 00 22 01 00 26 30 J1120-1243 10 47 27 36.0 169.7 -0.6 -8.0 14 3277 00 26 30 00 28 30 --- 10 49 27 36.1 170.3 -0.5 -7.5 120 3339 00 26 31 00 28 30 2MASSJ1119 10 49 27 37.2 170.4 -0.5 -7.5 -16 3339 No stop 00 32 30 --- 10 53 28 37.3 171.6 -0.5 -6.5 224 3463 00 28 31 00 33 00 J1120-1243 10 53 58 36.2 171.7 -0.5 -6.5 14 3463 00 33 00 00 34 30 --- 10 55 28 36.3 172.1 -0.4 -6.1 90 3509 00 33 01 00 34 30 2MASSJ1119 10 55 28 37.4 172.2 -0.4 -6.1 -16 3509 No stop 00 38 30 --- 10 59 29 37.5 173.4 -0.4 -5.1 224 3633 00 34 31 00 39 00 J1120-1243 10 59 59 36.4 173.5 -0.4 -5.1 14 3633 00 39 00 00 41 00 --- 11 01 59 36.4 174.1 -0.3 -4.6 120 3695 00 39 01 00 41 00 2MASSJ1119 11 01 59 37.5 174.2 -0.3 -4.5 -16 3695 No stop 00 45 00 --- 11 06 00 37.6 175.4 -0.2 -3.5 224 3818 00 41 01 Schedule for YEBES40M (Code Ys ) Page 5 new UCD -6cm 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 29 Feb 2024 Day 60 --- 00 45 30 J1120-1243 11 06 30 36.5 175.5 -0.2 -3.5 14 3818 00 45 30 00 47 00 --- 11 08 00 36.5 175.9 -0.2 -3.2 90 3865 00 45 31 00 47 00 2MASSJ1119 11 08 00 37.6 176.1 -0.2 -3.1 -16 3865 No stop 00 51 00 --- 11 12 01 37.7 177.3 -0.1 -2.1 224 3988 00 47 01 00 51 30 J1120-1243 11 12 31 36.6 177.3 -0.1 -2.1 14 3988 00 51 30 00 53 30 --- 11 14 31 36.6 177.9 -0.1 -1.6 120 4050 00 51 31 00 53 30 2MASSJ1119 11 14 31 37.7 178.1 -0.1 -1.5 -16 4050 No stop 00 57 30 --- 11 18 32 37.7 179.3 -0.0 -0.5 224 4174 00 53 31 00 58 00 J1120-1243 11 19 02 36.6 179.3 -0.0 -0.6 14 4174 00 58 00 00 59 30 --- 11 20 32 36.6 179.7 -0.0 -0.2 90 4220 00 58 01 00 59 30 2MASSJ1119 11 20 32 37.7 179.9 -0.0 -0.1 -16 4220 No stop 01 03 30 --- 11 24 33 37.7 181.2 0.1 0.9 224 4344 00 59 31 01 04 00 J1120-1243 11 25 03 36.6 181.1 0.1 0.9 14 4344 01 04 00 01 06 00 --- 11 27 03 36.6 181.7 0.1 1.3 120 4406 01 04 01 01 06 00 2MASSJ1119 11 27 03 37.7 181.9 0.1 1.5 -16 4406 No stop 01 10 00 --- 11 31 04 37.7 183.2 0.2 2.5 224 4529 01 06 01 01 10 30 J1120-1243 11 31 34 36.6 183.1 0.2 2.4 14 4529 01 10 30 01 12 00 --- 11 33 04 36.5 183.5 0.2 2.8 90 4576 01 10 31 01 12 00 2MASSJ1119 11 33 04 37.6 183.8 0.2 3.0 -16 4576 No stop 01 16 00 --- 11 37 05 37.6 185.0 0.3 3.9 224 4699 01 12 01 01 16 30 J1120-1243 11 37 35 36.5 184.9 0.3 3.8 14 4699 01 16 30 01 18 30 --- 11 39 35 36.4 185.5 0.3 4.3 120 4761 01 16 31 01 18 30 2MASSJ1119 11 39 35 37.5 185.8 0.3 4.5 -16 4761 No stop 01 22 30 --- 11 43 36 37.4 187.0 0.4 5.5 224 4885 01 18 31 01 23 00 J1120-1243 11 44 06 36.4 186.9 0.4 5.3 14 4885 01 23 00 01 24 30 --- 11 45 36 36.3 187.3 0.4 5.7 90 4931 01 23 01 01 24 30 2MASSJ1119 11 45 36 37.4 187.7 0.4 5.9 -16 4931 No stop 01 28 30 --- 11 49 37 37.3 188.9 0.5 6.9 224 5055 01 24 31 01 29 00 J1120-1243 11 50 07 36.2 188.7 0.5 6.8 14 5055 01 29 00 01 31 00 --- 11 52 08 36.1 189.3 0.5 7.2 120 5117 01 29 01 Schedule for YEBES40M (Code Ys ) Page 6 new UCD -6cm 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 29 Feb 2024 Day 60 --- 01 31 00 2MASSJ1119 11 52 08 37.2 189.6 0.5 7.5 -16 5117 No stop 01 35 00 --- 11 56 08 37.1 190.9 0.6 8.4 224 5240 01 31 01 01 35 30 J1120-1243 11 56 38 36.0 190.6 0.6 8.3 14 5240 01 35 30 01 37 00 --- 11 58 08 35.9 191.1 0.6 8.6 90 5287 01 35 31 01 37 00 2MASSJ1119 11 58 08 37.0 191.5 0.6 8.9 -16 5287 No stop 01 41 00 --- 12 02 09 36.8 192.7 0.7 9.8 224 5410 01 37 01 01 41 30 J1120-1243 12 02 39 35.8 192.4 0.7 9.6 14 5410 01 41 30 01 43 30 --- 12 04 40 35.7 193.0 0.7 10.1 120 5472 01 41 31 01 43 30 2MASSJ1119 12 04 40 36.7 193.4 0.7 10.4 -16 5472 No stop 01 47 30 --- 12 08 40 36.5 194.6 0.8 11.3 224 5596 01 43 31 01 48 00 J1120-1243 12 09 10 35.5 194.3 0.8 11.1 14 5596 01 48 00 01 49 30 --- 12 10 41 35.4 194.8 0.8 11.5 90 5642 01 48 01 01 49 30 2MASSJ1119 12 10 41 36.5 195.2 0.8 11.8 -16 5642 No stop 01 53 30 --- 12 14 41 36.2 196.4 0.9 12.7 224 5766 01 49 31 01 54 00 J1120-1243 12 15 11 35.2 196.1 0.9 12.5 14 5766 01 54 00 01 56 00 --- 12 17 12 35.1 196.7 0.9 12.9 120 5828 01 54 01 01 56 00 2MASSJ1119 12 17 12 36.1 197.2 0.9 13.3 -16 5828 No stop 02 00 00 --- 12 21 12 35.9 198.4 1.0 14.2 224 5951 01 56 01 02 00 30 J1120-1243 12 21 42 34.8 198.0 1.0 13.9 14 5951 02 00 30 02 02 00 --- 12 23 13 34.7 198.4 1.0 14.3 90 5998 02 00 31 02 02 00 2MASSJ1119 12 23 13 35.7 198.9 1.0 14.6 -16 5998 No stop 02 06 00 --- 12 27 13 35.5 200.1 1.1 15.5 224 6121 02 02 01 02 06 30 J1120-1243 12 27 43 34.4 199.7 1.1 15.2 14 6121 02 06 30 02 08 30 --- 12 29 44 34.3 200.3 1.1 15.7 120 6183 02 06 31 02 08 30 2MASSJ1119 12 29 44 35.3 200.8 1.1 16.0 -16 6183 No stop 02 12 30 --- 12 33 44 35.1 202.0 1.2 16.9 224 6307 02 08 31 02 13 00 J1120-1243 12 34 14 34.0 201.6 1.2 16.6 14 6307 02 13 00 02 14 30 --- 12 35 45 33.9 202.0 1.2 17.0 90 6353 02 13 01 02 14 30 2MASSJ1119 12 35 45 34.9 202.6 1.2 17.3 -16 6353 No stop 02 18 30 --- 12 39 45 34.6 203.7 1.3 18.2 224 6477 02 14 31 Schedule for YEBES40M (Code Ys ) Page 7 new UCD -6cm 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 29 Feb 2024 Day 60 --- 02 18 30 J1120-1243 12 39 45 33.6 203.1 1.3 17.8 -16 6477 No stop 02 20 30 --- 12 41 46 33.5 203.7 1.3 18.2 104 6539 02 18 31 02 23 00 3C273 12 44 16 51.3 185.6 0.2 4.2 116 6539 02 23 00 02 30 00 --- 12 51 17 51.1 188.3 0.3 6.3 420 6755 02 23 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.C4096 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 6 Station: YEBES40M Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 32 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 Net SB= L L U U L L U U L L U U L L U U L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 5 13 5 13 6 14 6 14 7 15 7 15 8 16 8 16 BBC SB= L L U U L L U U L L U U L L U U L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 B1 D1 B1 D1 B1 D1 B1 D1 B1 D1 B1 D1 B1 D1 B1 D1 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 4632.00 4632.00 4632.00 4632.00 4696.00 4696.00 4696.00 4696.00 4760.00 4760.00 4760.00 4760.00 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 5080.00 5080.00 5080.00 5080.00 BBC fr= 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 5 8 10 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 3C273 12 26 33.245846 * 12 29 06.699742 12 30 21.702256 0.00 02 19 43.30561 * 02 03 08.59812 01 55 01.01869 0.00 From catalog imbedded in main SCHED input file. * 2MASSJ1119 11 17 01.263722 * 11 19 32.561250 11 20 46.578535 0.00 -11 21 22.46204 *-11 37 48.07000 -11 45 48.29793 0.00 From catalog imbedded in main SCHED input file. * J1120-1243 11 17 40.982800 * 11 20 12.080526 11 21 25.999215 0.00 -12 27 11.69570 *-12 43 37.82838 -12 51 38.19668 0.00 From catalog imbedded in main SCHED input file. 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 3C273 sess124.C4096 1 2 3 4 5 6 7 9 11 0.217 10.750 2MASSJ1119 sess124.C4096 1 2 3 4 5 6 7 9 11 2.333 100.935 J1120-1243 sess124.C4096 1 2 3 4 5 6 7 9 11 1.092 47.816 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) 3C273 153.3 2MASSJ1119 158.5 J1120-1243 157.5 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