COVER INFORMATION Station: CAMBG32M (Code Cm ) Experiment: Nature of methanol maser rings Exp. Code: EB052A Schedule Version: 1.00 Processed by SCHED version: 10.20 Release of about July 12, 2012 PI: Anna Bartkiewicz Address: Torun Centre for Astronomy ul. Gagarina 11, Torun, PL-87100 Poland Phone: +48 56 6113040 EMAIL: annan@astro.uni.torun.pl Fax: +48 56 6113009 Phone during observation: +48 56 6113010 Observing mode: MKV, 128 Mbps Notes: Please, make sure the PHASE CAL is OFF. SPECTRAL LINE observations, a PHASE REF experiment 11min. gap for Effelsberg after the scan 88 Schedule for CAMBG32M (Code Cm ) Page 2 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- Next scan frequencies: 6664.72 6664.72 6664.72 6664.72 6668.72 6668.72 6668.72 6668.72 6672.72 6672.72 6672.72 6672.72 6676.72 6676.72 6676.72 6676.72 Next BBC frequencies: 544.72 544.72 544.72 544.72 548.72 548.72 548.72 548.72 552.72 552.72 552.72 552.72 556.72 556.72 556.72 556.72 Next scan bandwidths: 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 03 00 00 3C345 13 40 26 56.5 453.2 -3.1 -52.8 0 0 03 00 00 03 15 00 --- 13 55 28 58.8 456.5 -2.8 -52.5 900 15 03 00 01 03 15 40 3C345 13 56 08 58.9 456.7 -2.8 -52.4 36 15 03 15 40 03 30 40 --- 14 11 11 61.2 460.2 -2.5 -51.8 900 29 03 15 41 03 34 27 J1825-0737 14 14 58 9.9 476.4 -4.2 -33.6 56 29 03 34 27 03 36 12 =1822-076 14 16 43 10.2 476.8 -4.2 -33.5 105 31 03 34 28 03 36 12 G23.207 14 16 43 7.9 475.5 -4.3 -34.1 -22 31 No stop 03 39 27 --- 14 19 59 8.4 476.2 -4.3 -33.8 173 34 03 36 13 03 39 27 J1825-0737 14 19 59 10.6 477.5 -4.1 -33.3 -22 34 No stop 03 41 12 =1822-076 14 21 44 10.9 477.9 -4.1 -33.2 83 36 03 39 28 03 41 12 G23.389 14 21 44 9.2 476.7 -4.2 -33.6 -19 36 No stop 03 44 27 --- 14 24 59 9.6 477.4 -4.1 -33.4 176 39 03 41 13 03 44 27 J1825-0737 14 24 59 11.3 478.6 -4.0 -32.9 -19 39 No stop 03 46 12 =1822-076 14 26 45 11.5 478.9 -4.0 -32.8 86 40 03 44 28 03 46 52 G23.657 14 27 25 9.8 477.5 -4.1 -33.4 20 40 03 46 52 03 50 07 --- 14 30 40 10.3 478.2 -4.1 -33.1 195 44 03 46 53 03 50 47 J1825-0737 14 31 20 12.2 479.9 -3.9 -32.4 20 44 03 50 47 03 52 32 =1822-076 14 33 06 12.4 480.3 -3.9 -32.3 105 45 03 50 48 03 52 32 G23.207 14 33 06 10.2 479.0 -4.0 -32.9 -22 45 No stop 03 55 47 --- 14 36 21 10.6 479.6 -4.0 -32.6 173 48 03 52 33 03 55 47 J1825-0737 14 36 21 12.8 481.0 -3.8 -32.0 -22 48 No stop 03 57 32 =1822-076 14 38 07 13.1 481.4 -3.8 -31.9 83 50 03 55 48 03 57 32 G23.389 14 38 07 11.4 480.1 -3.9 -32.4 -19 50 No stop 04 00 47 --- 14 41 22 11.8 480.8 -3.9 -32.2 176 53 03 57 33 04 00 47 J1825-0737 14 41 22 13.5 482.1 -3.7 -31.6 -19 53 No stop 04 02 32 =1822-076 14 43 07 13.7 482.4 -3.7 -31.5 86 55 04 00 48 Schedule for CAMBG32M (Code Cm ) Page 3 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 04 03 12 G23.657 14 43 48 12.0 481.0 -3.9 -32.1 20 55 04 03 12 04 06 27 --- 14 47 03 12.4 481.7 -3.8 -31.8 195 58 04 03 13 04 07 07 J1825-0737 14 47 43 14.3 483.5 -3.6 -31.1 20 58 04 07 07 04 08 52 =1822-076 14 49 28 14.5 483.8 -3.6 -30.9 105 60 04 07 08 04 08 52 G23.207 14 49 28 12.3 482.5 -3.8 -31.6 -22 60 No stop 04 12 07 --- 14 52 44 12.7 483.2 -3.7 -31.3 173 63 04 08 53 04 12 07 J1825-0737 14 52 44 14.9 484.6 -3.6 -30.6 -22 63 No stop 04 13 52 =1822-076 14 54 29 15.2 484.9 -3.5 -30.5 83 65 04 12 08 04 13 52 G23.389 14 54 29 13.5 483.7 -3.7 -31.1 -19 65 No stop 04 17 07 --- 14 57 45 13.9 484.4 -3.6 -30.8 176 68 04 13 53 04 17 07 J1825-0737 14 57 45 15.6 485.7 -3.5 -30.2 -19 68 No stop 04 18 52 =1822-076 14 59 30 15.8 486.1 -3.4 -30.0 86 69 04 17 08 04 19 32 G23.657 15 00 10 14.1 484.5 -3.6 -30.7 21 69 04 19 32 04 22 47 --- 15 03 26 14.5 485.2 -3.5 -30.4 195 73 04 19 33 04 23 27 J1825-0737 15 04 06 16.4 487.1 -3.4 -29.6 20 73 04 23 27 04 25 12 =1822-076 15 05 51 16.6 487.5 -3.3 -29.4 105 74 04 23 28 04 25 12 G23.207 15 05 51 14.4 486.0 -3.5 -30.1 -21 74 No stop 04 28 27 --- 15 09 07 14.8 486.7 -3.4 -29.8 174 77 04 25 13 04 28 27 J1825-0737 15 09 07 17.0 488.2 -3.3 -29.1 -22 77 No stop 04 30 12 =1822-076 15 10 52 17.2 488.6 -3.3 -28.9 83 79 04 28 28 04 30 12 G23.389 15 10 52 15.6 487.3 -3.4 -29.6 -19 79 No stop 04 33 27 --- 15 14 07 16.0 488.0 -3.3 -29.2 176 82 04 30 13 04 33 27 J1825-0737 15 14 07 17.6 489.4 -3.2 -28.6 -19 82 No stop 04 35 12 =1822-076 15 15 53 17.8 489.8 -3.2 -28.4 86 84 04 33 28 04 35 52 G23.657 15 16 33 16.2 488.2 -3.3 -29.2 21 84 04 35 52 04 39 07 --- 15 19 48 16.5 488.9 -3.3 -28.8 195 87 04 35 53 04 39 47 J1825-0737 15 20 29 18.3 490.8 -3.1 -27.9 21 87 04 39 47 04 41 32 =1822-076 15 22 14 18.5 491.2 -3.1 -27.7 105 89 04 39 48 04 41 32 G23.207 15 22 14 16.4 489.7 -3.2 -28.5 -21 89 No stop 04 44 47 --- 15 25 29 16.8 490.4 -3.2 -28.2 174 92 04 41 33 Schedule for CAMBG32M (Code Cm ) Page 4 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 04 44 47 J1825-0737 15 25 29 18.9 492.0 -3.0 -27.4 -22 92 No stop 04 46 32 =1822-076 15 27 15 19.1 492.4 -3.0 -27.2 83 94 04 44 48 04 46 32 G23.389 15 27 15 17.5 491.0 -3.1 -27.9 -18 94 No stop 04 49 47 --- 15 30 30 17.9 491.7 -3.1 -27.6 177 97 04 46 33 04 49 47 J1825-0737 15 30 30 19.4 493.1 -2.9 -26.8 -19 97 No stop 04 51 32 =1822-076 15 32 15 19.6 493.6 -2.9 -26.6 86 98 04 49 48 04 52 12 G23.657 15 32 56 18.1 491.9 -3.0 -27.5 21 98 04 52 12 04 55 27 --- 15 36 11 18.4 492.6 -3.0 -27.1 195 102 04 52 13 04 56 07 J1825-0737 15 36 51 20.1 494.6 -2.8 -26.1 21 102 04 56 07 04 57 52 =1822-076 15 38 37 20.3 495.1 -2.8 -25.9 105 103 04 56 08 04 57 52 G23.207 15 38 37 18.2 493.4 -3.0 -26.8 -21 103 No stop 05 01 07 --- 15 41 52 18.6 494.2 -2.9 -26.4 174 106 04 57 53 05 01 07 J1825-0737 15 41 52 20.7 495.8 -2.7 -25.5 -21 106 No stop 05 02 52 =1822-076 15 43 37 20.9 496.3 -2.7 -25.3 84 108 05 01 08 05 02 52 G23.389 15 43 37 19.4 494.8 -2.8 -26.1 -18 108 No stop 05 06 07 --- 15 46 53 19.7 495.6 -2.8 -25.7 177 111 05 02 53 05 06 07 J1825-0737 15 46 53 21.2 497.0 -2.7 -24.9 -19 111 No stop 05 07 52 =1822-076 15 48 38 21.4 497.5 -2.6 -24.7 86 113 05 06 08 05 08 32 G23.657 15 49 18 19.9 495.7 -2.8 -25.6 21 113 05 08 32 05 11 47 --- 15 52 34 20.2 496.5 -2.7 -25.3 195 116 05 08 33 05 12 27 J1825-0737 15 53 14 21.9 498.6 -2.6 -24.2 20 116 05 12 27 05 14 12 =1822-076 15 54 59 22.1 499.0 -2.5 -24.0 105 118 05 12 28 05 14 12 G23.207 15 54 59 20.0 497.3 -2.7 -24.9 -21 118 No stop 05 17 27 --- 15 58 15 20.4 498.1 -2.6 -24.5 174 121 05 14 13 05 17 27 J1825-0737 15 58 15 22.4 499.8 -2.5 -23.5 -21 121 No stop 05 19 12 =1822-076 16 00 00 22.5 500.2 -2.4 -23.3 84 123 05 17 28 05 19 12 G23.389 16 00 00 21.1 498.7 -2.6 -24.2 -18 123 No stop 05 22 27 --- 16 03 16 21.4 499.5 -2.5 -23.7 177 126 05 19 13 05 22 27 J1825-0737 16 03 16 22.9 501.0 -2.4 -22.9 -18 126 No stop 05 24 12 =1822-076 16 05 01 23.0 501.5 -2.4 -22.7 87 127 05 22 28 Schedule for CAMBG32M (Code Cm ) Page 5 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 05 24 52 G23.657 16 05 41 21.6 499.7 -2.5 -23.7 21 127 05 24 52 05 28 07 --- 16 08 56 21.9 500.4 -2.4 -23.2 195 131 05 24 53 05 28 47 J1825-0737 16 09 37 23.5 502.6 -2.3 -22.1 20 131 05 28 47 05 30 32 =1822-076 16 11 22 23.6 503.1 -2.2 -21.8 105 132 05 28 48 05 30 32 G23.207 16 11 22 21.7 501.2 -2.4 -22.9 -21 132 No stop 05 33 47 --- 16 14 37 22.0 502.0 -2.4 -22.4 174 135 05 30 33 05 33 47 J1825-0737 16 14 37 23.9 503.9 -2.2 -21.4 -21 135 No stop 05 35 32 =1822-076 16 16 23 24.1 504.3 -2.2 -21.2 84 137 05 33 48 05 35 32 G23.389 16 16 23 22.7 502.7 -2.3 -22.1 -18 137 No stop 05 38 47 --- 16 19 38 23.0 503.5 -2.2 -21.6 177 140 05 35 33 05 38 47 J1825-0737 16 19 38 24.4 505.1 -2.1 -20.7 -18 140 No stop 05 40 32 =1822-076 16 21 24 24.5 505.6 -2.1 -20.5 87 142 05 38 48 05 41 12 G23.657 16 22 04 23.1 503.7 -2.2 -21.5 20 142 05 41 12 05 44 27 --- 16 25 19 23.4 504.5 -2.2 -21.1 195 145 05 41 13 05 45 07 J1825-0737 16 25 59 24.9 506.8 -2.0 -19.8 20 145 05 45 07 05 46 52 =1822-076 16 27 45 25.1 507.2 -2.0 -19.6 105 147 05 45 08 05 46 52 G23.207 16 27 45 23.2 505.3 -2.1 -20.7 -20 147 No stop 05 50 07 --- 16 31 00 23.4 506.1 -2.1 -20.2 175 150 05 46 53 05 50 07 J1825-0737 16 31 00 25.3 508.1 -1.9 -19.1 -20 150 No stop 05 51 52 =1822-076 16 32 45 25.5 508.5 -1.9 -18.9 85 152 05 50 08 05 51 52 G23.389 16 32 45 24.1 506.8 -2.0 -19.8 -18 152 No stop 05 55 07 --- 16 36 01 24.4 507.7 -2.0 -19.4 177 155 05 51 53 05 55 07 J1825-0737 16 36 01 25.7 509.4 -1.8 -18.4 -18 155 No stop 05 56 52 =1822-076 16 37 46 25.9 509.8 -1.8 -18.1 87 157 05 55 08 05 57 32 G23.657 16 38 26 24.5 507.8 -2.0 -19.3 20 157 05 57 32 06 00 47 --- 16 41 42 24.8 508.7 -1.9 -18.8 195 160 05 57 33 06 01 27 J1825-0737 16 42 22 26.2 511.0 -1.7 -17.4 19 160 06 01 27 06 03 12 =1822-076 16 44 07 26.3 511.5 -1.7 -17.2 105 161 06 01 28 06 03 12 G23.207 16 44 07 24.5 509.5 -1.9 -18.4 -20 161 No stop 06 06 27 --- 16 47 23 24.8 510.3 -1.8 -17.9 175 165 06 03 13 Schedule for CAMBG32M (Code Cm ) Page 6 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 06 06 27 J1825-0737 16 47 23 26.6 512.4 -1.6 -16.7 -20 165 No stop 06 08 12 =1822-076 16 49 08 26.7 512.8 -1.6 -16.4 85 166 06 06 28 06 08 12 G23.389 16 49 08 25.4 511.1 -1.7 -17.5 -18 166 No stop 06 11 27 --- 16 52 24 25.7 511.9 -1.7 -17.0 177 169 06 08 13 06 11 27 J1825-0737 16 52 24 26.9 513.7 -1.6 -15.9 -19 169 No stop 06 13 12 =1822-076 16 54 09 27.0 514.2 -1.5 -15.6 86 171 06 11 28 06 13 52 G23.657 16 54 49 25.8 512.1 -1.7 -16.9 20 171 06 13 52 06 17 07 --- 16 58 05 26.0 513.0 -1.6 -16.4 195 174 06 13 53 06 17 47 J1825-0737 16 58 45 27.3 515.4 -1.5 -14.9 19 174 06 17 47 06 19 32 =1822-076 17 00 30 27.5 515.9 -1.4 -14.6 105 176 06 17 48 06 19 32 G23.207 17 00 30 25.7 513.7 -1.6 -15.9 -20 176 No stop 06 22 47 --- 17 03 45 25.9 514.6 -1.5 -15.4 175 179 06 19 33 06 22 47 J1825-0737 17 03 45 27.7 516.8 -1.4 -14.1 -21 179 No stop 06 24 32 =1822-076 17 05 31 27.8 517.2 -1.3 -13.9 84 181 06 22 48 06 24 32 G23.389 17 05 31 26.5 515.4 -1.5 -15.0 -18 181 No stop 06 27 47 --- 17 08 46 26.8 516.3 -1.4 -14.4 177 184 06 24 33 06 27 47 J1825-0737 17 08 46 28.0 518.1 -1.3 -13.3 -19 184 No stop 06 29 32 =1822-076 17 10 32 28.1 518.6 -1.3 -13.0 86 186 06 27 48 06 30 12 G23.657 17 11 12 26.9 516.5 -1.4 -14.3 19 186 06 30 12 06 33 27 --- 17 14 27 27.1 517.3 -1.4 -13.8 195 189 06 30 13 06 34 07 J1825-0737 17 15 07 28.3 519.9 -1.2 -12.3 19 189 06 34 07 06 35 52 =1822-076 17 16 53 28.4 520.3 -1.2 -12.0 105 190 06 34 08 06 35 52 G23.207 17 16 53 26.7 518.1 -1.3 -13.4 -20 190 No stop 06 39 07 --- 17 20 08 26.9 519.0 -1.3 -12.9 175 194 06 35 53 06 39 07 J1825-0737 17 20 08 28.6 521.2 -1.1 -11.5 -21 194 No stop 06 40 52 =1822-076 17 21 53 28.6 521.7 -1.1 -11.2 84 195 06 39 08 06 40 52 G23.389 17 21 53 27.5 519.8 -1.2 -12.4 -19 195 No stop 06 44 07 --- 17 25 09 27.7 520.7 -1.1 -11.8 176 198 06 40 53 06 44 07 J1825-0737 17 25 09 28.8 522.6 -1.0 -10.6 -20 198 No stop 06 45 52 =1822-076 17 26 54 28.9 523.1 -1.0 -10.3 85 200 06 44 08 Schedule for CAMBG32M (Code Cm ) Page 7 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 06 46 32 G23.657 17 27 34 27.8 520.9 -1.1 -11.7 19 200 06 46 32 06 49 47 --- 17 30 50 28.0 521.8 -1.1 -11.2 195 203 06 46 33 06 50 27 J1825-0737 17 31 30 29.1 524.4 -0.9 -9.6 18 203 06 50 27 06 52 12 =1822-076 17 33 15 29.1 524.9 -0.9 -9.3 105 205 06 50 28 06 52 12 G23.207 17 33 15 27.6 522.6 -1.0 -10.7 -21 205 No stop 06 55 27 --- 17 36 31 27.7 523.5 -1.0 -10.2 174 208 06 52 13 06 55 27 J1825-0737 17 36 31 29.3 525.8 -0.8 -8.7 -21 208 No stop 06 57 12 =1822-076 17 38 16 29.3 526.3 -0.8 -8.4 84 210 06 55 28 06 57 12 G23.389 17 38 16 28.3 524.3 -0.9 -9.6 -19 210 No stop 07 00 27 --- 17 41 32 28.4 525.2 -0.9 -9.1 176 213 06 57 13 07 00 27 J1825-0737 17 41 32 29.5 527.2 -0.7 -7.9 -20 213 No stop 07 02 12 =1822-076 17 43 17 29.5 527.7 -0.7 -7.6 85 215 07 00 28 07 02 52 G23.657 17 43 57 28.5 525.4 -0.9 -9.0 19 215 07 02 52 07 06 07 --- 17 47 13 28.7 526.3 -0.8 -8.4 195 218 07 02 53 07 06 47 J1825-0737 17 47 53 29.7 529.0 -0.6 -6.8 18 218 07 06 47 07 08 32 =1822-076 17 49 38 29.7 529.5 -0.6 -6.5 105 219 07 06 48 07 08 32 G23.207 17 49 38 28.2 527.1 -0.8 -8.0 -21 219 No stop 07 11 47 --- 17 52 54 28.3 528.0 -0.7 -7.4 174 223 07 08 33 07 11 47 J1825-0737 17 52 54 29.8 530.4 -0.6 -5.9 -22 223 No stop 07 13 32 =1822-076 17 54 39 29.8 530.9 -0.5 -5.6 83 224 07 11 48 07 13 32 G23.389 17 54 39 28.9 528.9 -0.7 -6.9 -19 224 No stop 07 16 47 --- 17 57 54 29.0 529.8 -0.6 -6.3 176 227 07 13 33 07 16 47 J1825-0737 17 57 54 29.9 531.9 -0.5 -5.0 -20 227 No stop 07 18 32 =1822-076 17 59 40 29.9 532.4 -0.4 -4.7 85 229 07 16 48 07 19 12 G23.657 18 00 20 29.1 530.0 -0.6 -6.2 19 229 07 19 12 07 22 27 --- 18 03 35 29.2 530.9 -0.5 -5.6 195 232 07 19 13 07 22 27 J1825-0737 18 03 35 30.0 533.5 -0.4 -4.0 -22 232 No stop 07 24 12 =1822-076 18 05 21 30.0 534.0 -0.4 -3.7 83 234 07 22 28 07 27 35 3C345 18 08 44 70.8 598.3 1.4 42.7 64 234 07 27 35 07 42 35 --- 18 23 47 68.8 604.2 1.7 46.0 900 248 07 27 36 Schedule for CAMBG32M (Code Cm ) Page 8 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 07 53 35 J1825-0737 18 34 49 30.2 542.4 0.1 1.5 527 248 07 53 35 07 55 20 =1822-076 18 36 34 30.2 542.9 0.2 1.8 105 250 07 53 36 07 55 20 G23.207 18 36 34 29.0 540.3 0.0 0.2 -22 250 No stop 07 58 35 --- 18 39 49 29.0 541.2 0.1 0.7 173 253 07 55 21 07 58 35 J1825-0737 18 39 49 30.1 543.9 0.2 2.4 -23 253 No stop 08 00 20 =1822-076 18 41 35 30.1 544.4 0.3 2.7 82 255 07 58 36 08 00 20 G23.389 18 41 35 29.4 542.2 0.1 1.3 -20 255 No stop 08 03 35 --- 18 44 50 29.4 543.1 0.2 1.9 175 258 08 00 21 08 03 35 J1825-0737 18 44 50 30.1 545.3 0.3 3.3 -21 258 No stop 08 05 20 =1822-076 18 46 35 30.1 545.8 0.3 3.6 84 260 08 03 36 08 06 00 G23.657 18 47 16 29.5 543.3 0.2 2.1 18 260 08 06 00 08 09 15 --- 18 50 31 29.5 544.2 0.2 2.6 195 263 08 06 01 08 09 55 J1825-0737 18 51 11 30.0 547.1 0.4 4.4 17 263 08 09 55 08 11 40 =1822-076 18 52 57 29.9 547.6 0.4 4.7 105 265 08 09 56 08 11 40 G23.207 18 52 57 28.9 544.9 0.3 3.0 -22 265 No stop 08 14 55 --- 18 56 12 28.9 545.8 0.3 3.6 173 268 08 11 41 08 14 55 J1825-0737 18 56 12 29.9 548.5 0.5 5.3 -23 268 No stop 08 16 40 =1822-076 18 57 57 29.8 549.0 0.5 5.6 82 269 08 14 56 08 16 40 G23.389 18 57 57 29.2 546.8 0.4 4.2 -20 269 No stop 08 19 55 --- 19 01 13 29.2 547.7 0.5 4.8 175 273 08 16 41 08 19 55 J1825-0737 19 01 13 29.8 550.0 0.6 6.1 -21 273 No stop 08 21 40 =1822-076 19 02 58 29.7 550.5 0.6 6.5 84 274 08 19 56 08 22 20 G23.657 19 03 38 29.2 548.0 0.5 4.9 18 274 08 22 20 08 25 35 --- 19 06 54 29.2 548.9 0.5 5.5 195 277 08 22 21 08 26 15 J1825-0737 19 07 34 29.6 551.8 0.7 7.2 17 277 08 26 15 08 28 00 =1822-076 19 09 19 29.5 552.3 0.7 7.5 105 279 08 26 16 08 28 00 G23.207 19 09 19 28.6 549.5 0.6 5.9 -22 279 No stop 08 31 15 --- 19 12 35 28.5 550.4 0.6 6.4 173 282 08 28 01 08 31 15 J1825-0737 19 12 35 29.4 553.2 0.8 8.1 -23 282 No stop 08 33 00 =1822-076 19 14 20 29.3 553.7 0.8 8.4 82 284 08 31 16 Schedule for CAMBG32M (Code Cm ) Page 9 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 08 33 00 G23.389 19 14 20 28.8 551.4 0.7 7.0 -20 284 No stop 08 36 15 --- 19 17 36 28.7 552.3 0.7 7.6 175 287 08 33 01 08 36 15 J1825-0737 19 17 36 29.2 554.6 0.9 9.0 -21 287 No stop 08 38 00 =1822-076 19 19 21 29.1 555.1 0.9 9.3 84 289 08 36 16 08 38 40 G23.657 19 20 01 28.8 552.6 0.7 7.7 18 289 08 38 40 08 41 55 --- 19 23 16 28.7 553.5 0.8 8.3 195 292 08 38 41 08 42 35 J1825-0737 19 23 57 29.0 556.4 1.0 10.0 17 292 08 42 35 08 44 20 =1822-076 19 25 42 28.9 556.9 1.0 10.3 105 294 08 42 36 08 44 20 G23.207 19 25 42 28.1 554.0 0.8 8.7 -22 294 No stop 08 47 35 --- 19 28 57 28.0 554.9 0.9 9.2 173 297 08 44 21 08 47 35 J1825-0737 19 28 57 28.7 557.8 1.0 10.9 -23 297 No stop 08 49 20 =1822-076 19 30 43 28.6 558.2 1.1 11.2 82 299 08 47 36 08 49 20 G23.389 19 30 43 28.2 556.0 0.9 9.8 -20 299 No stop 08 52 35 --- 19 33 58 28.1 556.9 1.0 10.4 175 302 08 49 21 08 52 35 J1825-0737 19 33 58 28.5 559.1 1.1 11.7 -21 302 No stop 08 54 20 =1822-076 19 35 44 28.4 559.6 1.2 12.0 84 303 08 52 36 08 55 00 G23.657 19 36 24 28.1 557.1 1.0 10.5 18 303 08 55 00 08 58 15 --- 19 39 39 28.0 558.0 1.1 11.1 195 307 08 55 01 08 58 55 J1825-0737 19 40 19 28.2 560.9 1.2 12.7 17 307 08 58 55 09 00 40 =1822-076 19 42 05 28.1 561.4 1.3 13.0 105 308 08 58 56 09 00 40 G23.207 19 42 05 27.4 558.5 1.1 11.4 -22 308 No stop 09 03 55 --- 19 45 20 27.2 559.4 1.2 11.9 173 311 09 00 41 09 03 55 J1825-0737 19 45 20 27.9 562.3 1.3 13.6 -23 311 No stop 09 05 40 =1822-076 19 47 05 27.8 562.7 1.3 13.8 82 313 09 03 56 09 05 40 G23.389 19 47 05 27.4 560.5 1.2 12.5 -20 313 No stop 09 08 55 --- 19 50 21 27.3 561.4 1.3 13.0 175 316 09 05 41 09 08 55 J1825-0737 19 50 21 27.6 563.6 1.4 14.4 -21 316 No stop 09 10 40 =1822-076 19 52 06 27.5 564.1 1.4 14.6 84 318 09 08 56 09 11 20 G23.657 19 52 46 27.3 561.6 1.3 13.2 18 318 09 11 20 09 14 35 --- 19 56 02 27.1 562.5 1.3 13.7 195 321 09 11 21 Schedule for CAMBG32M (Code Cm ) Page 10 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 09 15 15 J1825-0737 19 56 42 27.2 565.3 1.5 15.4 17 321 09 15 15 09 17 00 =1822-076 19 58 27 27.1 565.8 1.5 15.6 105 323 09 15 16 09 17 00 G23.207 19 58 27 26.5 563.0 1.4 14.0 -23 323 No stop 09 20 15 --- 20 01 43 26.3 563.8 1.4 14.5 172 326 09 17 01 09 20 15 J1825-0737 20 01 43 26.8 566.7 1.6 16.1 -23 326 No stop 09 22 00 =1822-076 20 03 28 26.7 567.1 1.6 16.4 82 328 09 20 16 09 22 00 G23.389 20 03 28 26.5 564.9 1.5 15.1 -20 328 No stop 09 25 15 --- 20 06 44 26.3 565.8 1.5 15.6 175 331 09 22 01 09 25 15 J1825-0737 20 06 44 26.5 568.0 1.7 16.9 -21 331 No stop 09 27 00 =1822-076 20 08 29 26.4 568.5 1.7 17.2 84 332 09 25 16 09 27 40 G23.657 20 09 09 26.3 566.0 1.6 15.8 18 332 09 27 40 09 30 55 --- 20 12 25 26.1 566.9 1.6 16.3 195 336 09 27 41 09 31 35 J1825-0737 20 13 05 26.0 569.7 1.8 17.8 17 336 09 31 35 09 33 20 =1822-076 20 14 50 25.9 570.1 1.8 18.1 105 337 09 31 36 09 33 20 G23.207 20 14 50 25.4 567.3 1.7 16.5 -23 337 No stop 09 36 35 --- 20 18 05 25.2 568.2 1.7 17.0 172 340 09 33 21 09 36 35 J1825-0737 20 18 05 25.6 571.0 1.9 18.6 -23 340 No stop 09 38 20 =1822-076 20 19 51 25.5 571.5 1.9 18.8 82 342 09 36 36 09 38 20 G23.389 20 19 51 25.3 569.2 1.8 17.6 -20 342 No stop 09 41 35 --- 20 23 06 25.1 570.1 1.8 18.1 175 345 09 38 21 09 41 35 J1825-0737 20 23 06 25.2 572.3 1.9 19.3 -21 345 No stop 09 43 20 =1822-076 20 24 52 25.1 572.8 2.0 19.6 84 347 09 41 36 09 44 00 G23.657 20 25 32 25.1 570.3 1.8 18.2 18 347 09 44 00 09 47 15 --- 20 28 47 24.9 571.1 1.9 18.7 195 350 09 44 01 09 47 55 J1825-0737 20 29 27 24.7 573.9 2.1 20.2 18 350 09 47 55 09 49 40 =1822-076 20 31 13 24.5 574.4 2.1 20.5 105 352 09 47 56 09 49 40 G23.207 20 31 13 24.2 571.6 1.9 19.0 -22 352 No stop 09 52 55 --- 20 34 28 23.9 572.4 2.0 19.4 173 355 09 49 41 09 52 55 J1825-0737 20 34 28 24.2 575.2 2.1 20.9 -23 355 No stop 09 54 40 =1822-076 20 36 13 24.1 575.7 2.2 21.1 82 357 09 52 56 Schedule for CAMBG32M (Code Cm ) Page 11 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 09 54 40 G23.389 20 36 13 24.0 573.4 2.0 20.0 -20 357 No stop 09 57 55 --- 20 39 29 23.8 574.3 2.1 20.4 175 360 09 54 41 09 57 55 J1825-0737 20 39 29 23.8 576.5 2.2 21.6 -21 360 No stop 09 59 40 =1822-076 20 41 14 23.6 576.9 2.2 21.8 84 361 09 57 56 10 00 20 G23.657 20 41 54 23.8 574.5 2.1 20.5 18 361 10 00 20 10 03 35 --- 20 45 10 23.5 575.3 2.2 21.0 195 365 10 00 21 10 04 15 J1825-0737 20 45 50 23.2 578.1 2.3 22.4 18 365 10 04 15 10 06 00 =1822-076 20 47 35 23.0 578.5 2.4 22.7 105 366 10 04 16 10 06 00 G23.207 20 47 35 22.8 575.7 2.2 21.2 -22 366 No stop 10 09 15 --- 20 50 51 22.5 576.5 2.3 21.7 173 369 10 06 01 10 09 15 J1825-0737 20 50 51 22.7 579.3 2.4 23.1 -23 369 No stop 10 11 00 =1822-076 20 52 36 22.6 579.7 2.4 23.3 82 371 10 09 16 10 11 00 G23.389 20 52 36 22.6 577.5 2.3 22.2 -20 371 No stop 10 14 15 --- 20 55 52 22.3 578.3 2.4 22.6 175 374 10 11 01 10 14 15 J1825-0737 20 55 52 22.2 580.5 2.5 23.7 -21 374 No stop 10 16 00 =1822-076 20 57 37 22.1 581.0 2.5 23.9 84 376 10 14 16 10 16 40 G23.657 20 58 17 22.3 578.6 2.4 22.7 18 376 10 16 40 10 19 55 --- 21 01 33 22.0 579.4 2.4 23.2 195 379 10 16 41 10 20 35 J1825-0737 21 02 13 21.6 582.1 2.6 24.5 18 379 10 20 35 10 22 20 =1822-076 21 03 58 21.4 582.5 2.6 24.7 105 381 10 20 36 10 22 20 G23.207 21 03 58 21.3 579.7 2.5 23.4 -22 381 No stop 10 25 35 --- 21 07 14 20.9 580.5 2.5 23.8 173 384 10 22 21 10 25 35 J1825-0737 21 07 14 21.1 583.3 2.7 25.1 -23 384 No stop 10 27 20 =1822-076 21 08 59 20.9 583.7 2.7 25.3 82 386 10 25 36 10 27 20 G23.389 21 08 59 21.0 581.5 2.6 24.3 -20 386 No stop 10 30 35 --- 21 12 14 20.6 582.3 2.6 24.7 175 389 10 27 21 10 30 35 J1825-0737 21 12 14 20.5 584.5 2.8 25.7 -21 389 No stop 10 32 20 =1822-076 21 14 00 20.3 584.9 2.8 25.9 84 390 10 30 36 10 33 00 G23.657 21 14 40 20.6 582.6 2.7 24.8 19 390 10 33 00 10 36 15 --- 21 17 55 20.3 583.3 2.7 25.2 195 394 10 33 01 Schedule for CAMBG32M (Code Cm ) Page 12 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 10 36 55 J1825-0737 21 18 35 19.8 586.0 2.9 26.4 18 394 10 36 55 10 38 40 =1822-076 21 20 21 19.7 586.4 2.9 26.6 105 395 10 36 56 10 38 40 G23.207 21 20 21 19.6 583.7 2.7 25.4 -22 395 No stop 10 41 55 --- 21 23 36 19.2 584.4 2.8 25.8 173 398 10 38 41 10 41 55 J1825-0737 21 23 36 19.3 587.2 3.0 27.0 -23 398 No stop 10 43 40 =1822-076 21 25 21 19.1 587.6 3.0 27.2 82 400 10 41 56 10 43 40 G23.389 21 25 21 19.2 585.4 2.9 26.2 -20 400 No stop 10 46 55 --- 21 28 37 18.9 586.2 2.9 26.6 175 403 10 43 41 10 46 55 J1825-0737 21 28 37 18.7 588.4 3.0 27.5 -20 403 No stop 10 48 40 =1822-076 21 30 22 18.5 588.8 3.1 27.7 85 405 10 46 56 10 49 20 G23.657 21 31 02 18.9 586.4 2.9 26.7 19 405 10 49 20 10 52 35 --- 21 34 18 18.5 587.2 3.0 27.1 195 408 10 49 21 10 53 15 J1825-0737 21 34 58 18.0 589.8 3.1 28.2 18 408 10 53 15 10 55 00 =1822-076 21 36 43 17.8 590.2 3.2 28.4 105 410 10 53 16 10 55 00 G23.207 21 36 43 17.8 587.5 3.0 27.2 -22 410 No stop 10 58 15 --- 21 39 59 17.4 588.3 3.1 27.6 173 413 10 55 01 10 58 15 J1825-0737 21 39 59 17.4 591.0 3.2 28.7 -23 413 No stop 11 00 00 =1822-076 21 41 44 17.2 591.4 3.3 28.9 82 415 10 58 16 11 00 00 G23.389 21 41 44 17.4 589.2 3.1 28.0 -20 415 No stop 11 03 15 --- 21 45 00 17.0 590.0 3.2 28.4 175 418 11 00 01 11 03 15 J1825-0737 21 45 00 16.8 592.1 3.3 29.2 -20 418 No stop 11 05 00 =1822-076 21 46 45 16.6 592.5 3.3 29.4 85 419 11 03 16 11 05 40 G23.657 21 47 25 17.0 590.2 3.2 28.4 19 419 11 05 40 11 08 55 --- 21 50 41 16.6 591.0 3.3 28.8 195 423 11 05 41 11 09 35 J1825-0737 21 51 21 16.0 593.5 3.4 29.8 18 423 11 09 35 11 11 20 =1822-076 21 53 06 15.8 593.9 3.4 30.0 105 424 11 09 36 11 11 20 G23.207 21 53 06 15.9 591.2 3.3 28.9 -22 424 No stop 11 14 35 --- 21 56 22 15.5 592.0 3.3 29.3 173 427 11 11 21 11 14 35 J1825-0737 21 56 22 15.4 594.7 3.5 30.3 -23 427 No stop 11 16 20 =1822-076 21 58 07 15.2 595.0 3.5 30.5 82 429 11 14 36 Schedule for CAMBG32M (Code Cm ) Page 13 Nature of methanol maser rings 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 ---------------------------------------------------------------------------------------- --- Sat 2 Mar 2013 Day 61 --- 11 16 20 G23.389 21 58 07 15.4 592.9 3.4 29.7 -20 429 No stop 11 19 35 --- 22 01 22 15.0 593.7 3.5 30.0 175 432 11 16 21 11 19 35 J1825-0737 22 01 22 14.8 595.8 3.6 30.8 -20 432 No stop 11 21 20 =1822-076 22 03 08 14.5 596.1 3.6 30.9 85 434 11 19 36 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess113.EB052 Matching groups in /usr/local/sched/catalogs/freq.dat: cm5cm MK2 LO setting-400MHz, P. Burgess (JFD 15Oct01) Setup group: 1 Station: CAMBG32M Total bit rate: 128 Format: MKIV1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 16 DBE type: Speedup factor: 2.00 Disk used to record data. 1st LO= 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 6120.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= L L U U L L U U L L U U L L U U IF = C A C A C A C A C A C A C A C A The following frequency sets based on these setups were used. Frequency Set: 1 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 6664.72 6664.72 6664.72 6664.72 6668.72 6668.72 6668.72 6668.72 6672.72 6672.72 6672.72 6672.72 6676.72 6676.72 6676.72 6676.72 BBC fr= 544.72 544.72 544.72 544.72 548.72 548.72 548.72 548.72 552.72 552.72 552.72 552.72 556.72 556.72 556.72 556.72 Bandwd= 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 Matching frequency sets: 1 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31 barrel=roll_off SOURCES USED IN RECORDING SCANS -- Nature of methanol maser rings Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G23.207 18 32 11.143328 * 18 34 55.212100 18 35 38.668200 0.00 -08 51 41.10858 *-08 49 14.89200 -08 48 33.38454 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. 1.462 scan and 45.818 baseline hours in setup: sess113.EB052 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 * G23.389 18 30 30.744294 * 18 33 14.324700 18 33 57.659974 0.00 -08 26 16.42841 *-08 23 57.47200 -08 23 18.03419 0.00 From catalog imbedded in main SCHED input file. Doppler based on other sources. 1.462 scan and 46.312 baseline hours in setup: sess113.EB052 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 * G23.657 18 32 08.103442 * 18 34 51.565000 18 35 34.859751 0.00 -08 20 47.27971 *-08 18 21.30400 -08 17 40.02649 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 77.00 1.408 scan and 50.700 baseline hours in setup: sess113.EB052 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 25.881849 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 46 55.22313 0.52 1641+399 /usr/local/sched/catalogs/sources.vlba J1642+39 GSFC 2011A astro solution 52621 Observations Doppler based on other sources. 0.750 scan and 27.000 baseline hours in setup: sess113.EB052 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 * J1825-0737 18 22 54.910260 * 18 25 37.609553 18 26 20.751850 0.22 1822-076 -07 39 15.96775 *-07 37 30.01383 -07 36 59.62747 0.34 /usr/local/sched/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 140 observations Doppler based on other sources. 2.392 scan and 72.383 baseline hours in setup: sess113.EB052 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 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) G23.207 63.7 G23.389 64.1 G23.657 63.7 3C345 96.4 J1825-0737 66.1 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