COVER INFORMATION Station: MEDICINA (Code Mc ) Experiment: Is there a Binary Black Hole system in the BCG of RBS 797 ? Exp. Code: EG080A Schedule Version: 2.00 Processed by SCHED version: 11.10 Version 11.1 Beta of about April 26, 201 PI: Myriam Gitti Address: INAF Istituto di Radioastronomia Via Gobetti 101 40129 Bologna Italy Phone: +39 051 639 9388 EMAIL: myriam.gitti@unibo.it Fax: +39 051 639 9431 Phone during observation: +39 347 906 6221 Observing mode: Continuum L-band Notes: Version 2 with correct start date Schedule for MEDICINA (Code Mc ) Page 2 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 26 Feb 2014 Day 57 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 315.49 315.49 315.49 315.49 347.49 347.49 347.49 347.49 379.49 379.49 379.49 379.49 411.49 411.49 411.49 411.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 21 00 00 J0954+7435 08 13 06 57.9 372.6 -1.7 -144.3 0 0 21 00 00 21 04 00 =0950+748 08 17 06 58.0 372.2 -1.7 -145.6 240 15 21 00 04 21 04 20 RBS797 08 17 26 56.8 369.6 -1.5 -149.7 13 15 21 04 20 21 07 50 --- 08 20 57 56.9 369.3 -1.5 -150.8 210 29 21 04 24 21 08 30 J0954+7435 08 21 37 58.2 371.7 -1.6 -147.1 33 29 21 08 30 21 09 30 =0950+748 08 22 37 58.2 371.6 -1.6 -147.5 60 33 21 08 34 21 09 50 RBS797 08 22 57 57.0 369.1 -1.4 -151.4 13 33 21 09 50 21 13 20 --- 08 26 28 57.1 368.8 -1.4 -152.6 210 46 21 09 54 21 13 40 J0954+7435 08 26 48 58.4 371.2 -1.5 -148.9 13 46 21 13 40 21 14 40 =0950+748 08 27 48 58.4 371.0 -1.5 -149.2 60 50 21 13 44 21 15 00 RBS797 08 28 08 57.1 368.6 -1.3 -153.1 13 50 21 15 00 21 18 30 --- 08 31 39 57.2 368.3 -1.3 -154.3 210 63 21 15 04 21 19 10 J0954+7435 08 32 19 58.6 370.5 -1.4 -150.7 33 63 21 19 10 21 20 10 =0950+748 08 33 19 58.6 370.4 -1.4 -151.0 60 67 21 19 14 21 20 30 RBS797 08 33 39 57.2 368.1 -1.3 -154.9 13 67 21 20 30 21 24 00 --- 08 37 10 57.3 367.7 -1.2 -156.1 210 81 21 20 34 21 24 20 J0954+7435 08 37 30 58.7 370.0 -1.3 -152.4 13 81 21 24 20 21 25 20 =0950+748 08 38 30 58.8 369.9 -1.3 -152.8 60 84 21 24 24 21 25 40 RBS797 08 38 50 57.4 367.6 -1.2 -156.6 13 84 21 25 40 21 29 10 --- 08 42 21 57.4 367.2 -1.1 -157.8 210 98 21 25 44 21 29 50 J0954+7435 08 43 01 58.9 369.3 -1.2 -154.3 32 98 21 29 50 21 30 50 =0950+748 08 44 01 58.9 369.2 -1.2 -154.7 60 102 21 29 54 21 31 10 RBS797 08 44 21 57.5 367.0 -1.1 -158.4 12 102 21 31 10 21 34 40 --- 08 47 51 57.6 366.6 -1.0 -159.6 210 115 21 31 14 21 35 00 J0954+7435 08 48 12 59.1 368.7 -1.1 -156.1 12 115 21 35 00 21 36 00 =0950+748 08 49 12 59.1 368.6 -1.1 -156.4 60 119 21 35 04 Schedule for MEDICINA (Code Mc ) Page 3 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 26 Feb 2014 Day 57 --- 21 36 20 RBS797 08 49 32 57.6 366.5 -1.0 -160.1 12 119 21 36 20 21 39 50 --- 08 53 02 57.7 366.1 -0.9 -161.3 210 132 21 36 24 21 40 30 J0954+7435 08 53 42 59.2 368.1 -1.0 -158.0 32 132 21 40 30 21 41 30 =0950+748 08 54 43 59.2 367.9 -1.0 -158.3 60 136 21 40 34 21 41 50 RBS797 08 55 03 57.7 365.9 -0.9 -162.0 12 136 21 41 50 21 45 20 --- 08 58 33 57.8 365.5 -0.8 -163.1 210 150 21 41 54 21 45 40 J0954+7435 08 58 53 59.3 367.4 -1.0 -159.8 12 150 21 45 40 21 46 40 =0950+748 08 59 53 59.3 367.3 -0.9 -160.1 60 154 21 45 44 21 47 00 RBS797 09 00 13 57.8 365.3 -0.8 -163.7 12 154 21 47 00 21 50 30 --- 09 03 44 57.9 365.0 -0.7 -164.8 210 167 21 47 04 21 51 10 J0954+7435 09 04 24 59.4 366.7 -0.9 -161.7 32 167 21 51 10 21 52 10 =0950+748 09 05 24 59.5 366.6 -0.8 -162.0 60 171 21 51 14 21 52 30 RBS797 09 05 44 57.9 364.8 -0.7 -165.5 12 171 21 52 30 21 56 00 --- 09 09 15 57.9 364.4 -0.7 -166.7 210 184 21 52 34 21 56 20 J0954+7435 09 09 35 59.5 366.1 -0.8 -163.5 12 184 21 56 20 21 57 20 =0950+748 09 10 35 59.6 366.0 -0.8 -163.8 60 188 21 56 24 21 57 40 RBS797 09 10 55 58.0 364.2 -0.6 -167.3 12 188 21 57 40 22 01 10 --- 09 14 26 58.0 363.8 -0.6 -168.4 210 202 21 57 44 22 01 50 J0954+7435 09 15 06 59.6 365.4 -0.7 -165.4 32 202 22 01 50 22 02 50 =0950+748 09 16 06 59.7 365.3 -0.7 -165.8 60 205 22 01 54 22 03 10 RBS797 09 16 26 58.0 363.6 -0.5 -169.1 12 205 22 03 10 22 06 40 --- 09 19 57 58.1 363.2 -0.5 -170.3 210 219 22 03 14 22 07 00 J0954+7435 09 20 17 59.7 364.7 -0.6 -167.3 12 219 22 07 00 22 08 00 =0950+748 09 21 17 59.7 364.6 -0.6 -167.6 60 223 22 07 04 22 08 20 RBS797 09 21 37 58.1 363.0 -0.5 -170.8 12 223 22 08 20 22 11 50 --- 09 25 08 58.1 362.6 -0.4 -172.0 210 236 22 08 24 22 12 30 J0954+7435 09 25 48 59.8 364.0 -0.5 -169.2 32 236 22 12 30 22 13 30 =0950+748 09 26 48 59.8 363.9 -0.5 -169.6 60 240 22 12 34 22 13 50 RBS797 09 27 08 58.1 362.4 -0.4 -172.7 12 240 22 13 50 22 17 20 --- 09 30 38 58.1 362.0 -0.3 -173.9 210 253 22 13 54 Schedule for MEDICINA (Code Mc ) Page 4 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 26 Feb 2014 Day 57 --- 22 17 40 J0954+7435 09 30 59 59.9 363.3 -0.4 -171.0 12 253 22 17 40 22 18 40 =0950+748 09 31 59 59.9 363.2 -0.4 -171.4 60 257 22 17 44 22 19 00 RBS797 09 32 19 58.2 361.8 -0.3 -174.5 12 257 22 19 00 22 22 30 --- 09 35 49 58.2 361.4 -0.2 -175.6 210 271 22 19 04 22 23 10 J0954+7435 09 36 29 59.9 362.6 -0.3 -173.0 32 271 22 23 10 22 24 10 =0950+748 09 37 30 59.9 362.5 -0.3 -173.3 60 275 22 23 14 22 24 30 RBS797 09 37 50 58.2 361.2 -0.2 -176.3 12 275 22 24 30 22 28 00 --- 09 41 20 58.2 360.8 -0.1 -177.5 210 288 22 24 34 22 28 20 J0954+7435 09 41 40 59.9 361.9 -0.2 -174.8 12 288 22 28 20 22 29 20 =0950+748 09 42 40 60.0 361.8 -0.2 -175.2 60 292 22 28 24 22 29 40 RBS797 09 43 01 58.2 360.6 -0.1 -178.1 12 292 22 29 40 22 33 10 --- 09 46 31 58.2 360.2 -0.0 -179.3 210 305 22 29 44 22 33 50 J0954+7435 09 47 11 60.0 361.2 -0.1 -176.8 32 305 22 33 50 22 34 50 =0950+748 09 48 11 60.0 361.1 -0.1 -177.2 60 309 22 33 54 22 35 10 RBS797 09 48 31 58.2 360.0 -0.0 -179.9 12 309 22 35 10 22 38 40 --- 09 52 02 58.2 359.6 0.1 178.9 210 323 22 35 14 22 39 00 J0954+7435 09 52 22 60.0 360.5 -0.1 -178.6 12 323 22 39 00 22 40 00 =0950+748 09 53 22 60.0 360.4 -0.0 -179.0 60 326 22 39 04 22 40 20 RBS797 09 53 42 58.2 359.4 0.1 178.3 12 326 22 40 20 22 43 50 --- 09 57 13 58.2 359.0 0.1 177.1 210 340 22 40 24 22 44 30 J0954+7435 09 57 53 60.0 359.8 0.0 179.4 32 340 22 44 30 22 45 30 =0950+748 09 58 53 60.0 359.6 0.0 179.0 60 344 22 44 34 22 45 50 RBS797 09 59 13 58.2 358.8 0.2 176.5 12 344 22 45 50 22 49 20 --- 10 02 44 58.2 358.4 0.2 175.3 210 357 22 45 54 22 49 40 J0954+7435 10 03 04 60.0 359.1 0.1 177.5 12 357 22 49 40 22 50 40 =0950+748 10 04 04 60.0 358.9 0.1 177.2 60 361 22 49 44 22 51 00 RBS797 10 04 24 58.2 358.2 0.3 174.7 12 361 22 51 00 22 54 30 --- 10 07 55 58.1 357.9 0.3 173.5 210 374 22 51 04 22 55 10 J0954+7435 10 08 35 60.0 358.3 0.2 175.6 32 374 22 55 10 22 56 10 =0950+748 10 09 35 60.0 358.2 0.2 175.2 60 378 22 55 14 Schedule for MEDICINA (Code Mc ) Page 5 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 26 Feb 2014 Day 57 --- 22 56 30 RBS797 10 09 55 58.1 357.6 0.4 172.8 12 378 22 56 30 23 00 00 --- 10 13 25 58.1 357.2 0.4 171.7 210 392 22 56 34 23 00 20 J0954+7435 10 13 46 59.9 357.7 0.3 173.7 12 392 23 00 20 23 01 20 =0950+748 10 14 46 59.9 357.5 0.3 173.4 60 396 23 00 24 23 01 40 RBS797 10 15 06 58.1 357.1 0.4 171.1 12 396 23 01 40 23 05 10 --- 10 18 36 58.0 356.7 0.5 169.9 210 409 23 01 44 23 05 50 J0954+7435 10 19 16 59.9 356.9 0.4 171.8 32 409 23 05 50 23 06 50 =0950+748 10 20 17 59.9 356.8 0.4 171.4 60 413 23 05 54 23 07 10 RBS797 10 20 37 58.0 356.4 0.5 169.2 12 413 23 07 10 23 10 40 --- 10 24 07 58.0 356.1 0.6 168.1 210 426 23 07 14 23 11 00 J0954+7435 10 24 27 59.8 356.3 0.5 169.9 12 426 23 11 00 23 12 00 =0950+748 10 25 27 59.8 356.1 0.5 169.6 60 430 23 11 04 23 12 20 RBS797 10 25 48 58.0 355.9 0.6 167.5 12 430 23 12 20 23 15 50 --- 10 29 18 57.9 355.5 0.7 166.3 210 444 23 12 24 23 16 30 J0954+7435 10 29 58 59.8 355.5 0.6 168.0 32 444 23 16 30 23 17 30 =0950+748 10 30 58 59.7 355.4 0.6 167.6 60 447 23 16 34 23 17 50 RBS797 10 31 18 57.9 355.3 0.7 165.7 12 447 23 17 50 23 21 20 --- 10 34 49 57.8 354.9 0.8 164.5 210 461 23 17 54 23 21 40 J0954+7435 10 35 09 59.7 354.9 0.6 166.2 12 461 23 21 40 23 22 40 =0950+748 10 36 09 59.7 354.7 0.7 165.8 60 465 23 21 44 23 23 00 RBS797 10 36 29 57.8 354.7 0.8 163.9 12 465 23 23 00 23 26 30 --- 10 40 00 57.7 354.4 0.9 162.8 210 478 23 23 04 23 27 10 J0954+7435 10 40 40 59.6 354.2 0.7 164.2 32 478 23 27 10 23 28 10 =0950+748 10 41 40 59.6 354.0 0.8 163.9 60 482 23 27 14 23 28 30 RBS797 10 42 00 57.7 354.1 0.9 162.1 12 482 23 28 30 23 32 00 --- 10 45 31 57.6 353.8 0.9 160.9 210 495 23 28 34 23 32 20 J0954+7435 10 45 51 59.5 353.5 0.8 162.4 12 495 23 32 20 23 33 20 =0950+748 10 46 51 59.5 353.4 0.8 162.1 60 499 23 32 24 23 33 40 RBS797 10 47 11 57.6 353.6 1.0 160.4 12 499 23 33 40 23 37 10 --- 10 50 42 57.5 353.2 1.0 159.2 210 513 23 33 44 Schedule for MEDICINA (Code Mc ) Page 6 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 26 Feb 2014 Day 57 --- 23 37 50 J0954+7435 10 51 22 59.4 352.8 0.9 160.5 32 513 23 37 50 23 38 50 =0950+748 10 52 22 59.3 352.7 0.9 160.2 60 516 23 37 54 23 44 41 3C345 10 58 14 28.9 421.2 -5.8 -54.4 257 516 23 44 41 23 49 28 --- 11 03 02 29.7 421.8 -5.7 -54.9 287 535 23 44 45 23 55 30 J0954+7435 11 09 04 58.9 350.7 1.2 154.4 263 535 23 55 30 23 57 00 =0950+748 11 10 34 58.9 350.5 1.2 153.9 90 541 23 55 34 --- Start: Wed 26 Feb 2014 Day 57 -- Stop: Thu 27 Feb 2014 Day 58 --- 23 57 20 RBS797 11 10 55 57.1 351.2 1.4 152.6 12 541 23 57 20 00 00 50 --- 11 14 25 57.0 350.9 1.4 151.5 210 554 23 57 24 00 01 30 J0954+7435 11 15 05 58.7 350.0 1.3 152.4 32 554 00 01 30 00 02 30 =0950+748 11 16 05 58.7 349.9 1.3 152.0 60 558 00 01 34 00 02 50 RBS797 11 16 25 56.9 350.7 1.5 150.8 12 558 00 02 50 00 06 20 --- 11 19 56 56.8 350.4 1.5 149.7 210 571 00 02 54 00 06 40 J0954+7435 11 20 16 58.6 349.4 1.4 150.6 12 571 00 06 40 00 07 40 =0950+748 11 21 16 58.5 349.3 1.4 150.3 60 575 00 06 44 00 08 00 RBS797 11 21 36 56.7 350.2 1.5 149.2 12 575 00 08 00 00 11 30 --- 11 25 07 56.6 349.9 1.6 148.0 210 589 00 08 04 00 12 10 J0954+7435 11 25 47 58.4 348.8 1.5 148.8 32 589 00 12 10 00 13 10 =0950+748 11 26 47 58.4 348.7 1.5 148.4 60 592 00 12 14 00 13 30 RBS797 11 27 07 56.6 349.7 1.6 147.4 12 592 00 13 30 00 17 00 --- 11 30 38 56.5 349.4 1.7 146.3 210 606 00 13 34 00 17 20 J0954+7435 11 30 58 58.2 348.3 1.6 147.1 12 606 00 17 20 00 18 20 =0950+748 11 31 58 58.2 348.2 1.6 146.7 60 610 00 17 24 00 18 40 RBS797 11 32 18 56.4 349.2 1.7 145.8 12 610 00 18 40 00 22 10 --- 11 35 49 56.3 348.9 1.8 144.6 210 623 00 18 44 00 22 50 J0954+7435 11 36 29 58.0 347.7 1.7 145.2 32 623 00 22 50 00 23 50 =0950+748 11 37 29 58.0 347.6 1.7 144.9 60 627 00 22 54 00 24 10 RBS797 11 37 49 56.2 348.8 1.8 144.0 12 627 00 24 10 00 27 40 --- 11 41 20 56.1 348.5 1.9 142.9 210 640 00 24 14 Schedule for MEDICINA (Code Mc ) Page 7 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 00 28 00 J0954+7435 11 41 40 57.8 347.2 1.8 143.5 12 640 00 28 00 00 29 00 =0950+748 11 42 40 57.8 347.1 1.8 143.2 60 644 00 28 04 00 29 20 RBS797 11 43 00 56.0 348.3 1.9 142.4 12 644 00 29 20 00 32 50 --- 11 46 30 55.9 348.0 2.0 141.3 210 658 00 29 24 00 33 30 J0954+7435 11 47 10 57.6 346.6 1.8 141.8 32 658 00 33 30 00 34 30 =0950+748 11 48 11 57.5 346.5 1.9 141.4 60 662 00 33 34 00 34 50 RBS797 11 48 31 55.8 347.9 2.0 140.7 12 662 00 34 50 00 38 20 --- 11 52 01 55.7 347.6 2.1 139.6 210 675 00 34 54 00 38 40 J0954+7435 11 52 21 57.4 346.1 1.9 140.1 12 675 00 38 40 00 39 40 =0950+748 11 53 21 57.3 346.0 2.0 139.8 60 679 00 38 44 00 40 00 RBS797 11 53 42 55.6 347.4 2.1 139.1 12 679 00 40 00 00 43 30 --- 11 57 12 55.5 347.2 2.1 138.0 210 692 00 40 04 00 44 10 J0954+7435 11 57 52 57.1 345.6 2.0 138.3 32 692 00 44 10 00 45 10 =0950+748 11 58 52 57.1 345.5 2.0 138.0 60 696 00 44 14 00 45 30 RBS797 11 59 12 55.4 347.0 2.2 137.4 12 696 00 45 30 00 49 00 --- 12 02 43 55.3 346.8 2.2 136.3 210 710 00 45 34 00 49 20 J0954+7435 12 03 03 56.9 345.1 2.1 136.7 12 710 00 49 20 00 50 20 =0950+748 12 04 03 56.8 345.0 2.1 136.4 60 713 00 49 24 00 50 40 RBS797 12 04 23 55.2 346.6 2.3 135.8 12 713 00 50 40 00 54 10 --- 12 07 54 55.1 346.4 2.3 134.7 210 727 00 50 44 00 54 50 J0954+7435 12 08 34 56.6 344.6 2.2 134.9 32 727 00 54 50 00 55 50 =0950+748 12 09 34 56.6 344.6 2.2 134.6 60 731 00 54 54 00 56 10 RBS797 12 09 54 55.0 346.2 2.4 134.1 12 731 00 56 10 00 59 40 --- 12 13 25 54.8 346.0 2.4 133.1 210 744 00 56 14 01 00 00 J0954+7435 12 13 45 56.4 344.2 2.3 133.3 12 744 01 00 00 01 01 00 =0950+748 12 14 45 56.3 344.1 2.3 133.0 60 748 01 00 04 01 01 20 RBS797 12 15 05 54.8 345.9 2.4 132.6 12 748 01 01 20 01 04 50 --- 12 18 36 54.6 345.6 2.5 131.5 210 761 01 01 24 01 05 30 J0954+7435 12 19 16 56.1 343.8 2.4 131.6 32 761 01 05 30 01 06 30 =0950+748 12 20 16 56.1 343.7 2.4 131.3 60 765 01 05 34 Schedule for MEDICINA (Code Mc ) Page 8 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 01 06 50 RBS797 12 20 36 54.5 345.5 2.5 130.9 12 765 01 06 50 01 10 20 --- 12 24 07 54.4 345.3 2.6 129.9 210 779 01 06 54 01 10 40 J0954+7435 12 24 27 55.8 343.4 2.5 130.1 12 779 01 10 40 01 11 40 =0950+748 12 25 27 55.8 343.3 2.5 129.7 60 783 01 10 44 01 12 00 RBS797 12 25 47 54.3 345.1 2.6 129.4 12 783 01 12 00 01 15 30 --- 12 29 17 54.1 344.9 2.7 128.4 210 796 01 12 04 01 16 10 J0954+7435 12 29 57 55.6 342.9 2.6 128.4 32 796 01 16 10 01 17 10 =0950+748 12 30 58 55.5 342.9 2.6 128.1 60 800 01 16 14 01 17 30 RBS797 12 31 18 54.0 344.8 2.7 127.8 12 800 01 17 30 01 21 00 --- 12 34 48 53.9 344.6 2.8 126.7 210 813 01 17 34 01 21 20 J0954+7435 12 35 08 55.3 342.6 2.6 126.8 12 813 01 21 20 01 22 20 =0950+748 12 36 08 55.2 342.5 2.7 126.5 60 817 01 21 24 01 22 40 RBS797 12 36 29 53.8 344.5 2.8 126.3 12 817 01 22 40 01 26 10 --- 12 39 59 53.6 344.3 2.9 125.2 210 831 01 22 44 01 26 50 J0954+7435 12 40 39 55.0 342.2 2.7 125.2 33 831 01 26 50 01 27 50 =0950+748 12 41 39 54.9 342.1 2.8 124.9 60 834 01 26 54 01 28 10 RBS797 12 41 59 53.5 344.2 2.9 124.7 13 834 01 28 10 01 31 40 --- 12 45 30 53.3 344.0 2.9 123.7 210 848 01 28 14 01 32 00 J0954+7435 12 45 50 54.7 341.9 2.8 123.7 13 848 01 32 00 01 33 00 =0950+748 12 46 50 54.6 341.8 2.8 123.4 60 852 01 32 04 01 33 20 RBS797 12 47 10 53.3 343.9 3.0 123.2 13 852 01 33 20 01 36 50 --- 12 50 41 53.1 343.7 3.0 122.2 210 865 01 33 24 01 37 30 J0954+7435 12 51 21 54.4 341.5 2.9 122.1 33 865 01 37 30 01 38 30 =0950+748 12 52 21 54.3 341.5 2.9 121.8 60 869 01 37 34 01 38 50 RBS797 12 52 41 53.0 343.6 3.1 121.6 13 869 01 38 50 01 42 20 --- 12 56 12 52.8 343.4 3.1 120.6 210 882 01 38 54 01 42 40 J0954+7435 12 56 32 54.1 341.2 3.0 120.6 13 882 01 42 40 01 43 40 =0950+748 12 57 32 54.0 341.1 3.0 120.3 60 886 01 42 44 01 44 00 RBS797 12 57 52 52.7 343.3 3.2 120.1 13 886 01 44 00 01 47 30 --- 13 01 23 52.5 343.2 3.2 119.1 210 900 01 44 04 Schedule for MEDICINA (Code Mc ) Page 9 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 01 48 10 J0954+7435 13 02 03 53.8 340.9 3.1 119.0 33 900 01 48 10 01 49 10 =0950+748 13 03 03 53.7 340.8 3.1 118.7 60 903 01 48 14 01 49 30 RBS797 13 03 23 52.4 343.1 3.2 118.6 13 903 01 49 30 01 53 00 --- 13 06 54 52.3 342.9 3.3 117.6 210 917 01 49 34 01 53 20 J0954+7435 13 07 14 53.5 340.6 3.2 117.5 13 917 01 53 20 01 54 20 =0950+748 13 08 14 53.4 340.6 3.2 117.2 60 921 01 53 24 01 54 40 RBS797 13 08 34 52.2 342.8 3.3 117.1 13 921 01 54 40 01 58 10 --- 13 12 04 52.0 342.7 3.4 116.2 210 934 01 54 44 01 58 50 J0954+7435 13 12 44 53.1 340.3 3.3 116.0 33 934 01 58 50 01 59 50 =0950+748 13 13 45 53.1 340.3 3.3 115.7 60 938 01 58 54 02 00 10 RBS797 13 14 05 51.9 342.6 3.4 115.6 13 938 02 00 10 02 03 40 --- 13 17 35 51.7 342.5 3.5 114.7 210 951 02 00 14 02 04 00 J0954+7435 13 17 55 52.8 340.1 3.4 114.5 13 951 02 04 00 02 05 00 =0950+748 13 18 55 52.8 340.1 3.4 114.2 60 955 02 04 04 02 05 20 RBS797 13 19 16 51.6 342.4 3.5 114.2 13 955 02 05 20 02 08 50 --- 13 22 46 51.4 342.3 3.6 113.2 210 969 02 05 24 02 09 30 J0954+7435 13 23 26 52.5 339.9 3.5 113.0 33 969 02 09 30 02 10 30 =0950+748 13 24 26 52.4 339.8 3.5 112.7 60 973 02 09 34 02 17 42 3C345 13 31 40 54.7 440.5 -3.2 -66.2 295 973 02 17 42 02 21 42 --- 13 35 40 55.4 441.1 -3.1 -66.4 240 988 02 17 46 02 29 02 J0954+7435 13 43 02 51.3 339.1 3.8 107.7 301 988 02 29 02 02 30 32 =0950+748 13 44 32 51.2 339.1 3.8 107.3 90 994 02 29 06 02 30 52 RBS797 13 44 52 50.2 341.5 3.9 107.3 13 994 02 30 52 02 34 22 --- 13 48 23 50.0 341.4 4.0 106.4 210 1007 02 30 56 02 35 02 J0954+7435 13 49 03 50.9 338.9 3.9 106.1 33 1007 02 35 02 02 36 02 =0950+748 13 50 03 50.8 338.9 3.9 105.8 60 1011 02 35 06 02 36 22 RBS797 13 50 23 49.9 341.4 4.0 105.9 13 1011 02 36 22 02 39 52 --- 13 53 54 49.7 341.3 4.1 104.9 210 1024 02 36 26 02 40 12 J0954+7435 13 54 14 50.6 338.8 4.0 104.7 13 1024 02 40 12 02 41 12 =0950+748 13 55 14 50.5 338.8 4.0 104.5 60 1028 02 40 16 Schedule for MEDICINA (Code Mc ) Page 10 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 02 41 32 RBS797 13 55 34 49.6 341.3 4.1 104.5 13 1028 02 41 32 02 45 02 --- 13 59 05 49.4 341.2 4.2 103.6 210 1042 02 41 36 02 45 42 J0954+7435 13 59 45 50.2 338.6 4.1 103.3 33 1042 02 45 42 02 46 42 =0950+748 14 00 45 50.1 338.6 4.1 103.0 60 1046 02 45 46 02 47 02 RBS797 14 01 05 49.3 341.1 4.2 103.1 13 1046 02 47 02 02 50 32 --- 14 04 35 49.1 341.1 4.3 102.2 210 1059 02 47 06 02 50 52 J0954+7435 14 04 56 49.9 338.5 4.1 102.0 13 1059 02 50 52 02 51 52 =0950+748 14 05 56 49.8 338.5 4.2 101.7 60 1063 02 50 56 02 52 12 RBS797 14 06 16 49.0 341.0 4.3 101.7 13 1063 02 52 12 02 55 42 --- 14 09 46 48.8 341.0 4.4 100.8 210 1076 02 52 16 02 56 22 J0954+7435 14 10 26 49.5 338.4 4.2 100.5 33 1076 02 56 22 02 57 22 =0950+748 14 11 27 49.4 338.4 4.3 100.3 60 1080 02 56 26 02 57 42 RBS797 14 11 47 48.6 341.0 4.4 100.3 13 1080 02 57 42 03 01 12 --- 14 15 17 48.4 340.9 4.4 99.4 210 1094 02 57 46 03 01 32 J0954+7435 14 15 37 49.2 338.3 4.3 99.2 13 1094 03 01 32 03 02 32 =0950+748 14 16 37 49.1 338.3 4.3 99.0 60 1097 03 01 36 03 02 52 RBS797 14 16 58 48.3 340.9 4.5 99.0 13 1097 03 02 52 03 06 22 --- 14 20 28 48.1 340.8 4.5 98.1 210 1111 03 02 56 03 07 02 J0954+7435 14 21 08 48.8 338.2 4.4 97.8 33 1111 03 07 02 03 08 02 =0950+748 14 22 08 48.7 338.2 4.4 97.6 60 1115 03 07 06 03 08 22 RBS797 14 22 28 48.0 340.8 4.6 97.6 13 1115 03 08 22 03 11 52 --- 14 25 59 47.8 340.8 4.6 96.7 210 1128 03 08 26 03 12 12 J0954+7435 14 26 19 48.5 338.2 4.5 96.5 13 1128 03 12 12 03 13 12 =0950+748 14 27 19 48.4 338.2 4.5 96.3 60 1132 03 12 16 03 13 32 RBS797 14 27 39 47.7 340.7 4.6 96.3 13 1132 03 13 32 03 17 02 --- 14 31 10 47.5 340.7 4.7 95.5 210 1145 03 13 36 03 17 42 J0954+7435 14 31 50 48.1 338.1 4.6 95.2 33 1145 03 17 42 03 18 42 =0950+748 14 32 50 48.0 338.1 4.6 94.9 60 1149 03 17 46 03 19 02 RBS797 14 33 10 47.4 340.7 4.7 95.0 13 1149 03 19 02 03 22 32 --- 14 36 41 47.2 340.7 4.8 94.1 210 1163 03 19 06 Schedule for MEDICINA (Code Mc ) Page 11 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 03 22 52 J0954+7435 14 37 01 47.7 338.1 4.7 93.9 13 1163 03 22 52 03 23 52 =0950+748 14 38 01 47.7 338.1 4.7 93.6 60 1167 03 22 56 03 24 12 RBS797 14 38 21 47.1 340.7 4.8 93.7 13 1167 03 24 12 03 27 42 --- 14 41 52 46.9 340.7 4.9 92.8 210 1180 03 24 16 03 28 22 J0954+7435 14 42 32 47.4 338.1 4.8 92.5 33 1180 03 28 22 03 29 22 =0950+748 14 43 32 47.3 338.0 4.8 92.3 60 1184 03 28 26 03 29 42 RBS797 14 43 52 46.7 340.6 4.9 92.3 13 1184 03 29 42 03 33 12 --- 14 47 22 46.5 340.6 5.0 91.5 210 1197 03 29 46 03 33 32 J0954+7435 14 47 43 47.0 338.0 4.9 91.3 13 1197 03 33 32 03 34 32 =0950+748 14 48 43 47.0 338.0 4.9 91.0 60 1201 03 33 36 03 34 52 RBS797 14 49 03 46.4 340.6 5.0 91.0 13 1201 03 34 52 03 38 22 --- 14 52 33 46.2 340.6 5.1 90.2 210 1215 03 34 56 03 39 02 J0954+7435 14 53 13 46.7 338.0 5.0 89.9 33 1215 03 39 02 03 40 02 =0950+748 14 54 14 46.6 338.0 5.0 89.7 60 1218 03 39 06 03 40 22 RBS797 14 54 34 46.1 340.6 5.1 89.7 13 1218 03 40 22 03 43 52 --- 14 58 04 45.9 340.6 5.2 88.9 210 1232 03 40 26 03 44 12 J0954+7435 14 58 24 46.3 338.0 5.0 88.7 13 1232 03 44 12 03 45 12 =0950+748 14 59 24 46.3 338.0 5.1 88.5 60 1236 03 44 16 03 45 32 RBS797 14 59 45 45.8 340.6 5.2 88.4 13 1236 03 45 32 03 49 02 --- 15 03 15 45.6 340.6 5.2 87.6 210 1249 03 45 36 03 49 42 J0954+7435 15 03 55 46.0 338.1 5.1 87.4 33 1249 03 49 42 03 50 42 =0950+748 15 04 55 45.9 338.1 5.1 87.1 60 1253 03 49 46 03 51 02 RBS797 15 05 15 45.5 340.7 5.3 87.1 13 1253 03 51 02 03 54 32 --- 15 08 46 45.3 340.7 5.3 86.3 210 1266 03 51 06 03 54 52 J0954+7435 15 09 06 45.6 338.1 5.2 86.2 13 1266 03 54 52 03 55 52 =0950+748 15 10 06 45.5 338.1 5.2 85.9 60 1270 03 54 56 03 56 12 RBS797 15 10 26 45.2 340.7 5.4 85.9 13 1270 03 56 12 03 59 42 --- 15 13 57 45.0 340.7 5.4 85.0 210 1284 03 56 16 04 00 22 J0954+7435 15 14 37 45.2 338.1 5.3 84.9 33 1284 04 00 22 04 01 22 =0950+748 15 15 37 45.2 338.1 5.3 84.6 60 1287 04 00 26 Schedule for MEDICINA (Code Mc ) Page 12 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 04 01 42 RBS797 15 15 57 44.9 340.7 5.5 84.6 13 1287 04 01 42 04 05 12 --- 15 19 28 44.6 340.7 5.5 83.7 210 1301 04 01 46 04 05 32 J0954+7435 15 19 48 44.9 338.2 5.4 83.6 13 1301 04 05 32 04 06 32 =0950+748 15 20 48 44.8 338.2 5.4 83.4 60 1305 04 05 36 04 06 52 RBS797 15 21 08 44.5 340.8 5.5 83.3 13 1305 04 06 52 04 10 22 --- 15 24 39 44.3 340.8 5.6 82.5 210 1318 04 06 56 04 11 02 J0954+7435 15 25 19 44.5 338.2 5.5 82.4 33 1318 04 11 02 04 12 02 =0950+748 15 26 19 44.5 338.2 5.5 82.1 60 1322 04 11 06 04 12 22 RBS797 15 26 39 44.2 340.8 5.6 82.0 13 1322 04 12 22 04 15 52 --- 15 30 09 44.0 340.9 5.7 81.2 210 1335 04 12 26 04 16 12 J0954+7435 15 30 30 44.2 338.3 5.6 81.2 13 1335 04 16 12 04 17 12 =0950+748 15 31 30 44.1 338.3 5.6 80.9 60 1339 04 16 16 04 17 32 RBS797 15 31 50 43.9 340.9 5.7 80.8 13 1339 04 17 32 04 21 02 --- 15 35 20 43.7 340.9 5.8 80.0 210 1353 04 17 36 04 21 42 J0954+7435 15 36 00 43.8 338.4 5.7 79.9 33 1353 04 21 42 04 22 42 =0950+748 15 37 01 43.8 338.4 5.7 79.7 60 1357 04 21 46 04 23 02 RBS797 15 37 21 43.6 341.0 5.8 79.5 13 1357 04 23 02 04 26 32 --- 15 40 51 43.4 341.0 5.9 78.7 210 1370 04 23 06 04 26 52 J0954+7435 15 41 11 43.5 338.5 5.8 78.7 13 1370 04 26 52 04 27 52 =0950+748 15 42 11 43.4 338.5 5.8 78.5 60 1374 04 26 56 04 28 12 RBS797 15 42 32 43.3 341.0 5.9 78.3 13 1374 04 28 12 04 31 42 --- 15 46 02 43.1 341.1 6.0 77.5 210 1387 04 28 16 04 32 22 J0954+7435 15 46 42 43.1 338.6 5.8 77.4 33 1387 04 32 22 04 33 22 =0950+748 15 47 42 43.1 338.6 5.9 77.2 60 1391 04 32 26 04 33 42 RBS797 15 48 02 43.0 341.1 6.0 77.1 13 1391 04 33 42 04 37 12 --- 15 51 33 42.8 341.2 6.0 76.3 210 1405 04 33 46 04 37 32 J0954+7435 15 51 53 42.8 338.7 5.9 76.3 13 1405 04 37 32 04 38 32 =0950+748 15 52 53 42.7 338.7 5.9 76.0 60 1408 04 37 36 04 38 52 RBS797 15 53 13 42.7 341.2 6.1 75.9 13 1408 04 38 52 04 42 22 --- 15 56 44 42.5 341.3 6.1 75.1 210 1422 04 38 56 Schedule for MEDICINA (Code Mc ) Page 13 Is there a Binary Black Hole system in the BCG of RBS 797 ? 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 27 Feb 2014 Day 58 --- 04 43 02 J0954+7435 15 57 24 42.4 338.8 6.0 75.0 33 1422 04 43 02 04 44 02 =0950+748 15 58 24 42.4 338.8 6.0 74.8 60 1426 04 43 06 04 44 22 RBS797 15 58 44 42.4 341.3 6.2 74.6 13 1426 04 44 22 04 47 52 --- 16 02 15 42.2 341.4 6.2 73.8 210 1439 04 44 26 04 48 12 J0954+7435 16 02 35 42.1 338.9 6.1 73.9 13 1439 04 48 12 04 49 12 =0950+748 16 03 35 42.0 339.0 6.1 73.6 60 1443 04 48 16 04 49 32 RBS797 16 03 55 42.1 341.5 6.3 73.4 13 1443 04 49 32 04 53 02 --- 16 07 26 41.9 341.5 6.3 72.6 210 1456 04 49 36 04 53 42 J0954+7435 16 08 06 41.7 339.1 6.2 72.6 33 1456 04 53 42 04 54 42 =0950+748 16 09 06 41.7 339.1 6.2 72.4 60 1460 04 53 46 04 55 02 RBS797 16 09 26 41.8 341.6 6.3 72.2 13 1460 04 55 02 04 58 32 --- 16 12 57 41.6 341.7 6.4 71.4 210 1474 04 55 06 04 58 52 J0954+7435 16 13 17 41.4 339.2 6.3 71.5 13 1474 04 58 52 04 59 52 =0950+748 16 14 17 41.4 339.3 6.3 71.3 60 1478 04 58 56 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess114.L1024 Matching groups in /irasoft/sched-11.1beta/catalogs/freq.dat: mc18cm updated from Maccaferri (CR 2Dec00) ****** Only 160.00 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 12 Station: MEDICINA Total bit rate: 512 Format: MKIV1:4 Bits per sample: 1 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 Net SB= 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 Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 315.49 315.49 315.49 315.49 347.49 347.49 347.49 347.49 379.49 379.49 379.49 379.49 411.49 411.49 411.49 411.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 2 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * RBS797 09 42 04.064047 * 09 47 12.760000 09 48 43.616187 0.00 76 37 05.87934 * 76 23 13.74000 76 19 09.27095 0.00 From catalog imbedded in main SCHED input file. * J0954+7435 09 50 04.561123 * 09 54 47.442227 09 56 10.759660 4.94 0950+748 74 50 07.76577 * 74 35 57.14561 74 31 47.02051 0.94 /irasoft/sched-11.1beta/catalogs/sources.vlba GSFC 2011B astro solution 36 Observations J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 27.583363 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 46 51.37192 0.52 1641+399 /irasoft/sched-11.1beta/catalogs/sources.vlba J1642+39 GSFC 2011B astro solution 52621 Observations 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 RBS797 sess114.L1024 1 2 3 4 5 6 7 10 11 12 4.783 310.980 J0954+7435 sess114.L1024 1 2 3 4 5 6 7 10 11 12 1.483 89.151 3C345 sess114.L1024 1 2 3 4 5 6 7 10 11 12 0.146 8.784 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) RBS797 111.8 J0954+7435 113.6 3C345 94.7 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