COVER INFORMATION Station: HART (Code Hh ) Experiment: Arp220 OH-Megamaser Exp. Code: EB022 Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Willem Baan Address: ASTRON, Radiosterrenwacht Dwingeloo Postbus 2, 7990 AA Dwingeloo The Netherlands Phone: +31 521 595 128 EMAIL: willem@nfra.nl Fax: +31 521 597 332 Phone during observation: +31 528 595 128 Observing mode: VLBA/MKIV Notes: SCHEDULE USE MODIFIED EB022stations.dat FILE AZIMUTH LIMITS FOR EF CHANGED, E-MAIL FROM D. GRAHAM 16.01.2003 Schedule for HART (Code Hh ) Page 2 Arp220 OH-Megamaser UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 24 May 2003 Day 144 --- Next scan frequencies: 1632.99 1632.99 1640.99 1640.99 Next BBC frequencies: 122.99 122.99 130.99 130.99 Next scan bandwidths: 8.00 8.00 8.00 8.00 18 00 00 ARP220 11 58 26 18.0 51.4 -3.6 0.0 0 1 1 0 18 00 00 18 05 00 --- 12 03 27 18.9 50.6 -3.5 0.0 300 F 1 2000 18 05 00 ARP220 12 03 27 18.9 50.6 -3.5 0.0 -2 1 1 2000 18 05 00 18 10 00 --- 12 08 28 19.7 49.8 -3.4 0.0 298 F 1 4000 18 10 00 J1516+1932 12 08 28 25.5 50.0 -3.1 0.0 -11 1 1 4000 18 10 00 18 16 00 =1514+197 12 14 29 26.5 48.9 -3.0 0.0 349 F 1 6400 18 16 00 ARP220 12 14 29 20.8 48.9 -3.3 0.0 -11 1 1 6400 18 16 00 18 20 00 --- 12 18 30 21.4 48.2 -3.3 0.0 229 F 1 8000 18 20 00 ARP220 12 18 30 21.4 48.2 -3.3 0.0 -2 1 1 8000 18 20 00 18 32 00 --- 12 30 32 23.4 46.1 -3.1 0.0 718 F 1 12800 18 32 00 ARP220 12 30 32 23.4 46.1 -3.1 0.0 -2 1 1 12800 18 32 00 18 44 00 --- 12 42 34 25.3 43.9 -2.9 0.0 718 F 1 17600 18 45 20 J1613+3412 12 43 54 12.0 42.1 -3.5 0.0 57 1 2 17600 18 45 20 18 52 20 =1611+343 12 50 55 13.0 41.1 -3.4 0.0 420 R 1 14800 18 53 40 ARP220 12 52 15 26.8 42.1 -2.7 0.0 57 1 2 14800 18 53 40 19 02 40 --- 13 01 17 28.2 40.3 -2.6 0.0 540 R 1 11200 19 04 00 J1516+1932 13 02 37 34.1 39.1 -2.2 0.0 68 1 2 11200 19 04 00 19 07 00 =1514+197 13 05 37 34.5 38.4 -2.2 0.0 180 R 1 10000 19 08 20 ARP220 13 06 58 29.0 39.2 -2.5 0.0 70 1 2 10000 19 08 20 19 21 20 --- 13 20 00 30.8 36.4 -2.3 0.0 780 R 1 4800 19 22 40 ARP220 13 21 20 31.0 36.1 -2.2 0.0 77 1 2 4800 19 22 40 19 34 40 --- 13 33 22 32.5 33.4 -2.0 0.0 720 R 1 0 19 36 00 ARP220 13 34 42 32.7 33.1 -2.0 0.0 77 1 3 0 19 36 00 19 51 00 --- 13 49 45 34.4 29.6 -1.8 0.0 900 F 1 6000 19 52 20 J1613+3412 13 51 05 21.0 31.1 -2.4 0.0 57 1 3 6000 19 52 20 19 59 20 =1611+343 13 58 06 21.8 29.8 -2.3 0.0 420 F 1 8800 Schedule for HART (Code Hh ) Page 3 Arp220 OH-Megamaser UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 24 May 2003 Day 144 --- 20 00 40 ARP220 13 59 26 35.5 27.2 -1.6 0.0 57 1 3 8800 20 00 40 20 12 40 --- 14 11 28 36.6 24.1 -1.4 0.0 720 F 1 13600 20 14 00 ARP220 14 12 48 36.8 23.7 -1.4 0.0 77 1 3 13600 20 14 00 20 24 00 --- 14 22 50 37.6 21.0 -1.2 0.0 600 F 1 17600 20 27 00 OQ208 14 25 50 35.5 355.0 0.3 0.0 133 1 4 17600 20 27 00 20 33 00 --- 14 31 51 35.3 353.3 0.4 0.0 360 R 1 15200 20 36 00 OQ208 14 34 52 35.3 352.5 0.5 0.0 176 1 4 15200 20 36 00 20 42 00 --- 14 40 53 35.1 350.9 0.6 0.0 360 R 1 12800 20 45 00 OQ208 14 43 53 35.0 350.1 0.6 0.0 176 1 4 12800 20 45 00 20 51 00 --- 14 49 54 34.7 348.6 0.7 0.0 360 R 1 10400 20 54 00 ARP220 14 52 55 39.6 12.6 -0.7 0.0 136 1 4 10400 20 54 00 21 03 00 --- 15 01 56 40.0 9.9 -0.6 0.0 540 R 1 6800 21 06 00 J1613+3412 15 04 57 27.7 16.1 -1.1 0.0 157 1 4 6800 21 06 00 21 13 00 =1611+343 15 11 58 28.1 14.5 -1.0 0.0 420 R 1 4000 21 16 00 ARP220 15 14 58 40.4 6.1 -0.3 0.0 157 1 4 4000 21 16 00 21 23 00 --- 15 22 00 40.5 4.0 -0.2 0.0 420 R 1 1200 21 24 20 J1516+1932 15 23 20 44.6 357.9 0.1 0.0 68 1 4 1200 21 24 20 21 27 20 =1514+197 15 26 20 44.5 356.9 0.2 0.0 180 R 1 0 21 28 40 ARP220 15 27 41 40.6 2.2 -0.1 0.0 70 1 5 0 21 28 40 21 38 40 --- 15 37 42 40.6 359.2 0.0 0.0 600 F 1 4000 21 40 00 ARP220 15 39 02 40.6 358.8 0.1 0.0 77 1 5 4000 21 40 00 21 50 00 --- 15 49 04 40.5 355.8 0.2 0.0 600 F 1 8000 21 51 20 ARP220 15 50 24 40.5 355.4 0.3 0.0 77 1 5 8000 21 51 20 22 01 20 --- 16 00 26 40.2 352.4 0.4 0.0 600 F 1 12000 22 02 40 J1613+3412 16 01 46 29.8 2.9 -0.2 0.0 57 1 5 12000 22 02 40 22 09 40 =1611+343 16 08 47 29.9 1.2 -0.1 0.0 420 F 1 14800 22 11 00 ARP220 16 10 08 39.9 349.5 0.6 0.0 57 1 5 14800 22 11 00 22 15 00 --- 16 14 08 39.7 348.3 0.7 0.0 240 F 1 16400 22 16 20 ARP220 16 15 28 39.7 348.0 0.7 0.0 77 1 6 16400 22 16 20 22 26 20 --- 16 25 30 39.1 345.1 0.8 0.0 600 R 1 12400 Schedule for HART (Code Hh ) Page 4 Arp220 OH-Megamaser UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sat 24 May 2003 Day 144 --- 22 27 40 ARP220 16 26 50 39.1 344.7 0.9 0.0 77 1 6 12400 22 27 40 22 32 40 --- 16 31 51 38.7 343.3 0.9 0.0 300 R 1 10400 22 34 00 J1516+1932 16 33 11 41.0 336.0 1.3 0.0 68 1 6 10400 22 34 00 22 37 00 =1514+197 16 36 12 40.7 335.1 1.3 0.0 180 R 1 9200 22 38 20 ARP220 16 37 32 38.4 341.7 1.0 0.0 70 1 6 9200 22 38 20 22 48 20 --- 16 47 34 37.6 338.9 1.2 0.0 600 R 1 5200 22 49 40 J1613+3412 16 48 54 29.3 351.7 0.6 0.0 57 1 6 5200 22 49 40 22 56 40 =1611+343 16 55 55 29.1 350.0 0.7 0.0 420 R 1 2400 22 58 00 ARP220 16 57 15 36.8 336.3 1.4 0.0 57 1 7 2400 22 58 00 23 07 00 --- 17 06 17 35.9 334.0 1.5 0.0 540 F 1 6000 23 08 20 ARP220 17 07 37 35.8 333.6 1.5 0.0 77 1 7 6000 23 08 20 23 18 20 --- 17 17 39 34.7 331.1 1.7 0.0 600 F 1 10000 23 19 40 ARP220 17 18 59 34.6 330.8 1.7 0.0 77 1 7 10000 23 19 40 23 31 40 --- 17 31 01 33.2 327.9 1.9 0.0 720 F 1 14800 23 33 00 J1613+3412 17 32 21 27.1 341.8 1.3 0.0 57 1 7 14800 23 33 00 23 40 00 =1611+343 17 39 22 26.6 340.3 1.4 0.0 420 F 1 17600 23 41 20 ARP220 17 40 42 32.0 325.7 2.1 0.0 57 1 8 17600 23 41 20 23 53 20 --- 17 52 44 30.4 323.1 2.3 0.0 720 R 1 12800 23 54 40 J1516+1932 17 54 05 30.7 316.1 2.6 0.0 68 1 8 12800 23 54 40 23 57 40 =1514+197 17 57 05 30.2 315.5 2.7 0.0 180 R 1 11600 --- Sun 25 May 2003 Day 145 --- 00 00 40 OQ208 18 00 06 12.0 310.1 3.9 0.0 142 1 8 11600 00 00 40 00 12 40 --- 18 12 08 9.9 308.5 4.1 0.0 720 R 1 6800 00 30 40 ARP220 18 30 10 24.9 315.6 2.9 0.0 1043 1 8 6800 00 30 40 00 39 40 --- 18 39 12 23.5 314.0 3.1 0.0 540 R 1 3200 00 42 40 ARP220 18 42 12 23.0 313.4 3.1 0.0 176 1 9 3200 00 42 40 00 52 40 --- 18 52 14 21.4 311.7 3.3 0.0 600 F 1 7200 00 54 00 J1613+3412 18 53 34 19.0 325.8 2.7 0.0 57 1 9 7200 00 54 00 01 01 00 =1611+343 19 00 35 18.1 324.6 2.8 0.0 420 F 1 10000 Schedule for HART (Code Hh ) Page 5 Arp220 OH-Megamaser UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 25 May 2003 Day 145 --- 01 02 20 ARP220 19 01 56 19.7 310.1 3.4 0.0 57 1 9 10000 01 02 20 01 14 20 --- 19 13 58 17.6 308.2 3.6 0.0 720 F 1 14800 01 15 40 ARP220 19 15 18 17.4 308.0 3.7 0.0 77 1 10 14800 01 15 40 01 27 40 --- 19 27 20 15.2 306.2 3.9 0.0 720 R 1 10000 01 29 00 J1516+1932 19 28 40 13.9 300.2 4.2 0.0 68 1 10 10000 01 29 00 01 32 00 =1514+197 19 31 41 13.3 299.8 4.2 0.0 180 R 1 8800 01 33 20 ARP220 19 33 01 14.2 305.4 4.0 0.0 70 1 10 8800 01 33 20 01 43 20 --- 19 43 02 12.3 304.0 4.1 0.0 600 R 1 4800 01 44 40 ARP220 19 44 23 12.1 303.8 4.2 0.0 77 1 11 4800 01 44 40 01 58 40 --- 19 58 25 9.4 302.0 4.4 0.0 840 F 1 10400 02 00 00 J1613+3412 19 59 45 9.5 315.6 3.8 0.0 57 1 11 10400 02 00 00 02 08 00 =1611+343 20 07 46 8.2 314.6 3.9 0.0 480 F 1 13600 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: Arp220.set Matches group hh18cm in /users/Sofware/Sched2002Jul02a/catalogs/freq.dat Values confirmed by E-mail Jonathan Quick 291100 (CR) Setup group: 11 Station: HART Total bit rate: 128 Format: MKIV1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 135.000 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 1510.00 1510.00 1510.00 1510.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= U U U U IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 11 Setup file default. No pcal detection. LO sum= 1632.99 1632.99 1640.99 1640.99 BBC fr= 122.99 122.99 130.99 130.99 Bandwd= 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- Arp220 OH-Megamaser 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * ARP220 15 32 46.880196 * 15 34 57.224670 15 35 06.767094 23 40 07.99276 * 23 30 11.56400 23 29 29.43400 From catalog imbedded in main SCHED input file. J1407+2827 14 04 45.615151 * 14 07 00.394410 14 07 10.115626 1404+286 28 41 29.23495 * 28 27 14.68998 28 26 21.57706 J1407+28 /users/Sofware/Sched2002Jul02a/catalogs/sources.vlba * OQ208 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1516+1932 15 14 40.985870 * 15 16 56.796192 15 17 06.605717 1514+197 19 43 10.94230 * 19 32 12.99187 19 31 27.45336 J1516+19 /users/Sofware/Sched2002Jul02a/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1613+3412 16 11 47.914256 * 16 13 41.064247 16 13 49.741323 1611+343 34 20 19.83407 * 34 12 47.90909 34 12 13.36071 J1613+34 /users/Sofware/Sched2002Jul02a/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report 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) ARP220 135.1 OQ208 123.1 J1516+1932 138.0 J1613+3412 124.9 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