COVER INFORMATION Station: ARECIBO (Code Ar ) Experiment: Revealing the secrets of the gravitational lens MG J0414+0534 Exp. Code: GW019B Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: O. Wucknitz Address: AIfA, Uni Bonn Auf dem Huegel 71 53121 Bonn Germany Phone: +49 228 73 1772 EMAIL: wucknitz@astro.uni-bonn.de Fax: +49 228 73 1775 Phone during observation: +49 228 36022428 Observing mode: 3.6cm cont. semi phase-ref. J0414+0534 (1024/512 Mb/s) Notes: Two versions for 2/1-bit sampling for 1024/512Mb/s. This one is 2-bit 1024Mb/s for EVN+Ar+DSN Ef: pointing checks before 22:55:20, 01:55:20, 03:55:20, 07:49:0 see end of cover letter for details. COVER LETTER: GW019B MG J0414+0534 at 3.6cm, EVN+VLBA+GBT+Arecibo+Rob+Gold 18 October 2008 20:00 - 19 Oct 2008 15:00 UT (day 292/293) 20:00 - 21:00 EVN 21:00 - 01:00 EVN Rob 01:00 - 02:00 EVN Rob VLBA 02:00 - 04:15 EVN Rob VLBA GBT 04:15 - 05:30 EVN Rob VLBA GBT Gold 05:30 - 07:00 EVN Rob VLBA GBT Gold Ar 07:00 - 08:00 EVN VLBA GBT Gold Ar 08:00 - 12:00 VLBA GBT Gold 12:00 - 13:00 VLBA GBT 13:00 - 15:00 VLBA sources: -------- MG0414 target gravitational lens = J0414+0534 own position between the four images from the VLBA calibrator survey: http://www.vlba.nrao.edu/astro/calib/ J0409+0640 = 0406+065 compact phase-ref 0.18-0.23Jy at 1.70deg distance alternative "phase-ref" source for Arecibo bit J0422+0219 = 0420+022 compact phase-ref 0.83-1.28Jy at 3.85deg distance standard "phase-ref" source J0409+1217 = 0406+121 not very compact phase-ref 0.45-0.86Jy at 6.84deg fringe-finder for Arecibo before MG0414 ? from the VLBA fringe-finder survey: http://www.aoc.nrao.edu/~analysts/vlba/ffs.html 0234+285=J0237+2848 rel. good even on long baselines used for Arecibo 3C84 = J0319+4130 strong only on short baselines, unpolarised, bright! 0528+134 = J0530+1331 fringe-finder good for Arecibo after MG0414 DA193 = J0555+3948 good fringe-finder bright maybe even polarisation p.a.? General strategy: Alternate between target MG0414 and "phase-ref" J0422+0219 with a ~10-15 min cycle. This is no full phase-referencing. Once an hour observe one of the bright fringe-finders/calibrators 3C84, 0528+134, DA193. Scans are split into two with a gap between them. Gaps are 20sec. According to SCHED, Hh does not reach the source within 20sec, but since there are no slews at the gaps, this is not a problem. The SCHED warning about TSYS measurements not being on source for Hh can be ignored. We do not use gaps at the _beginning_ of scans in order to avoid having to wait for the slowest station before TSYS can be measured. (Once we only use VLBA, we keep some gaps for disk changes, now at the beginning of scans. They partly overlap with slewing times.) Special strategy for the 2.5h with Arecibo: Start with 0234+285 as fringe-finder. Then alternate between MG0414 and alternative phase-ref J0409+0640 (closer to target but weaker). At the end (when MG0414 is not accessible from Arecibo anymore), go to 0528+134. For Effelsberg there are >=8min recording gaps that should be used for pointing checks: 22 47 20 - 22 55 20 before MG0414 01 47 20 - 01 55 20 before MG0414 03 47 20 - 03 55 20 before MG0414 07 25 20 - 07 49 00 before 0528+134 (implicit autodown gap) Thanks! Schedule for ARECIBO (Code Ar ) Page 2 Revealing the secrets of the gravitational lens MG J0414+0534 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2008 Day 293 --- Next scan frequencies: 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 Next BBC frequencies: 782.51 782.51 782.51 782.51 750.51 750.51 750.51 750.51 718.51 718.51 718.51 718.51 686.51 686.51 686.51 686.51 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 05 30 00 0234+285 02 55 15 78.8 340.7 0.3 159.0 0 1 1 0 05 30 00 05 35 00 --- 03 00 16 78.4 335.6 0.4 153.4 300 F 1 39 05 30 01 05 35 20 0234+285 03 00 36 78.3 335.3 0.4 153.0 9 1 1 39 05 35 20 05 40 20 --- 03 05 36 77.8 330.6 0.5 147.9 300 F 1 77 05 35 21 05 40 20 J0409+0640 03 05 36 70.5 484.6 -1.1 -51.9 -381 1 1 77 05 40 20 05 47 40 =0406+065 03 12 58 71.9 488.2 -0.9 -48.7 59 F 1 134 05 40 21 05 48 00 J0409+0640 03 13 18 72.0 488.4 -0.9 -48.5 10 1 1 134 05 48 00 05 50 00 =0406+065 03 15 18 72.3 489.4 -0.9 -47.6 120 F 1 150 05 48 01 05 50 00 MG0414 03 15 18 70.6 489.3 -1.0 -47.6 -49 1 1 150 05 50 00 05 55 20 --- 03 20 39 71.6 492.1 -0.9 -45.0 271 F 1 191 05 50 01 05 55 40 MG0414 03 20 59 71.6 492.3 -0.9 -44.9 10 1 1 191 05 55 40 06 01 00 --- 03 26 20 72.6 495.4 -0.8 -42.0 320 F 1 232 05 55 41 06 01 00 J0409+0640 03 26 20 74.2 496.2 -0.7 -41.4 -49 1 1 232 06 01 00 06 03 20 =0406+065 03 28 40 74.6 497.9 -0.7 -39.9 91 F 1 250 06 01 01 06 03 40 J0409+0640 03 29 00 74.7 498.1 -0.7 -39.6 10 1 1 250 06 03 40 06 05 00 =0406+065 03 30 21 74.9 499.1 -0.7 -38.7 80 F 1 261 06 03 41 06 05 00 MG0414 03 30 21 73.2 498.0 -0.7 -39.7 -49 1 1 261 06 05 00 06 10 20 --- 03 35 41 74.0 501.7 -0.7 -36.2 271 F 1 302 06 05 01 06 10 40 MG0414 03 36 01 74.1 502.0 -0.7 -36.0 10 1 1 302 06 10 40 06 16 00 --- 03 41 22 74.8 506.1 -0.6 -32.2 320 F 1 343 06 10 41 06 16 00 J0409+0640 03 41 22 76.4 508.2 -0.5 -30.2 -47 1 1 343 06 16 00 06 18 20 =0406+065 03 43 43 76.7 510.4 -0.4 -28.1 93 F 1 361 06 16 01 Schedule for ARECIBO (Code Ar ) Page 3 Revealing the secrets of the gravitational lens MG J0414+0534 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2008 Day 293 --- 06 18 40 J0409+0640 03 44 03 76.8 510.7 -0.4 -27.8 9 1 1 361 06 18 40 06 20 00 =0406+065 03 45 23 76.9 512.0 -0.4 -26.6 80 F 1 372 06 18 41 06 20 00 MG0414 03 45 23 75.3 509.4 -0.5 -29.0 -46 1 1 372 06 20 00 06 25 20 --- 03 50 44 75.9 514.2 -0.4 -24.5 274 F 1 413 06 20 01 06 25 40 MG0414 03 51 04 76.0 514.5 -0.4 -24.2 9 1 1 413 06 25 40 06 31 00 --- 03 56 25 76.5 519.7 -0.3 -19.3 320 F 1 454 06 25 41 06 31 00 J0409+0640 03 56 25 77.9 523.8 -0.2 -15.5 -43 1 1 454 06 31 00 06 33 20 =0406+065 03 58 45 78.0 526.5 -0.2 -12.9 97 F 1 472 06 31 01 06 33 40 J0409+0640 03 59 05 78.1 526.9 -0.2 -12.5 9 1 1 472 06 33 40 06 35 00 =0406+065 04 00 25 78.1 528.4 -0.2 -11.0 80 F 1 483 06 33 41 06 35 00 MG0414 04 00 25 76.8 523.8 -0.2 -15.4 -41 1 1 483 06 35 00 06 40 20 --- 04 05 46 77.1 529.6 -0.2 -10.0 279 F 1 524 06 35 01 06 40 40 MG0414 04 06 06 77.1 529.9 -0.2 -9.6 9 1 1 524 06 40 40 06 46 00 --- 04 11 27 77.2 535.9 -0.1 -3.9 320 F 1 565 06 40 41 06 46 00 J0409+0640 04 11 27 78.4 541.9 0.0 1.8 -36 1 1 565 06 46 00 06 48 20 =0406+065 04 13 48 78.3 544.7 0.1 4.5 104 F 1 583 06 46 01 06 48 40 J0409+0640 04 14 08 78.3 545.2 0.1 4.9 9 1 1 583 06 48 40 06 50 00 =0406+065 04 15 28 78.3 546.8 0.1 6.5 80 F 1 594 06 48 41 06 50 00 MG0414 04 15 28 77.3 540.4 0.0 0.4 -33 1 1 594 06 50 00 06 55 20 --- 04 20 49 77.2 546.4 0.1 6.1 287 F 1 635 06 50 01 06 55 40 MG0414 04 21 09 77.2 546.8 0.1 6.5 9 1 1 635 06 55 40 07 00 00 --- 04 25 30 77.0 551.6 0.2 11.0 260 F 1 668 06 55 41 07 00 00 MG0414 04 25 30 77.0 551.6 0.2 11.0 -7 1 1 668 07 00 00 07 01 00 --- 04 26 30 77.0 552.6 0.2 12.0 53 F 1 676 07 00 01 07 01 00 J0409+0640 04 26 30 77.7 559.6 0.3 18.7 -28 1 1 676 07 01 00 07 03 20 =0406+065 04 28 50 77.5 562.2 0.3 21.1 112 F 1 694 07 01 01 07 03 40 J0409+0640 04 29 10 77.5 562.5 0.3 21.5 9 1 1 694 07 03 40 07 05 00 =0406+065 04 30 30 77.3 563.9 0.3 22.8 80 F 1 704 07 03 41 07 05 00 MG0414 04 30 30 76.7 556.9 0.3 16.1 -28 1 1 704 07 05 00 07 10 20 --- 04 35 51 76.3 562.3 0.3 21.2 292 F 1 746 07 05 01 Schedule for ARECIBO (Code Ar ) Page 4 Revealing the secrets of the gravitational lens MG J0414+0534 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 19 Oct 2008 Day 293 --- 07 10 40 MG0414 04 36 11 76.3 562.6 0.4 21.5 9 1 1 746 07 10 40 07 16 00 --- 04 41 32 75.7 567.6 0.4 26.3 320 F 1 787 07 10 41 07 16 00 J0409+0640 04 41 32 76.0 574.5 0.5 32.8 -28 1 1 787 07 16 00 07 18 20 =0406+065 04 43 53 75.7 576.5 0.6 34.6 112 F 1 805 07 16 01 07 18 40 J0409+0640 04 44 13 75.7 576.7 0.6 34.9 10 1 1 805 07 18 40 07 20 00 =0406+065 04 45 33 75.5 577.8 0.6 35.9 80 F 1 815 07 18 41 07 20 00 MG0414 04 45 33 75.3 571.2 0.5 29.6 -27 1 1 815 07 20 00 07 25 20 --- 04 50 54 74.6 575.5 0.6 33.6 293 F 1 857 07 20 01 07 25 40 MG0414 04 51 14 74.5 575.8 0.6 33.9 10 1 1 857 07 25 40 07 31 00 --- 04 56 35 73.7 579.7 0.7 37.6 320 F 1 898 07 25 41 07 31 00 J0409+0640 04 56 35 73.7 585.8 0.8 43.2 -26 1 1 898 07 31 00 07 33 20 =0406+065 04 58 55 73.3 587.3 0.8 44.6 114 F 1 916 07 31 01 07 33 40 J0409+0640 04 59 15 73.3 587.5 0.8 44.8 10 1 1 916 07 33 40 07 35 00 =0406+065 05 00 35 73.0 588.3 0.8 45.5 80 F 1 926 07 33 41 07 35 00 MG0414 05 00 35 73.1 582.5 0.8 40.1 -25 1 1 926 07 35 00 07 40 20 --- 05 05 56 72.2 585.8 0.8 43.1 295 F 1 968 07 35 01 07 40 40 MG0414 05 06 16 72.2 586.0 0.9 43.3 10 1 1 968 07 40 40 07 46 00 --- 05 11 37 71.2 589.0 0.9 46.0 320 F 1 1009 07 40 41 07 46 00 J0409+0640 05 11 37 71.0 594.2 1.0 50.8 -24 1 1 1009 07 46 00 07 47 50 =0406+065 05 13 27 70.6 595.1 1.1 51.6 86 F 1 1023 07 46 01 07 48 10 J0409+0640 05 13 47 70.6 595.2 1.1 51.7 10 1 1 1023 07 48 10 07 49 00 =0406+065 05 14 38 70.4 595.6 1.1 52.1 50 F 1 1030 07 48 11 07 49 00 0528+134 05 14 38 83.7 499.3 -0.3 -39.6 -328 1 1 1030 07 49 00 07 55 00 --- 05 20 39 84.5 511.2 -0.2 -28.1 32 F 1 1076 07 49 01 07 55 20 0528+134 05 20 59 84.6 511.9 -0.2 -27.3 7 1 1 1076 07 55 20 08 00 00 --- 05 25 39 85.0 523.6 -0.1 -16.0 280 F 1 1112 07 55 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: v4cm.set Matches group arxbh2 in ./freqGW019B.dat No rf filters yet, RFI at ~ 9.3 and 9.7 GHz Setup group: 12 Station: ARECIBO Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 Speedup factor: 0.50 Disk used to record data. 1st LO= 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 9150.00 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= U U L L U U L L U U L L U U L L IF = A C A C A C A C A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 12 Setup file default. Used pcal sets: 1 LO sum= 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 BBC fr= 782.51 782.51 782.51 782.51 750.51 750.51 750.51 750.51 718.51 718.51 718.51 718.51 686.51 686.51 686.51 686.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCE LIST -- Revealing the secrets of the gravitational lens MG J0414+0534 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) * MG0414 04 11 58.214443 * 04 14 37.727000 04 15 07.529711 0.00 05 27 13.10370 * 05 34 43.00200 05 36 15.20813 0.00 From catalog imbedded in main SCHED input file. 10.378 scan hours, 249.503 baseline hours above horizon. J0237+2848 02 34 55.589592 * 02 37 52.405679 02 38 25.580401 0.23 * 0234+285 28 35 11.40780 * 28 48 08.99005 28 50 37.22826 0.40 J0237+28 /usr/local/sched_6.05/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.167 scan hours, 4.634 baseline hours above horizon. J0319+4130 03 16 29.567289 * 03 19 48.160119 03 20 25.382236 0.28 0316+413 41 19 51.91677 * 41 30 42.10389 41 32 44.12844 0.41 * 3C84 /usr/local/sched_6.05/catalogs/sources.vlba J0319+41 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.233 scan hours, 3.858 baseline hours above horizon. * J0409+0640 04 06 45.261802 * 04 09 25.847713 04 09 55.859045 0.44 0406+065 06 32 44.98249 * 06 40 35.10285 06 42 10.70743 0.65 /usr/local/sched_6.05/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.628 scan hours, 14.711 baseline hours above horizon. * J0422+0219 04 20 16.064046 * 04 22 52.214660 04 23 21.389093 0.32 0420+022 02 12 29.61756 * 02 19 26.93174 02 20 54.00189 0.29 /usr/local/sched_6.05/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 2.939 scan hours, 47.179 baseline hours above horizon. J0530+1331 05 28 06.759218 * 05 30 56.416749 05 31 27.762811 0.31 * 0528+134 13 29 42.28887 * 13 31 55.14954 13 32 27.92630 0.20 J0530+13 /usr/local/sched_6.05/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.489 scan hours, 9.402 baseline hours above horizon. J0555+3948 05 52 01.407172 * 05 55 30.805614 05 56 09.372652 0.26 0552+398 39 48 21.94585 * 39 48 49.16500 39 48 54.10563 0.40 * DA193 /usr/local/sched_6.05/catalogs/sources.vlba J0555+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.311 scan hours, 5.811 baseline hours above horizon. 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) MG0414 140.6 0234+285 156.4 3C84 141.2 J0409+0640 142.0 J0422+0219 138.0 0528+134 122.6 DA193 115.7 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