! ================================================================ ! Preferred Dynamic Contraints. Alter [defaults] as desired. ! ================================================================ ! Equipment constraints: ! Stations. Below each station code, the "o" indicates an ! [optional] station that is to be used if it is available. ! Change "o" to "r" if the station is required or change ! "o" to "n" if the station is not to be used. ! ! SC HN NL FD LA PT KP OV BR MK ! o o o o o o o o o o ! ! Minimum number of stations: 8 ! ! May we swap PT for a single VLA antenna? [ NO!! doesn't ! slew/settle fast enough and many other reasons] ! ! Bands and polarizations. Below each band code, insert "R" ! if the righthand polarization is to be used, "L" if the ! lefthand polarization is to be used, "d" if dual ! polarizations are to be used, or "o" if the band is in ! your setups but scheduling should not be constrained by ! its availability. ! 90cm 50cm 20cm 13cm 6cm 4cm 2cm 1cm 7mm 3mm ! d ! ! Weather constraints: ! [appropriate for bands marked "L", "R", or "d" above ! and for at least the minimum number of stations] ! ! Date constraints: ! Preferred date(s), usually a series start: ! As soon as possible ! ! Excluded dates plus reason: ! ! Preferred interval between segments in days: ! ! Special conditions (e.g., a series with different ! spacings in time): ! ! Test for an 8-epoch trigonometic parallax program ! which must start near April 1. We need this test done ! before Feb 28 to allow time to correlate and analyze. ! ! ! ! ================================================================ ! !--------------------------------------------------------------------- ! Cover Information version = 3 expt = 'BM257: Parallax to GRS1915' expcode = 'BM257A' obstype = 'VLBA' piname = 'Mark Reid' address1 = 'Harvard-Smithsonian CfA' address2 = '60 Garden Street' address3 = 'Cambridge, MA 02138' address4 = 'USA' phone = '617 495 7470' obsphone = '617 495 7470' email = 'reid@cfa.harvard.edu' !--------------------------------------------------------------------- !Correlator parameters correl = 'Socorro' coravg = 1.048 corchan = 16 cornant = 10 corpol = 'off' corsrcs = '' corship1 = 'Mark Reid' corship2 = 'Harvard-Smithsonian CfA MS42' corship3 = '60 Garden Street' corship4 = 'Cambridge, MA 02138' cortape = 'DAT DDS4' corwtfn = 'Uniform' cornote1 = 'Need 2 pass processing:' cornote2 = 'Pass 1: CORCHAN=16, process all data' cornote3 = 'Pass 2: CORCHAN=256, but only IF chans 3&4 on rapid X-ing blocks' cornote4 = 'BOTH PASSES MUST BE CORRELATED WITH IDENTICAL PARAMETERS/STATIONS' !--------------------------------------------------------------------- lineinit / lineset = 'H2O' restfreq=22235.080 / endlines / setinit = phaseref.set / ! format = vlba ! bbc = 1, 2, 3, 4, 5, 6, 7, 8 ! ifchan = R, L, R, L, R, L, R, L netside = U, U, U, U, U, U, U, U pcal = 'off' pol= dual station = 'VLBA' nchan = 8 bits = 2 bbfilter = 8.0 ! 256 Mbps ! following approximate only; overriden by DOPPLER tracking freqref = 22227.49, 22227.49, 22235.49, 22235.49, 22243.49, 22243.49, 22251.49, 22251.49 / endset / setinit = geodetic.set / ! format = vlba ! bbc = 1, 2, 3, 4, 5, 6, 7, 8 ! ifchan = L, L, L, L, L, L, L, L netside = U, U, U, U, U, U, U, U pcal = '1MHz' pol= LCP station = 'VLBA' nchan = 8 bits = 2 bbfilter = 8.0 ! 256 Mbps freqref = 22002.49, 22016.49, 22058.49, 22128.49, 22212.49, 22310.49, 22450.49, 22478.49 / !! all LCP, all USB, geodetic sequence= 14MHz* (0,1,4,9,15,22,32,34) (reversed) !! no overlap with phaseref.set (setup for rapid switching section). endset / SRCCAT / !! Rapid switching sources... ! SOURCE='G45.07 ' RA=19:13:22.0399 DEC=10:50:53.309 EQUINOX='J2000' VEL = 168.0,168.0, 60.0,60.0, -48.0,-48.0, -156.0,-156.0 / ! +60 km/s is G45.07's LSR velocity; put in bands 3 & 4 ! Position is from VLA cal survey (BM257) accurate to about 30 mas ! NB: 108 km/s velocity between bands corresponds to 8 MHz at K-band ! SOURCE='GRS_1915' RA=19:15:11.5473 DEC=10:56:44.704 EQUINOX='J2000' / ! Position from V. Dhawan with proper motion correction to May 2007 ! ! Following is a VLA calibrator ! Position uncertainty is <0.001 arcsec in astro_cat SOURCE='1922+155' RA=19:22:34.6993 DEC=15:30:10.032 EQUINOX='J2000' / ! S=0.49 Jy at 22 GHz from our VLA cal survey ! Following is a VLBA calibrator ! Position uncertainty < 0.001 arcsec (GSFC solutions) SOURCE='1925+122' RA=19:25:40.81708 DEC=12:27:38.0871 EQUINOX='J2000' / ! Following from VLA cal survey; pos unc ~0.03 arcsec SOURCE='1914+112' RA=19:14:24.9342 DEC=11:28:51.945 EQUINOX='J2000' / ! S~0.007 Jy at 22 GHz SOURCE='1914+100' RA=19:14:47.8179 DEC=10:04:28.051 EQUINOX='J2000' / ! S~0.002 Jy at 22 GHz SOURCE='1915+114' RA=19:15:29.3862 DEC=11:42:18.467 EQUINOX='J2000' / ! S~0.004 Jy at 22 GHz SOURCE='1917+114' RA=19:17:34.0446 DEC=11:42:13.585 EQUINOX='J2000' / ! S~0.008 Jy at 22 GHz SOURCE='1915+100' RA=19:15:54.6399 DEC=10:02:37.188 EQUINOX='J2000' / ! S~0.007 Jy at 22 GHz ! ! Delay Calibrators... ! Following are "2004f_astro_cat.txt" sources with JVAS X-band flux >1 Jy SOURCE='3C454.3 ' RA=22:53:57.747932 DEC=16:08:53.56089 EQUINOX='J2000' / SOURCE='1902+315' RA=19:02:55.938866 DEC=31:59:41.70190 EQUINOX='J2000' / SOURCE='1925+210' RA=19:25:59.605352 DEC=21:06:26.16198 EQUINOX='J2000' / ! ! !! Geodetic Block Calibration Sources !! !! Name J2000 coordinates (ICRF: <1 mas; X-band struct <3; >1000 obs) SOURCE='0017+813' RA=00:17:08.474953 DEC=+81:35:08.13633 EQUINOX='J2000' / SOURCE='0121+114' RA=01:21:41.595043 DEC=+11:49:50.41313 EQUINOX='J2000' / SOURCE='0217+734' RA=02:17:30.813363 DEC=+73:49:32.62176 EQUINOX='J2000' / SOURCE='0958+653' RA=09:58:47.245101 DEC=+65:33:54.81806 EQUINOX='J2000' / SOURCE='1048+714' RA=10:48:27.619917 DEC=+71:43:35.93828 EQUINOX='J2000' / SOURCE='1104+381' RA=11:04:27.313943 DEC=+38:12:31.79919 EQUINOX='J2000' / SOURCE='1130+381' RA=11:30:53.282612 DEC=+38:15:18.54707 EQUINOX='J2000' / SOURCE='1153+805' RA=11:53:12.499130 DEC=+80:58:29.15451 EQUINOX='J2000' / SOURCE='1310+322' RA=13:10:28.663845 DEC=+32:20:43.78295 EQUINOX='J2000' / SOURCE='1550+052' RA=15:50:35.269240 DEC=+05:27:10.44823 EQUINOX='J2000' / SOURCE='1608+102' RA=16:08:46.203179 DEC=+10:29:07.77585 EQUINOX='J2000' / SOURCE='1740+521' RA=17:40:36.977850 DEC=+52:11:43.40750 EQUINOX='J2000' / SOURCE='1743-035' RA=17:43:58.856137 DEC=-03:50:04.61668 EQUINOX='J2000' / SOURCE='1751+093' RA=17:51:32.818573 DEC=+09:39:00.72851 EQUINOX='J2000' / SOURCE='2148+065' RA=21:48:05.458679 DEC=+06:57:38.60422 EQUINOX='J2000' / SOURCE='2236+282' RA=22:36:22.470860 DEC=+28:28:57.41329 EQUINOX='J2000' / ENDCAT / srcfile='NONE' !!!srcfile='$SCHED/catalogs/sources.vlba' !------------------------------------------------------------------------- !Station information stafile='$SCHED/catalogs/stations.dat' stations = VLBA_MK,VLBA_BR,VLBA_OV,VLBA_KP,VLBA_FD, VLBA_PT,VLBA_LA,VLBA_NL,VLBA_HN,VLBA_SC !--------------------------------------------------------------------------- !Test observation outline !_____________________________________________________________________________ ! About 0.5 hrs of Geodetic-style observations ! About 2.5 hrs of Rapid switching !_____________________________________________________________________________ overwrit lst=VLBA_PT day= 60860 start=17:30:00 autotape=2 ! keep tapes running, but allow for some readback tests... minpaus 60 !! Beginning Geodetic-like observing block setup = 'geodetic.set' NODOP DWELL= 60 ! MK BR OV KP FD PT LA NL HN SC !!! SOURCE='1740+521' / 40. 80. 72. 69. 68. 72. 73. 76. 66. 43. !!! SOURCE='2148+065' / *** 15. 17. 23. 29. 25. 27. 36. 47. 67. SOURCE='1048+714' / 30. 45. 34. 28. 24. 29. 30. 31. 28. *** SOURCE='1104+381' / 43. 29. 23. 16. 10. 15. 14. 10. *** *** SOURCE='1130+381' / 47. 33. 28. 20. 14. 19. 18. 13. *** *** SOURCE='1153+805' / 27. 49. 39. 32. 30. 34. 35. 39. 37. 12. SOURCE='1310+322' / 67. 45. 43. 36. 29. 34. 33. 24. 12. *** SOURCE='1740+521' / 42. 82. 74. 70. 68. 72. 73. 74. 63. 41. SOURCE='2148+065' / *** 17. 20. 26. 33. 29. 30. 38. 48. 71. SOURCE='2236+282' / *** 25. 23. 26. 32. 30. 32. 44. 58. 62. SOURCE='0017+813' / 13. 45. 34. 30. 30. 33. 35. 43. 46. 23. !!================================================================ !! start rapid switching among masers and calibrators linename = 'H2O' setup = 'phaseref.set' DOPPLER dopsrc 'G45.07 ' ! delay and electronic phase calibrators and possibly bandpass: SOURCE='1902+315' DWELL=60 / SOURCE='1925+210' / SOURCE='1925+122' / ! Now start rapid switching... ! SOURCE='G45.07 ' DWELL= 20 dopsrc 'G45.07 ' / ! start on 'phase-ref' source ! GROUP 2 REP 2 SOURCE='GRS_1915' DUR= 30 / SOURCE='G45.07 ' / ! GROUP 10 REP 29 SOURCE='1914+112' DUR= 30 / SOURCE='G45.07 ' / SOURCE='1914+100' / SOURCE='G45.07 ' / SOURCE='1915+114' / SOURCE='G45.07 ' / SOURCE='1917+114' / SOURCE='G45.07 ' / SOURCE='1915+100' / SOURCE='G45.07 ' / ! GROUP 2 REP 2 SOURCE='GRS_1915' DUR= 30 / SOURCE='G45.07 ' / ! ! delay and electronic phase calibrators and possibly bandpass: SOURCE='3C454.3 ' DWELL=60 / !