Epoch 1: bc120F Observe date : 2003FEB05/036 Reduction date : 2003 Mar 21 Using autoaips 1.0.0 on Astrud disk 1 -------------------------------- SUMMARY ---------------------------------- Changed ref_ant to 2, Ant.4 (KP) misses a large chunk of data Phase calibrator -- nicely detected Inbeam calibrator 1 marginally detected, seems extended, high rms Pulsar detected without inbeam, but lot's of scatter. -------------------------- DETAILS OF REDUCTION ----------------------- INBEAM 1 : ib_cal_name1 = B1944+17.16 ib_cal_ra1 = 19:46:20.93679 ib_cal_dec1 = 18:27:32.7358 ib_cal_s14001= 41.1 # mJy ib_cal_sep1 = 23.1 # arcmin 1. XLOAD 2. XAPRIORI 3. spflg sour 'J1935+2031'' docalib 2 gainuse 5 flag1 = ante=5,0;bif=2;eif=2; apply flags with uvflg 4. XBPASS (using J1935+2031 as bpass calibrator) 5. XPHASE (using J1935+2031 as phase calibrator) 6. Image in-beam #1 inbeam #1 marginally detected but quite resolved! high rms and seemingly hidden structure PULSAR : name = B1944+17 DM = 16.11 epoch = 2000.0 P = 0.44061 # sec dmdist= 0.834696 # kpc S400 = 40 # mJy from pulsar catalog S1400 = 9.9 # mJy from VLA, Feb 7-9, 2002 1. XLOAD 2. XAPRIORI 3. calxfr = 'ib1' ; run XCOPY 4. Image pulsar about 3.5 mJy (without self-cal) ---------------------------- SOURCE RESULTS ------------------------- B1944+17 pulsar: without inbeam: astrud> JMFIT1: Peak intensity = 3.5578E-03 +/- 1.39E-04 JY/BEAM astrud> JMFIT1: Integral intensity= 5.0108E-03 +/- 3.05E-04 JANSKYS astrud> JMFIT1: X-position = 412.442 +/- 0.1000 pixels astrud> JMFIT1: Y-position = 188.636 +/- 0.1830 pixels astrud> JMFIT1: RA 19 46 53.05317 +/- 0.00001 astrud> JMFIT1: DEC 18 05 41.2314 +/- 0.00022 astrud> JMFIT1: Major axis = 11.019 +/- 0.4317 pixels astrud> JMFIT1: Minor axis = 5.968 +/- 0.2338 pixels astrud> JMFIT1: Position angle = 175.599 +/- 2.433 degrees astrud> JMFIT1: Major axis = 0.01322 +/-0.00052 asec astrud> JMFIT1: Minor axis = 0.00716 +/-0.00028 asec astrud> JMFIT1: Position angle = 175.599 +/- 2.433 degrees ------------------------------ OBSERVE LOG ---------------------------------- VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120F Observer: S. Chatterjee Project type: VLBA Obs filename: bc120fcrd.* Date/Day: 2003FEB05/036 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 1540 Start. Op. D. Medcalf. 1617-1707 *Ending run at KP to allow work on FRM. 10719 100 50 1703 vclock check okay, but can't check MK due to being on dial backup. GPS delta is okay everywhere. 1741 End. Notes: * = Entries where data was affected. % = Entries where data may have been affected. & = Entries where the site tech was called out. wea = Weather entries: MF# = Maintenance form or major downtime category associated with a problem. %AD = The percentage of an antenna affected by a problem. AMD = Total antenna-minutes downtime for a problem. Tsys = TP/SP x Tcal/2 -------------------------------- TABLE LOG ---------------------------------- CL1 : Given PC1 : Given TY1 : Given GC1 : Given FG1 : Given NX1 : Given NX1* : INDXR -- to un-split scans GC2 : TAMRG TY2 : TAMRG PC2 : TAMRG SN1 : ACCOR CL2 : CLCAL accor (CL1 x SN1) SN2 : APCAL CL3 : CLCAL apcal (CL2 x SN2) CL4 : TACOP CL3 CL4* : CLCOR: pang 1 0 CL5 : TECOR FG1* : UVFLG ante=5,0;bif=2;eif=2; SN3 : FRING J1935+2031 SN4 : SNSMO SN3 CL6 : CLCAL fring J1935+2031 (CL5 x SN4) SPLIT J1935+2031 CL6 FG1 BP0 SN5 : FRING J1935+2031 SN6 : SNSMO SN5 CL7 : CLCAL fring J1935+2031 (CL5 x SN6) SN7 : CALIB A&P J1935+2031 CL8 : CLCAL calib A&P J1935+2031 (CL7 x SN7) BP1 : BPASS J1935+2031 SN8 : FRING J1935+2031 SN9 : SNSMO SN8 CL9 : CLCAL fring J1935+2031 (CL5 x SN9) SN10 : CALIB A&P J1935+2031 CL10 : CLCAL calib A&P J1935+2031 (CL9 x SN10) SPLIT J1935+2031 CL10 FG1 BP1 SPLIT B1944+17.PT CL10 FG1 BP1 SPLIT B1944+17.PT CL10 FG1 BP1 SPLIT J2016+1632 CL10 FG1 BP1 SPLIT J1929+2325 CL10 FG1 BP1 SPLIT J1945+0952 CL10 FG1 BP1 SPLIT J2023+2223 CL10 FG1 BP1