VS04v Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Zhi-Qiang Shen
Date Prepared: 24-10-1999
 

Summary
 
Observation code : VS04v    AIPS Version : 15OCT98 
Date of Observation : 1998/157    Difmap Version : 2.3c 
Source Name : J0303-62    vsop_difmap used : Yes 
Calibration Source(s) :          
Ground telescopes : HartRAO, Mop  Model Fitted to data : No 
Tracking Station(s) : RZ    Image made : No 
Correlator : Penticton         

 
Abstract
This is a 2 GRTs experiment. No fringes were found on sapce baselines. A correlated flux density of ~0.2-0.6Jy was seen on the ground baseline (HartRAO -- Mop) of 9,000km in length.

A re-scheduling is recommended!


AIPS Data Reduction Notes
 
Task
Adverbs
CL
in
SN
in
CL
out
SN
out
Comments
FITLD douvcomp=1;dotable=1
 
 
 
 
 load the uv FITS data into AIPS 
MSORT sort='TB'
 
 
 
 
 sort the data to 'TB' order 
INDXR cparm(3)=1
 
 
1 
 
 index uv data with 1 min CL entry interval 
TACOP
1 
 
2 
 
 protect original CL1 
ANTAB
 
 
 
 
 determine the Tsys and gain curve (see ANTAB.TXT file). Tsys=95K for Halca. 
APCAL opcode=' '
 
 
 
1 
 generate an amplitude calibration solution table 
CLCAL opcode='CALI'
smotype='ampl'
refant=0
2 
1 
3 
 
 apply amplitude calibration solution 
FRING docalib=1
flagv=-1;solint=4;refant=1
aparm=2,0,0,0,0,1,2,0
dparm=1,500,500,0
antwt=1,1,30
3 
 
 
6 
 try different searching windows and SNR cutoffs (no space fringes were found) 
CLCAL opcode='CALP';interpol='ambg
smotype='VLBI';refant=1
3 
6 
4 
 
 apply FFT solutions 
TACOP
4 
 
5 
 
 save calibration table CL4 
CLCOR antenna=0;opcode='GAIN';clcorprm=0.91,0
5 
 
5 
 
 Penticton gain correction 
TASAV
 
 
 
 
 copy all extension tables to a dummy file 
SPLIT docalib=1;douvcomp=1
flagv=-1;aparm=2,0,0,1,0
5 
 
 
 
 make calibrated single-source data file: J0303-62.SPLIT 

AIPS Input Files
INDXR.TXT
ANTAB.TXT		 Comments
- None -

AIPS Output Files
PRTAN.LIS
LISTR.LIS
DTSUM_0.LIS
DTSUM_1.LIS
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
SN_APCAL_AMP_2.PS		 SN_APCAL_AMP_1.PS
SN_CALIB_DEL_1.PS
SN_CALIB_DEL_2.PS
SN_CALIB_RAT_1.PS
SN_CALIB_RAT_2.PS
SN_CALIB_SNR_1.PS
SN_CALIB_SNR_2.PS
SN_CALIB_PHA_1.PS		 SN_CALIB_PHA_2.PS
POSSM01_AP_1.PS
POSSM01_AP_2.PS
VPLOT_AP_1.PS
VPLOT_AP_2.PS


Difmap Data Reduction Notes
Phase selfcal applied? No
Global amplitude selfcal (gscal) applied? No
Amplitude selfcal on non-global timescales used? No
Modelfit made and saved? No
Image Made and saved? No
Comments on Difmap processing



Last updated on Wed Oct 27 21:09:36 GMT 1999
by db_results.pl version 0.2.0.