VS01X Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 28-04-2005
 

Summary
 
Observation code : VS01X    AIPS Version : 31DEC03   
Date of Observation : 1997/300    Difmap Version : 2.3c 
Source Name : J1957-3845    vsop_difmap used : Yes 
Calibration Source(s) :          
Ground telescopes : UD HH HO  Model Fitted to data : Yes 
Tracking Station(s) : TZ UZ    Image made : No 
Correlator : Mitaka         

 
Abstract
no space fringes but expected will need to check another GOT experiment.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
1.38991 0.00000 0.00000 0 0 0 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


AIPS Data Reduction Notes
 
Task
Adverbs
CL
in
SN
in
CL
out
SN
out
Comments
FITLD clint = 0.25
digicor = -1
delcorr = -1
 
 
 
 
  
INDXR cparm = 0, 0, 0.25;
 
 
1 
 
  
ANTAB infile='antab.txt'
 
 
 
 
  
APCAL
 
 
 
1 
  
ACCOR solint 5
 
 
 
2 
  
CLCAL refant=1;
1 
1,2 
2,3 
 
 Amplitude calibration solutions applied. 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.063,0
3 
 
3 
 
  
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5 
 Full range searched 
CLCOR opcode 'sbdl';antenna 3;clcorprm
   200
3 
 
3 
 
 Correct Hart 
FRING dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
3 
 
 
3,4,5 
 Full range searched 
CLCOR ante 3;opty 'sbdl';clcorp 200
3 
 
 
 
 Correct Hart 
FRING dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   15,10
3 
 
 
6,9 
  
FRING dofit 4,5;dparm 2 0 0 0.5
 
 
 
7,8 
  
CLCAL refant=1;opc 'calp';inter
   'cube'
3 
6,9 
4,5 
 
  
SPLIT aparm(1)=2 0;
3 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap amplitude 

AIPS Input Files
ANTAB.TXT Comments
used nominal_tsys.pl

AIPS Output Files
PRTAN.LIS
LISTR.LIS
DTSUM_0.LIS
DTSUM_1.LIS
POSSM.PS
VPLOT.PS.gz
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
SN_ACCOR_AMP_1.PS		 SN_ACCOR_AMP_2.PS
SN_APCAL_AMP_2.PS
SN_APCAL_AMP_1.PS
SN_FRING01_DEL_1.PS
SN_FRING01_DEL_2.PS
SN_FRING01_RAT_1.PS
SN_FRING01_RAT_2.PS
SN_FRING01_SNR_1.PS
SN_FRING01_SNR_2.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


Difmap Data Reduction Notes
Phase selfcal applied? Yes
Global amplitude selfcal (gscal) applied? No
Amplitude selfcal on non-global timescales used? No
Modelfit made and saved? Yes
Image Made and saved? No
Comments on Difmap processing
A point source fitted. The space baselines are shorter than the GRTs. Failure of space.

Modelfit
Ampl, Phase vs (u,v) Distance
PS (34 kb)
JPEG (42 kb)
 Ampl, Phase vs Time
PS (135 kb)
JPEG 1, 2, 3		 (u,v) Coverage
PS (19 kb)
JPEG (27 kb)
Closure Phase vs Time
PS (85 kb)
JPEG 1		 Image with model components
PS (31 kb)
JPEG (38 kb)

More details on the Images and Modelfits are found in this page.

Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
1.38991 0.00000 0.00000 0 0 0 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Wed Sep 7 11:20:53 UTC 2005
by db_results.pl version 0.3.