VS13A Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 14-06-2003
 

Summary
 
Observation code : VS13A    AIPS Version : 31DEC03   
Date of Observation : 2002/204    Difmap Version : 2.4a 
Source Name : J0013+40    vsop_difmap used : No 
Calibration Source(s) : J0136+47         
Ground telescopes : KA, NO, KL  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : No 
Correlator : Penticton         

 
Abstract
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.268244 0.0301316 -78.1763 0.851037 0.118989 -38.5472 0.1519
0.0237522 0.701524 107.943 0.00000 1.00000 0.00000 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 
  
CLCAL refant=1;
1 
1 
2 
 
 Amplitude calibration solutions applied. KA as ref 
FRING docal -1; dparm 2,0,0,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
2,3,4,5 
 Full range searched 
FRING dparm 2,240,150,0.5,0;solint
   5;refa 2
 
 
 
6 
 Kalyazin as the refence. Good fringes 
SNEDT
 
6 
 
7 
  
CLCAL refant=2;
2 
 
3 
 
  
SPLIT aparm(1)=2 0;
3 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap 

AIPS Input Files
ANTAB.TXT
 Comments
used nominal_tsys.pl

Additional Files
NameDescription
SUR13A.0JPSurvey run file

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


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
J0423-01 has the correct flux w.r.t. UMRAO.

Second point source is along the line of the PLS axis (127 c.f. 123)

three are required -- maybe a elipse + point

Modelfit
Ampl, Phase vs (u,v) Distance
PS (39 kb)
JPEG (50 kb)
 Ampl, Phase vs Time
PS (151 kb)
JPEG 1, 2		 (u,v) Coverage
PS (34 kb)
JPEG (33 kb)
Closure Phase vs Time
PS (108 kb)
JPEG 1		 Image with model components
PS (825 bytes)
JPEG (0 bytes)

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)
0.268244 0.0301316 -78.1763 0.851037 0.118989 -38.5472 0.1519
0.0237522 0.701524 107.943 0.00000 1.00000 0.00000 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Fri Aug 6 06:06:40 GMT 2004
by db_results.pl version 0.3.