VS04P2 Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Maria Rioja
Date Prepared: 13-09-2005
 

Summary
 
Observation code : VS04P2    AIPS Version : 31DEC03   
Date of Observation : 1998/164    Difmap Version : 2.3c 
Source Name : J1557-00    vsop_difmap used : Yes 
Calibration Source(s) : 1548+056         
Ground telescopes : Noto,Seshan25,Hartrao  Model Fitted to data : Yes 
Tracking Station(s) : GZ    Image made : Yes 
Correlator : Penticton         

 
Abstract
Space fringes found to all ground antennas. No big problems.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.275502 0.000290235 -163.949 0.334277 0.432349 -50.6107 0.2783
(*) 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. Seshan (3) as ref 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.08,0
2 
 
2 
 
  
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
2 
 
 
2,3,4 
 Full range searched 
snedt
 
4 
 
5 
  
CLCAL refant=3;
2 
5 
3 
 
  
SPLIT aparm(1)=2 0;
3 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap amplitude 

AIPS Input Files
Comments
used nominal_tsys.pl

AIPS Output Files


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

Image
Ampl, Phase vs (u,v) Distance
PS (44 kb)
JPEG (41 kb)
 Ampl, Phase vs Time
PS (143 kb)
JPEG 1, 2		 (u,v) Coverage
PS (24 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (109 kb)
JPEG 1		 Clean Image
PS (30 kb)
JPEG (47 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (44 kb)
JPEG (41 kb)
 Ampl, Phase vs Time
PS (143 kb)
JPEG 1, 2		 (u,v) Coverage
PS (24 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (109 kb)
JPEG 1		 Image with model components
PS (30 kb)
JPEG (36 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)
0.275502 0.000290235 -163.949 0.334277 0.432349 -50.6107 0.2783
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Thu Sep 22 11:25:08 UTC 2005
by db_results.pl version 0.3.