VS08D Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 24-08-2004
 

Summary
 
Observation code : VS08D    AIPS Version : 31DEC03   
Date of Observation : 1997/303    Difmap Version : 2.3c 
Source Name : J2207-53    vsop_difmap used : Yes 
Calibration Source(s) :          
Ground telescopes : HO HH  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : Yes 
Correlator : Penticton         

 
Abstract
Half a data reduction done by J Lovell & submitted by me. Corrected for the correlator gain of 1.08
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.751159 0.00000 0.00000 0.500301 0.312899 7.28536 0.4680
0.424300 2.28263 -166.840 0.593677 1.00000 -49.8744 0.0587
(*) 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 SCLVIS = 0.06250
digicor = -1
delcorr = -1
 
 
 
 
  
MSORT/INDXR cparm = 0, 0, 0.25;
 
 
1 
 
  
ANTAB infile='VS08D:SOUTH_5GHZ.CAL'
 
 
 
 
  
ACCOR solint 2
 
 
 
1 
 This may be deleted (and not needed for Penticton) 
FRING/BLING/KRING
 
 
 
2,3,1,1,1,2 
 solint very short 
APCAL
 
 
 
1 
  
CLCAL refant=1;
1 
0 
2 
 
 Amplitude calibration solutions applied. 
FIXWT bchan 64
 
 
 
 
  
IBLED
 
 
 
 
  
KRING solint 15,10,5
0,0,0,2,2,2,0 
 
 
1,1,2,3,4,5,1 
  
CLCAL inter 'ambg'
2 
0 
3 
 
 I hope JL deleted the other SN tables 
SPLIT/IBLED/SPLIT/UVAVG/TABED
 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap amplitude 

AIPS Input Files
INDXR.TXT
VS08D_ANTAB.TXT		 Comments
- None -

AIPS Output Files
VS08D_DELA.PS
VS08D_RATE.PS		 VS08D_SNR.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? Yes
Comments on Difmap processing
Don't really know what Jim did, as difmap does not create a history file.

I did apply a "scalant 1.08," which should correct for the penticton correlator.

Image
Ampl, Phase vs (u,v) Distance
PS (16 kb)
JPEG (35 kb)
 Ampl, Phase vs Time
PS (76 kb)
JPEG 1, 2		 (u,v) Coverage
PS (11 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (44 kb)
JPEG 1		 Clean Image
PS (30 kb)
JPEG (47 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (16 kb)
JPEG (35 kb)
 Ampl, Phase vs Time
PS (76 kb)
JPEG 1, 2		 (u,v) Coverage
PS (11 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (44 kb)
JPEG 1		 Image with model components
PS (32 kb)
JPEG (37 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)
0.751159 0.00000 0.00000 0.500301 0.312899 7.28536 0.4680
0.424300 2.28263 -166.840 0.593677 1.00000 -49.8744 0.0587
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Fri Aug 27 07:48:24 GMT 2004
by db_results.pl version 0.3.