VS09U Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 02-08-2004
 

Summary
 
Observation code : VS09U    AIPS Version : 31DEC03   
Date of Observation : 2002/229    Difmap Version : 2.4a 
Source Name : J1513-1012    vsop_difmap used : No 
Calibration Source(s) :          
Ground telescopes : HO UD SH  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : No 
Correlator : Penticton         

 
Abstract
Single ground baseline as No Usuda or Halca. Expect space flux. Repeat.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.692720 0.00000 0.00000 0.568660 1.00000 0.00000 0.1045
(*) 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. 
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
2,3,4 
  
FRING ante 3 4
 
 
 
5 
 search between VSOP/HALCA 
SNEDT/SNCOR/CLCAL refant=1;
2 
4 
3 
6 
  
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
DTSUM_0.LIS
DTSUM_1.LIS
LISTR.LIS
PRTAN.LIS
POSSM.PS
SN_APCAL_AMP_1.PS
SN_APCAL_AMP_2.PS
SN_CALIB_DEL_1.PS
SN_CALIB_DEL_2.PS		 SN_CALIB_PHA_1.PS
SN_CALIB_PHA_2.PS
SN_CALIB_RAT_1.PS
SN_CALIB_RAT_2.PS
SN_CALIB_SNR_1.PS
SN_CALIB_SNR_2.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
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
VPLOT.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? Yes
Image Made and saved? No
Comments on Difmap processing
Usuda, from looking at J1550+05, is no good.

The source is only truely sampled on a single baseline, which matches the pre-launch data. But does it resolve to VSOP, or did it fail?

A model is made assuming it is resolved, otherwise the VBLApls is much better data.

Modelfit
Ampl, Phase vs (u,v) Distance
PS (25 kb)
JPEG (41 kb)
 Ampl, Phase vs Time
PS (120 kb)
JPEG 1, 2		 (u,v) Coverage
PS (13 kb)
JPEG (24 kb)
Closure Phase vs Time
PS (99 kb)
JPEG 1		 Image with model components
PS (29 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)
0.692720 0.00000 0.00000 0.568660 1.00000 0.00000 0.1045
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Fri Aug 6 10:57:02 GMT 2004
by db_results.pl version 0.3.