VS07Y Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 26-09-2005
 

Summary
 
Observation code : VS07Y    AIPS Version : 31DEC03   
Date of Observation : 1998/86    Difmap Version : 2.3c 
Source Name : J0541-05    vsop_difmap used : Yes 
Calibration Source(s) : 0528+134         
Ground telescopes : HH NT  Model Fitted to data : Yes 
Tracking Station(s) : GZ    Image made : No 
Correlator : Penticton         

 
Abstract
A check of Shen's reduction. Looks fine. 0.03 Jy on the GRT baseline. I.e. no space detection

VS07y1 has more baselines.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.245125 0.00000 0.00000 1.34428 1.00000 0.00000 0.0066
(*) 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. XX as ref 
CLCOR opc 'gain';ante 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
 
 
 
2,3,4 
 Full range searched 
TACOP/CLCOR opc 'sbdl';ante 2; clcorp
   1280;
2 
 
3 
 
  
FRING dparm 2,400/0,400/0,0.5,0;aparm(7)=0.1;solint
   5
3 
 
 
5,6 
  
SNEDT/SNCOR/CLCAL refant=1;
3 
5 
4 
7 
 Zero'd VSOP values 
KRING cparm 1/2,0,0,-1,0;solint 5
4 
 
 
8 
 nothing 
SPLIT aparm(1)=2 0;
4 
 
 
 
 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
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.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
Two GRTs no space fringes.

0528+134: 1.2 Jy point source.

J0541-05: 0.03 Jy on GRTs. Don't expect HALCA fringes

Modelfit
Ampl, Phase vs (u,v) Distance
PS (26 kb)
JPEG (37 kb)
 Ampl, Phase vs Time
PS (72 kb)
JPEG 1, 2		 (u,v) Coverage
PS (14 kb)
JPEG (25 kb)
Closure Phase vs Time
PS (45 kb)
JPEG 1		 Image with model components
PS (28 kb)
JPEG (35 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)
0.245125 0.00000 0.00000 1.34428 1.00000 0.00000 0.0066
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Mon Sep 26 17:37:56 UTC 2005
by db_results.pl version 0.3.