VS09W Results
Submitted checklist.txt and checklist.tex is also available
  [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 25-04-2005
 

Summary
 
Observation code : VS09W    AIPS Version : 31DEC03   
Date of Observation : 2001/342    Difmap Version : 2.4a 
Source Name : J1153+4931    vsop_difmap used : No 
Calibration Source(s) : J1159+29         
Ground telescopes : Ka Kl Sh  Model Fitted to data : Yes 
Tracking Station(s) : Tz    Image made : No 
Correlator : Penticton         

 
Abstract
No VSOP fringes, although the PLS saw a 0.8Jy point source. The model is well fitted by a 0.8 Jy ~ 3mas elliptical Gaussian. The extension matches that of the USNO K band obs.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.869080 0.0606146 -163.968 3.00217 0.541765 30.0091 0.0087
(*) 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;
 
 
 
 
ANTAB infile='antab.txt'
 
 
 
 
 
APCAL
 
 
 
 
CLCAL refant=1;
 
Amplitude calibration solutions applied. 
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
2,3,4,5,6,7,8 
No VSOP fringes. Poor solutions to Kl. 
SNEDT/CLCAL interp 'ambg'
 
SPLIT aparm(1)=2 0;
 
 
 
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
VPLOT.PS
POSSM.PS
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
SN_APCAL_AMP_1.PS
SN_APCAL_AMP_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
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
Fitted an elliptical Gaussian to the data, which lies along the axis defined in the X and the K band UNSO observations.

Modelfit
Ampl, Phase vs (u,v) Distance
PS (17 kb)
JPEG (31 kb)
Ampl, Phase vs Time
PS (109 kb)
JPEG 1, 2
(u,v) Coverage
PS (12 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (88 kb)
JPEG 1
Image with model components
PS (50 kb)
JPEG (58 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)
0.869080 0.0606146 -163.968 3.00217 0.541765 30.0091 0.0087
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.



Last updated on Mon Apr 25 14:02:01 GMT 2005
by db_results.pl version 0.3.