VS02J Results
Submitted checklist.txt and checklist.tex is also available
  [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 24-08-2004
 

Summary
 
Observation code : VS02J    AIPS Version : 31DEC03   
Date of Observation : 1999/116    Difmap Version : 2.4a 
Source Name : J0745+1011    vsop_difmap used : No 
Calibration Source(s) : 1156+295,0738+313         
Ground telescopes : HH GB AR TR  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : Yes 
Correlator : Penticton         

 
Abstract
nice result. Flux down from pre launch, but the structure matches (but now resolved).
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.418922 1.53379 -8.67841 1.56069 1.00000 -157.079 0.0084
0.535565 0.0371491 32.7930 0.00000 1.00000 0.00000 0.0000
0.199668 1.16545 -178.615 0.00000 1.00000 0.00000 0.0000
0.116457 0.475621 167.827 0.00000 1.00000 0.00000 0.0000
(*) 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
 
 
 
 
ACCOR solint 5
 
 
 
 
CLCAL refant=1;
1,2 
2,3 
 
Amplitude calibration solutions applied. XX as ref 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.063,0
 
 
 
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5 
Full range searched 
CLCAL refant=1;
 
 
 
FRING dparm
   2,0,0,0.5,0;aparm(7)=0.1;solint
 
 
 
CLCAL refant=1;
 
 
 
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
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
VPLOT.PS
POSSM.PS
IMAGE.FITS



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
Nice image, showing resolving core.

Image
Ampl, Phase vs (u,v) Distance
PS (35 kb)
JPEG (46 kb)
Ampl, Phase vs Time
PS (160 kb)
JPEG 1, 2, 3
(u,v) Coverage
PS (17 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (137 kb)
JPEG 1
Clean Image
PS (35 kb)
JPEG (47 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (25 kb)
JPEG (44 kb)
Ampl, Phase vs Time
PS (150 kb)
JPEG 1, 2, 3
(u,v) Coverage
PS (17 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (133 kb)
JPEG 1
Image with model components
PS (825 bytes)
JPEG (0 bytes)

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)
0.418922 1.53379 -8.67841 1.56069 1.00000 -157.079 0.0084
0.535565 0.0371491 32.7930 0.00000 1.00000 0.00000 0.0000
0.199668 1.16545 -178.615 0.00000 1.00000 0.00000 0.0000
0.116457 0.475621 167.827 0.00000 1.00000 0.00000 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.



Last updated on Tue Aug 24 07:54:00 GMT 2004
by db_results.pl version 0.3.