VS02G/v008b2 Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 09-06-2004
 

Summary
 
Observation code : VS02G/v008b2    AIPS Version : 31DEC03   
Date of Observation : 1999/243    Difmap Version : 2.4a 
Source Name : J0423-0120    vsop_difmap used : No 
Calibration Source(s) : 0607-157         
Ground telescopes : MP, HO, HH  Model Fitted to data : Yes 
Tracking Station(s) : UZ, NZ    Image made : Yes 
Correlator : Penticton         

 
Abstract
A simple Gaussian source is an adequate fit, but a point source improves it.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
2.42504 0.0354330 -136.004 0.571038 1.00000 0.00000 0.3629
0.748274 0.0806913 130.194 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;
 
 
1 
 
  
ANTAB infile='antab.txt'
 
 
 
 
  
APCAL
 
 
 
1 
  
CLCAL refant=1;
1 
1 
2 
 
 Amplitude calibration solutions applied. 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.078,0
2 
 
2 
 
  
FRING docal -1; dparm 2,0,0,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5,6,7 
 Full range searched. more than 300 nsec, -50 mHz 
SNEDT
7 
 
8 
 
  
CLCAL
2 
 
3 
 
  
CLCOR opcode 'gain';antenna 0;clcorprm
   1/.9055,0
2,3 
 
2,3 
 
 Correct the correction 
SPLIT aparm(1)=2 0;
3 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap 

AIPS Input Files
ANTAB.TXT
ANTAB.TXT~		 Comments
used nominal_tsys.pl

Additional Files
NameDescription
SURVS2G.0JPSurvey run file

AIPS Output Files
PRTAN.LIS
LISTR.LIS
DTSUM_0.LIS
DTSUM_1.LIS
VPLOT_AP_1.PS
VPLOT_AP_2.PS
UVPLT_UV.PS		 UVPLT_UVD.PS
UVPLT_UVPA.PS
SN_APCAL_AMP_2.PS
SN_APCAL_AMP_1.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
POSSM01_AP_1.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
consistent with pre-launch

broad +point sources.

Image
Ampl, Phase vs (u,v) Distance
PS (52 kb)
JPEG (44 kb)
 Ampl, Phase vs Time
PS (152 kb)
JPEG 1, 2		 (u,v) Coverage
PS (28 kb)
JPEG (28 kb)
Closure Phase vs Time
PS (111 kb)
JPEG 1		 Clean Image
PS (33 kb)
JPEG (44 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (50 kb)
JPEG (45 kb)
 Ampl, Phase vs Time
PS (150 kb)
JPEG 1, 2		 (u,v) Coverage
PS (27 kb)
JPEG (28 kb)
Closure Phase vs Time
PS (110 kb)
JPEG 1		 Image with model components
PS (37 kb)
JPEG (41 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)
2.42504 0.0354330 -136.004 0.571038 1.00000 0.00000 0.3629
0.748274 0.0806913 130.194 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 Fri Aug 6 04:48:15 GMT 2004
by db_results.pl version 0.3.