VS04Y Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 15-04-2005
 

Summary
 
Observation code : VS04Y    AIPS Version : 31DEC03   
Date of Observation : 1998/213    Difmap Version : 2.3c 
Source Name : J1602+33    vsop_difmap used : Yes 
Calibration Source(s) : 1611+343         
Ground telescopes : AR GB HH  Model Fitted to data : Yes 
Tracking Station(s) : RZ (TZ)    Image made : Yes 
Correlator : Penticton         

 
Abstract
Repeat of a reduced data set to improve the CL table application
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
1.22964 0.113266 -3.69553 0.778034 1.00000 -149.374 0.0991
0.104982 1.05393 -75.7915 0 0 0 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. XX as ref 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.078,0
2 
 
2 
 
  
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
2,3,4,5 
 Full range searched 
CLCAL refant=1;
3 
 
4 
 
  
CLCOR ante 1;clcorprm 500;ante
    3;clcorp 220;ante 4;clcorp
   530
2 
 
3 
 
  
FRING dparm 2,0,0,0.5,0;aparm(7)=0.1;solint
   5
3 
 
 
5,6,7 
  
SNEDT/CLCAL refant=2;interp
   'ambg'/'cube'/'cube+poly'
3 
7 
4,5,6 
8,9 
 #6 is a polyfit for HALCA. Not very good 
SPLIT aparm(1)=2 0;
5 
 
 
 
 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_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


Difmap Data Reduction Notes
Phase selfcal applied? Yes
Global amplitude selfcal (gscal) applied? Yes
Amplitude selfcal on non-global timescales used? No
Modelfit made and saved? Yes
Image Made and saved? Yes
Comments on Difmap processing
Arecibo scaled up by 2.2. Model extends west, not north as in the prelaunch.

Image
Ampl, Phase vs (u,v) Distance
PS (24 kb)
JPEG (37 kb)
 Ampl, Phase vs Time
PS (107 kb)
JPEG 1, 2		 (u,v) Coverage
PS (14 kb)
JPEG (25 kb)
Closure Phase vs Time
PS (64 kb)
JPEG 1		 Clean Image
PS (30 kb)
JPEG (63 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (24 kb)
JPEG (36 kb)
 Ampl, Phase vs Time
PS (105 kb)
JPEG 1, 2		 (u,v) Coverage
PS (14 kb)
JPEG (25 kb)
Closure Phase vs Time
PS (64 kb)
JPEG 1		 Image with model components
PS (32 kb)
JPEG (38 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)
1.22964 0.113266 -3.69553 0.778034 1.00000 -149.374 0.0991
0.104982 1.05393 -75.7915 0 0 0 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Fri Apr 22 11:36:55 GMT 2005
by db_results.pl version 0.3.