VS09V Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 17-09-2006
 

Summary
 
Observation code : VS09V    AIPS Version : 31DEC05   
Date of Observation : 1998/210    Difmap Version : 2.3c 
Source Name : J1415+1320    vsop_difmap used : Yes 
Calibration Source(s) : 1156+295, 1334-127         
Ground telescopes : VLBA  Model Fitted to data : Yes 
Tracking Station(s) : RZ, NZ    Image made : Yes 
Correlator : Socorro         

 
Abstract
1-bit sampling so ACCOR needed. Space fringes.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.759524 0.0156679 20.2081 0.399313 4.48035e-10 58.2569 0.0000
0.101438 1.87939 -112.462 2.71160 1.00000 0.00000 0.0007
(*) 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','vantab.txt'
 
 
 
 
  
APCAL
 
 
 
1 
  
ACCOR solint 5
 
 
 
2 
  
CLCAL refant=1;
1 
1,2 
2,3 
 
 Amplitude calibration solutions applied. 
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5 
  
SNEDT/SNCOR opc 'zrat','zphs','zdel'
 
5 
 
6 
 only want the delays 
CLCAL interp 'ambg'
3 
6 
4 
 
  
FRING dparm 2,0,0,0.5,0;aparm(7)=0.1;ante
   5 12 10
4 
 
 
7 
 just HALCA 
FRING dparm 2,100,100,0.5,0;aparm(7)=0.1;solint
   10
4 
 
 
8 
  
TACOP/CLCOR anten 10 0;opc 'sbdl';clcorp
   -450,-450,0
4 
 
5 
 
 correct large Rz offset 
FRING dparm 2,200,200,0.5,0;aparm(7)=0.1;solint
   10
5 
 
 
9 
  
SNEDT/CLCAL refant=1;
5 
9 
6 
10 
  
SPLIT aparm(1)=2 0;
3 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap amplitude 

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

AIPS Output Files
PRTAN.LIS
LISTR.LIS
DTSUM_0.LIS
DTSUM_1.LIS
VPLOT.PS
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
SN_ACCOR_AMP_1.PS
SN_ACCOR_AMP_2.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
POSSM.PS
IMAGE.FITS
IMAGE_VLBA.FITS
IMAGE_VLBA_HALCA.FITS


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
This (beautiful) dataset has only been published in a conference proceedings. Shame on them! (;) *_vlba* are my images of the full dataset. (With amp selfcal)

With gscal only I made the limited survey images.

Image
Ampl, Phase vs (u,v) Distance
PS (128 kb)
JPEG (43 kb)
 Ampl, Phase vs Time
PS (936 kb)
JPEG 1, 2, 3, 4, 5, 6		 (u,v) Coverage
PS (66 kb)
JPEG (29 kb)
Closure Phase vs Time
PS (3310 kb)
JPEG 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21		 Clean Image
PS (36 kb)
JPEG (45 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (128 kb)
JPEG (43 kb)
 Ampl, Phase vs Time
PS (941 kb)
JPEG 1, 2, 3, 4, 5, 6		 (u,v) Coverage
PS (66 kb)
JPEG (29 kb)
Closure Phase vs Time
PS (3309 kb)
JPEG 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21		 Image with model components
PS (36 kb)
JPEG (42 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)
0.759524 0.0156679 20.2081 0.399313 4.48035e-10 58.2569 0.0000
0.101438 1.87939 -112.462 2.71160 1.00000 0.00000 0.0007
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Mon Sep 18 15:14:25 UTC 2006
by db_results.pl version 0.3.