VS09E1 Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 08-09-2004
 

Summary
 
Observation code : VS09E1    AIPS Version : 31DEC03   
Date of Observation : 2002/178    Difmap Version : 2.4a 
Source Name : J1224+0330    vsop_difmap used : No 
Calibration Source(s) : J1256-05         
Ground telescopes : UD HO MP  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : Yes 
Correlator : Penticton         

 
Abstract
Agrees with PLS. Two points and a Gaussian, in a line.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.286890 2.72385 -75.6398 0.686756 1.00000 0.00000 0.0297
0.197995 0.0777161 -105.773 0.00000 1.00000 0.00000 0.0000
0.143840 0.416897 -86.1240 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. 
FRING refa 3; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
2,3,4 
 Full range searched 
CLCAL interp 'ambg'
2 
2,3,4 
3,4,5 
 
 find the best 
SNEDT/SNCOR/CLCAL ante 4;opc 'zdel''zrat''zphs';interpo
   'ambg'
2 
3 
6 
5 
  
SNEDT/SNCOR/CLCAL ante 4;opc 'zdel''zrat''zphs';interpo
   'ambg'
2 
3 
6 
5 
  
TACOP/CLCOR ante 4;opc 'sdbl';clcorp -200
6 
 
7 
 
  
KRING dofit 4;cparm 0.5,200,300,-1,0;solint
   5/10;refa 3;solm 'rd'/''
7 
 
 
6,7,8,9 
 Full range searched 
SNEDT/CLCAL interpo 'poly';intp 2
7 
9 
8 
10 
 approximate fit to VSOP 
KRING dofit 0;cparm 0.5,-1,30,-1,0;solint
    5;refa 3;solm
   'rd'/'nr'/'r'
 
 
 
11,12,13 
 zoom in 
SNEDT/CLCAL interp 'ambg';
8 
13 
9 
14 
  
CALIB dofit 4
9 
15 
 
 
  
CLCAL interp 'simp';
9 
15 
10 
 
  
SPLIT aparm(1)=2 0;
10 
 
 
 
 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
DTSUM_0.LIS
DTSUM_1.LIS
LISTR.LIS
PRTAN.LIS
POSSM.PS
SN_APCAL_AMP_1.PS
SN_APCAL_AMP_2.PS
SN_CALIB_DEL_1.PS
SN_CALIB_DEL_2.PS
SN_CALIB_PHA_1.PS
SN_CALIB_PHA_2.PS		 SN_CALIB_RAT_1.PS
SN_CALIB_RAT_2.PS
SN_CALIB_SNR_1.PS
SN_CALIB_SNR_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_FRING2_DEL_1.PS		 SN_FRING2_DEL_2.PS
SN_FRING2_RAT_1.PS
SN_FRING2_RAT_2.PS
SN_FRING2_SNR_1.PS
SN_FRING2_SNR_2.PS
UVPLT_UV.PS
UVPLT_UVD.PS
UVPLT_UVPA.PS
VPLOT.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
J1256-05 has a (Ho-Mp) flux of 15 Jy! Who is this monster.

The same rough structure can be seen in the PLS. Core (now resolved into two points) and extend structure to the west.

Image
Ampl, Phase vs (u,v) Distance
PS (48 kb)
JPEG (44 kb)
 Ampl, Phase vs Time
PS (153 kb)
JPEG 1, 2		 (u,v) Coverage
PS (26 kb)
JPEG (28 kb)
Closure Phase vs Time
PS (114 kb)
JPEG 1		 Clean Image
PS (33 kb)
JPEG (48 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (48 kb)
JPEG (45 kb)
 Ampl, Phase vs Time
PS (153 kb)
JPEG 1, 2		 (u,v) Coverage
PS (26 kb)
JPEG (28 kb)
Closure Phase vs Time
PS (113 kb)
JPEG 1		 Image with model components
PS (31 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)
0.286890 2.72385 -75.6398 0.686756 1.00000 0.00000 0.0297
0.197995 0.0777161 -105.773 0.00000 1.00000 0.00000 0.0000
0.143840 0.416897 -86.1240 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 Sep 21 09:12:57 GMT 2004
by db_results.pl version 0.3.