VS02T1 Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 30-07-2003
 

Summary
 
Observation code : VS02T1    AIPS Version : 31DEC03   
Date of Observation : 2002/194    Difmap Version : 2.4a 
Source Name : J0108+0135    vsop_difmap used : No 
Calibration Source(s) :          
Ground telescopes : NT HH KL  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : Yes 
Correlator : Mitaka         

 
Abstract
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.622015 0.534157 -103.074 0.845939 1.00000 0.00000 0.0424
1.04240 0.0507045 -9.28691 0.197148 1.00000 -150.077 1.3088
(*) 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'
 
 
 
 
 Kalyazin has a Tsys of 69 in the log, higher than nominal 50 
APCAL
 
 
 
1 
  
ACCOR solint 5
 
 
 
2 
  
CLCAL refant=1;
1 
1,2 
2,3 
 
 Amplitude calibration solutions applied. HH as ref 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.063,0
3 
 
3 
 
  
FRING docal -1; dparm 2,0,0,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5,6 
 Full range searched 
CLCAL refant=1;interpol 'cube'
3 
3 
6 
 
 The other ooptions did not cope with the high rate of change 
SPLIT aparm(1)=2 0;
6 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap 

AIPS Input Files
ANTAB.TXT Comments
- None -

AIPS Output Files
DTSUM_0.LIS
DTSUM_1.LIS
LISTR.LIS
PRTAN.LIS
POSSM.PS
SN_ACCOR_AMP_1.PS
SN_ACCOR_AMP_2.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
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
Kalyazin has no fringes to 2148+06. Model for 0204+15 is 1.5Jy source, lower than the prelaunch.

J0108+01 is flatter than the PLS (1Jy rather than 0.75 at 140Ml). Extended component to the west, but closer.

Image
Ampl, Phase vs (u,v) Distance
PS (47 kb)
JPEG (42 kb)
 Ampl, Phase vs Time
PS (136 kb)
JPEG 1, 2		 (u,v) Coverage
PS (25 kb)
JPEG (27 kb)
Closure Phase vs Time
PS (104 kb)
JPEG 1		 Clean Image
PS (29 kb)
JPEG (43 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (47 kb)
JPEG (43 kb)
 Ampl, Phase vs Time
PS (135 kb)
JPEG 1, 2		 (u,v) Coverage
PS (25 kb)
JPEG (27 kb)
Closure Phase vs Time
PS (104 kb)
JPEG 1		 Image with model components
PS (33 kb)
JPEG (39 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)
0.622015 0.534157 -103.074 0.845939 1.00000 0.00000 0.0424
1.04240 0.0507045 -9.28691 0.197148 1.00000 -150.077 1.3088
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Thu Mar 10 14:01:36 GMT 2005
by db_results.pl version 0.3.