VS05L Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 16-03-2005
 

Summary
 
Observation code : VS05L    AIPS Version : 31DEC02   
Date of Observation : 1999/85    Difmap Version : 2.4a 
Source Name : J0646+4451    vsop_difmap used : No 
Calibration Source(s) : 0552+398/0923+392         
Ground telescopes : EB KP NL PT (BR LA FD HN OV)  Model Fitted to data : Yes 
Tracking Station(s) : GZ (RZ)    Image made : Yes 
Correlator : Socorro         

 
Abstract
Extraction from V047j.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
1.25235 0.0727387 114.982 0.265872 1.00000 0.00000 0.8646
0.383309 0.187658 -90.9341 0.00000 1.00000 0.00000 0.0000
0.0734141 0.748188 -31.9093 0.341608 1.00000 -138.748 0.0307
(*) 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 docal -1; dparm 2,400/800,400,0.5,0;aparm(7)=0.5;solint
   5
 
 
 
2,3 
 Full range searched 
TACOP
2 
 
3 
 
  
CLCOR opcode 'sbdl';antenna 1 0;clcorprm
   -100
opcode 'sbdl';antenna 2 0;clcorprm
   -400
3 
 
3 
 
  
FRING docal 1; dparm 2,200,200,0.5,0;aparm(7)=0.5;solint
   5
3 
 
 
4 
 Full range searched 
CLCAL refant=2;interpo
   'ambg'/'cube'
3 
4 
4,5 
 
  
ACCOR solint 5
 
 
 
5 
  
CLCAL refant=1;
5 
5 
6 
 
  
SPLIT aparm(1)=2 0;
6 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap amplitude 

AIPS Input Files
ANTAB.TXT Comments
used nominal_tsys.pl

Additional Files
NameDescription
difmap/SURVS05L.OJPSurvey run file

AIPS Output Files
PRTAN.LIS
LISTR.LIS
DTSUM_0.LIS
DTSUM_1.LIS
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_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


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
Extended source, with second component. 2nd is at 90 degree (N) direction of the PLS (+ICRF) extention.

In the cleaned image there was also a weak extention to the south

Image
Ampl, Phase vs (u,v) Distance
PS (146 kb)
JPEG (47 kb)
 Ampl, Phase vs Time
PS (828 kb)
JPEG 1, 2, 3, 4, 5, 6		 (u,v) Coverage
PS (73 kb)
JPEG (34 kb)
Closure Phase vs Time
PS (2421 kb)
JPEG 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16		 Clean Image
PS (36 kb)
JPEG (43 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (146 kb)
JPEG (48 kb)
 Ampl, Phase vs Time
PS (828 kb)
JPEG 1, 2, 3, 4, 5, 6		 (u,v) Coverage
PS (73 kb)
JPEG (34 kb)
Closure Phase vs Time
PS (2421 kb)
JPEG 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16		 Image with model components
PS (38 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)
1.25235 0.0727387 114.982 0.265872 1.00000 0.00000 0.8646
0.383309 0.187658 -90.9341 0.00000 1.00000 0.00000 0.0000
0.0734141 0.748188 -31.9093 0.341608 1.00000 -138.748 0.0307
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Thu Mar 17 11:11:04 GMT 2005
by db_results.pl version 0.3.