VS05V2 Results
Submitted checklist.txt and checklist.tex is also available
  [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 28-08-2004
 

Summary
 
Observation code : VS05V2    AIPS Version : 31DEC03   
Date of Observation : 2002/115    Difmap Version : 2.4a 
Source Name : J0825+0309    vsop_difmap used : No 
Calibration Source(s) : J0811+01         
Ground telescopes : MP HO UD  Model Fitted to data : Yes 
Tracking Station(s) : none    Image made : Yes 
Correlator : Mitaka         

 
Abstract
only the GRTs
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.679105 0.292640 85.5354 0.652684 1.00000 -153.741 0.0778
(*) 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;
 
 
 
 
ANTAB infile='antab.txt'
 
 
 
 
 
APCAL
 
 
 
 
ACCOR solint 5
 
 
 
 
CLCAL refant=1;
1,2 
2,3 
 
Amplitude calibration solutions applied. 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.063,0
 
 
 
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5 
Full range searched 
CLCAL refant=1;interpo
   'ambg'/'cube'
4,5 
 
 
SPLIT aparm(1)=2 0;
 
 
 
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
VPLOT.PS
POSSM.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_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? No
Amplitude selfcal on non-global timescales used? No
Modelfit made and saved? Yes
Image Made and saved? Yes
Comments on Difmap processing
No signal on USUDA to J0811+01

The point source fitted to VS05V is too high on the long (but still GRT) baselines. An explaination would be that the source has started to resolve.


Image
Ampl, Phase vs (u,v) Distance
PS (42 kb)
JPEG (33 kb)
Ampl, Phase vs Time
PS (96 kb)
JPEG 1, 2
(u,v) Coverage
PS (24 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (49 kb)
JPEG 1
Clean Image
PS (34 kb)
JPEG (67 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (27 kb)
JPEG (33 kb)
Ampl, Phase vs Time
PS (88 kb)
JPEG 1, 2
(u,v) Coverage
PS (24 kb)
JPEG (26 kb)
Closure Phase vs Time
PS (47 kb)
JPEG 1
Image with model components
PS (825 bytes)
JPEG (0 bytes)

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)
0.679105 0.292640 85.5354 0.652684 1.00000 -153.741 0.0778
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.



Last updated on Thu Aug 26 11:08:31 GMT 2004
by db_results.pl version 0.3.