VS02P1 Results
Submitted checklist.txt and checklist.tex is also available		   [Summary | AIPS | Difmap ]
Analyst: Richard Dodson
Date Prepared: 05-07-2004
 

Summary
 
Observation code : VS02P1    AIPS Version : 31DEC03   
Date of Observation : 2003/261    Difmap Version : 2.4a 
Source Name : J1744-51    vsop_difmap used : No 
Calibration Source(s) : J1617-77         
Ground telescopes : HO HH  Model Fitted to data : Yes 
Tracking Station(s) : UZ    Image made : No 
Correlator : Mitaka         

 
Abstract
Very weak source (50 mJy) has no space fringes. The ATCA is a steady source with just under 4Jy.
Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
0.0551770 0.00000 0.00000 0 0 0 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 
  
ACCOR solint 5
 
 
 
2 
  
CLCAL refant=1;
1 
1,2 
2,3 
 
 Amplitude calibration solutions applied. Mop as ref 
CLCOR opcode 'gain';antenna 0;clcorprm
   1.063,0
3 
 
3 
 
  
FRING docal -1; dparm 2,400,400,0.5,0;aparm(7)=0.1;solint
   5,10,15
 
 
 
3,4,5,6 
  
FRING dparm 2,0,0,0.5,0;aparm(7)=0.1;solint
   10
 
 
 
7 
  
FRING dparm 2,100,30,0.5,0;aparm(7)=0.1;solint
   10/5
 
 
 
8,9 
  
SNEDT
 
8 
 
10 
  
CLCAL refant=1;
3 
10 
4 
 
  
SPLIT aparm(1)=2 0;
4 
 
 
 
 Av within IF 
FITTP
 
 
 
 
 Data written out for analysis in Difmap 

AIPS Input Files
ANTAB.TXT Comments
used nominal_tsys.pl, Tsys for Ho is now ~ 50 vsop no fringes

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? No
Global amplitude selfcal (gscal) applied? No
Amplitude selfcal on non-global timescales used? No
Modelfit made and saved? Yes
Image Made and saved? No
Comments on Difmap processing
Very weak source. No much can be done.

Modelfit
Ampl, Phase vs (u,v) Distance
PS (28 kb)
JPEG (44 kb)
 Ampl, Phase vs Time
PS (81 kb)
JPEG 1, 2		 (u,v) Coverage
PS (15 kb)
JPEG (27 kb)
Closure Phase vs Time
PS (47 kb)
JPEG 1		 Image with model components
PS (27 kb)
JPEG (35 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)
0.0551770 0.00000 0.00000 0 0 0 0.0000
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.


Last updated on Fri Aug 6 10:57:43 GMT 2004
by db_results.pl version 0.3.