vs01n Results
Submitted checklist.txt and checklist.tex is also available
  [Summary | AIPS | Difmap ]
Analyst: Glenn Piner
Date Prepared: 30-06-2000
 

Summary
 
Observation code : vs01n    AIPS Version : 31DEC99   
Date of Observation : 1999/82    Difmap Version : 2.3c 
Source Name : J0555+3948    vsop_difmap used : Yes 
Calibration Source(s) :          
Ground telescopes : FD,NL,BR,SH  Model Fitted to data : Yes 
Tracking Station(s) : GZ    Image made : Yes 
Correlator : Socorro         

 
Abstract
This survey dataset is an extraction of the GOT experiment v085e The extraction was received on tape from Socorro containing data for four GRTs plus HALCA. FD was flagged before imaging in Difmap.

Imaging and model-fitting both went well and produced good results.

Model
Flux (Jy)
Radius (mas)
Theta (deg)
Major (mas)
Axial ratio
Phi (deg)
TB (10^12 K)
3.90484 0.0286458 -99.7787 0.390374 1.00000 -39.8056 1.2504
2.12030 0.664221 -53.7892 0.603770 1.00000 -34.9920 0.2838
(*) 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 digicor = 1
delcorr = 1
wtthresh = 0.75
 
 
 
 
 
MSORT
 
 
 
 
 
INDXR cparm 0,0,0.25
infile = 'INDXR.TXT'
 
 
 
 
OBTAB
 
 
 
 
 
ACCOR solint=5
 
 
 
 
CLCAL interpol '2pt'
 
 
VLOG
 
 
 
 
 
ANTAB
 
 
 
 
No tsys information for SH, used nominal tsys and gain. 
APCAL
 
 
 
 
CLCAL interpol '2pt'
 
 
FRING docalib = 1
gainuse = 3
flagver = 1
refant = 2
solint = 5
aparm = 2,0,0,0,0,1,3,0,1,0
dparm = 0,1000,200,0
 
 
 
fringes found to HALCA with good SNR 
CLCAL interpol 'ambg'
 
 
SPLIT docalib=1
gainuse=4
aparm=2,2,0
 
 
 
 
 
FITTP
 
 
 
 
 

AIPS Input Files
INDXR.TXT
ANTAB.TXT
UVFLG.TXT
Comments
No tsys information for SH, used nominal tsys and gain.

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
POSSM01_AP_1.PS
POSSM01_AP_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

Image
Ampl, Phase vs (u,v) Distance
PS (42 kb)
GIF (6 kb)
Ampl, Phase vs Time
PS (253 kb)
GIF 1, 2, 3
(u,v) Coverage
PS (23 kb)
GIF (5 kb)
Closure Phase vs Time
PS (287 kb)
GIF 1, 2
Clean Image
PS (38 kb)
GIF (31 kb)
Modelfit
Ampl, Phase vs (u,v) Distance
PS (42 kb)
GIF (6 kb)
Ampl, Phase vs Time
PS (253 kb)
GIF 1, 2, 3
(u,v) Coverage
PS (23 kb)
GIF (5 kb)
Closure Phase vs Time
PS (287 kb)
GIF 1, 2
Image with model components
PS (37 kb)
GIF (7 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)
3.90484 0.0286458 -99.7787 0.390374 1.00000 -39.8056 1.2504
2.12030 0.664221 -53.7892 0.603770 1.00000 -34.9920 0.2838
(*) Quoted Brightness temperatures assume Gaussian components and are in the local (z=0) frame.



Last updated on Mon Aug 7 11:34:54 GMT 2000
by db_results.pl version 0.2.0.