| VS05J1 Results
Submitted checklist.txt and checklist.tex is also available |
[Summary | AIPS | Difmap ] |
| Observation code | : | VS05J1 | AIPS Version | : | 31DEC00 |
|
||
| Date of Observation | : | 2002/157 | Difmap Version | : | 2.4a | |||
| Source Name | : | J1041+0610 | vsop_difmap used | : | No | |||
| Calibration Source(s) | : | J0811+01 | ||||||
| Ground telescopes | : | UZ HO | Model Fitted to data | : | Yes | |||
| Tracking Station(s) | : | UZ | Image made | : | Yes | |||
| Correlator | : | Mitaka |
| Abstract
very poor solution -- delays/rate fitted polynomially and then in a small window. Two components, equal in strength. |
|
|
|
in |
in |
out |
out |
|
| FITLD | clint = 0.25 digicor = -1 delcorr = -1 |
|
|
|
|
|
| INDXR | cparm = 0, 0, 0.25; |
|
|
|
|
|
| ANTAB | infile='antab.txt' |
|
|
|
|
|
| ACCOR | solint 5 |
|
|
|
|
Sure? It looks like 10! |
| APCAL |
|
|
|
|
||
| CLCAL | refant=1; |
|
|
|
|
Amplitude calibration solutions applied. Usada as ref |
| FRING | docalib = 2; dparm 1,200,200,0,1,0;aparm(7)=0.1;solint 5,10,15 |
|
|
|
|
10 minutes is best |
| SNEDT | parm 0 0 0.5 0.5 0 0 0 5 5 0;interpol 'mwf';doblank 1 bparm 0; smoty 'vlbi' |
|
|
|
|
Curvature of VSOP solutions make smoothing hard. |
| CLCAL | refant=1;interpol 'poly';intpar 4 0 inp |
|
|
|
|
|
| CLCOR | opcode 'gain';antenna 0;clcorprm 1.13,0 |
|
|
|
|
|
| FRING | docalib = 1; dparm 1,50,50,0,5,0;aparm(7)=0.5;solint 10 |
|
|
|
|
|
| SNEDT |
|
|
|
|
||
| SNSMO | bparm 0 0.5 0.5 0;cparm 0 |
|
|
|
|
|
| CLCAL | interpol 'ambg';intpar 0 |
|
|
|
|
Still not very good, but my best effort |
| CLCOR | opcode 'gain';antenna 0;clcorprm 1/sqrt(1.13),0 |
|
|
|
|
Correction correction |
| CLCAL | refant=1;interpol 'poly';intpar 4 0 |
|
|
|
|
Try all methods |
| SNEDT |
|
|
|
|
Clean up a good solution. PLV #1. Deleted! | |
| CLCAL | intp 10;interp 'poly'/'ambg'/'cube' |
|
|
|
|
Try all methods. PLV #2-#6; Selected poly |
| FRING | dparm 2,20,20,0,5,0;solint 10 |
|
|
|
|
|
| SNSMO | cparm 0 0.5 0.5 0;bparm 0 0 1/2 1/6 |
|
|
|
|
|
| CLCAL | interp 'ambg'/'cube' |
|
|
|
|
|
| SNSMO | cparm 0;bparm 0 0 1/2 1/6 |
|
|
|
|
|
| FRING | dparm 2,20,20,0,5,0;solint 5 |
|
|
|
|
|
| SNSMO | cparm 0;bparm 0 0 1/6 1/2 |
|
|
|
|
|
| CLCAL | interp 'cube'/'ambg' |
|
|
|
|
|
| FRING | dparm 2,400,400,0,5,0;solint 5 |
|
|
|
|
Another try |
| SNEDT |
|
|
|
|
||
| CLCAL | interp 'cube'/'ambg' |
|
|
|
|
|
| CALIB | solint 5 |
|
|
|
|
Can't get a good fix on the phases, ended up flagging most |
| SPLIT | aparm(1)=2 0; |
|
|
|
|
Av within IF |
| FITTP |
|
|
|
|
Data written out for analysis in Difmap |
AIPS Input Files
| Comments No J0811+01 in Hobart data? |
AIPS Output Files
| Phase selfcal applied? | Yes |
| Global amplitude selfcal (gscal) applied? | No |
| Amplitude selfcal on non-global timescales used? | Yes |
| Modelfit made and saved? | Yes |
| Image Made and saved? | Yes |
| Comments on Difmap processing
Much flagging, but pretty happy with the results. A more believable model of the source, but matches in that the 2nd component is to the S. |
| Image | ||||
| Ampl, Phase vs (u,v) Distance PS (34 kb) JPEG (47 kb) |
Ampl, Phase vs Time PS (87 kb) JPEG 1, 2 |
(u,v) Coverage PS (17 kb) JPEG (27 kb) | Closure Phase vs Time PS (46 kb) JPEG 1 |
Clean Image PS (29 kb) JPEG (67 kb) |
| Modelfit | ||||
| Ampl, Phase vs (u,v) Distance PS (34 kb) JPEG (45 kb) |
Ampl, Phase vs Time PS (87 kb) JPEG 1, 2 |
(u,v) Coverage PS (17 kb) JPEG (27 kb) | Closure Phase vs Time PS (46 kb) JPEG 1 |
Image with model components PS (33 kb) JPEG (38 kb) |
More details on the Images and Modelfits are found in this page.
