| VS07y Results
Submitted checklist.txt and checklist.tex is also available |
[Summary | AIPS | Difmap ] |
| Observation code | : | VS07y | AIPS Version | : | 15APR99 | |
| Date of Observation | : | 1998/86 | Difmap Version | : | 2.3c | |
| Source Name | : | J0541-05 | vsop_difmap used | : | Yes | |
| Calibration Source(s) | : | 0528+134 | ||||
| Ground telescopes | : | HartRAO, Noto | Model Fitted to data | : | No | |
| Tracking Station(s) | : | GZ | Image made | : | No | |
| Correlator | : | Penticton |
| Abstract
This is a 2 GRTs VSOP survey experiment. No fringes were found to Halca. As a result, there was only one ground baseline detection for both survey source (J0541-05) and calibrator (0528+134). J0541-05 had a correlated flux density of 0.04Jy at about 105M-lambda. This seemed to be unreasonable low compared with the PLS results of 0.6Jy at 120M-lambda, though the source is variable. The correlated flux density for 0528+134 was ~0.85Jy at 105M-lambda. No PLS results available. No necessary for a re-scheduling as a new experiment has been done on 12-Sep-1999. |
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| FITLD | douvcomp=1;dotable=1 |
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load the uv FITS data into AIPS |
| MSORT | sort='TB' |
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sort the data to 'TB' order |
| INDXR | cparm(3)=0.25 |
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index uv data with 0.25 min CL entry interval |
| TACOP |
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protect original CL1 | |
| ANTAB |
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determine the Tsys and gain curve (see ANTAB.TXT file). Tsys=95K for Halca | |
| APCAL | opcode=' ' |
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generate an amplitude calibration solution table |
| CLCAL | opcode='CALI' smotype='ampl ' refant=0 |
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apply amplitude calibration solution |
| FRING | docalib=1 flagv=1;solint=4;refant=1 aparm=2,0,0,0,0,1,2,0 dparm=1,5000,500,0,1,0 antwt=1,1,30 |
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FFT fringe fitting test run (no space fringe with an SNR cutoff of 3!) |
| TACOP |
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protect CL3 | |
| CLCOR | opcode='sbdl';timer=0 antenna=2,0;clcorprm=1272.8,1272.8,0 (antenna=3,0;clcorprm=2484,2484,0) |
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apply delay offsets to each IF residual delay |
| FRING | docalib=1 flagv=1;solint=4;refant=1 search=2,0 aparm=2,0,0,0,0,1,3,0,1,0 dparm=1,200,200,0 |
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FFT+LLS fringe fitting with narrow searching windows (still no space fringes!) |
| CLCAL | opcode='CALP';interpol='AMBG';smotype='VLBI' refant=1 cals=sour='J0541-05' (cals=sour='0528+134') |
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apply fringe fitting solutions (2 times) |
| TACOP |
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protect CL5 | |
| CLCOR | opcode='GAIN';timer=0 antenna=0;clcorprm=0.91,0 |
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Penticton gain correction |
| TASAV |
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copy all extension tables to a dummy file | |
| SPLIT | docalib=1;flagv=1 douvcomp=1;aparm=2,0 |
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make calibrated single-source data files: J0541-05.SPLIT and 0528+134.SPLIT |
| FITTP |
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export each single-source file in FITS format to disk file for further imaging analysis |
AIPS Input Files
| INDXR.TXT ANTAB.TXT |
Comments - None - |
AIPS Output Files
| Phase selfcal applied? | No |
| Global amplitude selfcal (gscal) applied? | No |
| Amplitude selfcal on non-global timescales used? | No |
| Modelfit made and saved? | No |
| Image Made and saved? | No |
| Comments on Difmap processing
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