EVN User Experiment Pipeline Feedback


Pipeline feedback for experiment EL033C. If you have any comments on this experiment please email the address below.
A detailed description of the pipeline output is available.

Last updated: Wed Nov 15 16:19:59 CET 2006 campbell@jive.nl

General Comments. ( Brief data summary and scan listing )
EL033C had 9 stations, 4 8MHz IFs, and four polarizations. There were 16 frequency points per IF/pol, and integration times were 2s. Considerably more information is included in the experiment's cover letter on the standard-plots portion of the EVN Archive. In the pipelining, NGC4151, NGC5548, and ARP102B were not fringed individually, since they were targets in phase-referencing pairs. The SOLINT was 2 minutes (representative length of a reference-source scan in a phase-ref cycle). Because of Ef's problem early in the experiment with the data loss from the unrecoverable disk-pack, Tr was used as a second reference station.

The EVN reliability indicator (ERI) for this experiment was ERI = 0.963 . ERI* = 0.963 . The ERI was 0.963. The losses include Ef's unrecoverable disk-pack (12:00-14:20).

Plots of the autocorrelations
Comments.
300 pages, each scan plotted separately, all stations (~2p/scan).

plots of the uncalibrated amplitude and phase against time
Comments.
32 pages, full-experiment for Ef-* and Tr-* baselines, no calibration applied. A 2 minute plot-averaging was used.

Plots of the uncalibrated amplitude and phase against frequency channel
Comments.
487 pages, scalar averaged Ef-* and Tr-* baselines, each scan plotted separately. No calibration applied yet.

The uncalibrated amplitude and phase of the crosshand correlations against frequency channel
Comments.
276 pages, scalar averaged Ef-* and Tr-* baselines for the polarization product LR (1p/scan).

TSYS against time
Comments.
8 pages, TY1 table, each IF/pol on a separate plot.

Telescope sensitivities from the a priori TSYS and Gain curves (the square of this number gives the antenna noise (SEFD) in Jy - the smaller the better).
Comments.
8 pages, gain amplitude from CL2 table.

Fringe-fit phase solutions (including Parallactic Angle correction).
Comments.
8 pages, CL3 station phase solutions -- CL3 = CL2+SN2, thus also includes the initial amplitude/parallactic angle calibration from CL2 and the fringe solutions from SN2.

Fringe-fit delay solutions
Comments.
8 pages, SN2 station delay solutions for the fringed sources, each IF/pol on a separate plot. Outliers in Sh & Ur at the same times. For this experiment, one lag corresponds to 1/16 microsecond of delay.

Fringe-fit rate solutions
Comments.
8 pages, SN2 station rate solutions. Ur & Sh have the same outliers as in delay.

Telescope bandpasses
Comments.
2 pages, bandpass table 1. MKN668 was used for bandpass calibration.

Calibrated amplitude and phase against time (a priori amplitude calibration and fringe-fit solutions applied).
Comments.
32 pages, full-experiment for Ef-* and Tr-* baselines, calibrated with CL3. The 2-min plot-averaging still applied. Following the fringing, essentially only the calibrator sources remain.

Calibrated amplitude and phase against frequency channel
Comments.
487 pages; Ef-* and Tr-* baselines calibrated with CL3 and BP1. The amp and phase plots self-scale, not necessarily going down to 0 in the case of the amps.

Naturally weighted dirty map (not useful for bright sources) produced before self-cal of:
3C303: pdf (not available) , or FITS (not available) .
ARP102B: pdf , or FITS .
NGC4151: pdf , or FITS .
MKN668: pdf (not available) , or FITS (not available) .
J1713+4916: pdf (not available) , or FITS (not available) .
NGC5548: pdf , or FITS .
3C382: pdf (not available) , or FITS (not available) .
J1419+2706: pdf (not available) , or FITS (not available) .
J1206+3941: pdf (not available) , or FITS (not available) .
Comments.

Uniformly weighted dirty map (not useful for bright sources) produced before self-cal of:
3C303: pdf (not available) , or FITS (not available) .
ARP102B: pdf , or FITS .
NGC4151: pdf , or FITS .
MKN668: pdf (not available) , or FITS (not available) .
J1713+4916: pdf (not available) , or FITS (not available) .
NGC5548: pdf , or FITS .
3C382: pdf (not available) , or FITS (not available) .
J1419+2706: pdf (not available) , or FITS (not available) .
J1206+3941: pdf (not available) , or FITS (not available) .
Comments.

Phase corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
3C303 .
ARP102B (not available) .
NGC4151 (not available) .
MKN668 .
J1713+4916 .
NGC5548 (not available) .
3C382 .
J1419+2706 .
J1206+3941 .
Comments.
Plots of post-SPLIT tables SN1 for the sources that have been individually fringed. About 8 pages per source.

Amplitude corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
3C303: pdf , or text file , or statistical summary .
ARP102B: pdf (not available) , or text file (not available) , or statistical summary (not available) .
NGC4151: pdf (not available) , or text file (not available) , or statistical summary (not available) .
MKN668: pdf , or text file , or statistical summary .
J1713+4916: pdf , or text file , or statistical summary .
NGC5548: pdf (not available) , or text file (not available) , or statistical summary (not available) .
3C382: pdf , or text file , or statistical summary .
J1419+2706: pdf , or text file , or statistical summary .
J1206+3941: pdf , or text file , or statistical summary .
Comments.
As above, but for the post-SPLIT table SN2.

Telescope sensitivities (the total AMP gain applied during both a priori and self calibration; the square of this number gives the antenna noise (SEFD) in Jy).
Comments.
CL4 gain-amp.

Residual closure phase (visibility closure phase with model closure phase subtracted) for:
3C303 .
ARP102B (not available) .
NGC4151 (not available) .
MKN668 .
J1713+4916 .
NGC5548 (not available) .
3C382 .
J1419+2706 .
J1206+3941 .
Comments.
Separate files per (fringed) source, showing closure phase plots for all the triangles (not just Ef-* and Tr-*-*). Only stokes=I shown. Between 10-12 pages per source.

Calibrated visibilities and the source model of:
3C303 .
ARP102B (not available) .
NGC4151 (not available) .
MKN668 .
J1713+4916 .
NGC5548 (not available) .
3C382 .
J1419+2706 .
J1206+3941 .
Comments.
For each (fringed) source, plots of amp/phase on Ef-* and Tr-* baselines, calibrated with (post-SPLIT) table CL3, with a model-line overplotted. About 17 pages per source.

Calibrated visibilities against u,v distance for:
3C303: pdf , or png .
ARP102B: pdf , or png .
NGC4151: pdf , or png .
MKN668: pdf , or png .
J1713+4916: pdf , or png .
NGC5548: pdf , or png .
3C382: pdf , or png .
J1419+2706: pdf , or png .
J1206+3941: pdf , or png .
Comments.
For each source, a plot of amp vs. |uv| distance.

u,v coverage for:
3C303: pdf , or png .
ARP102B: pdf , or png .
NGC4151: pdf , or png .
MKN668: pdf , or png .
J1713+4916: pdf , or png .
NGC5548: pdf , or png .
3C382: pdf , or png .
J1419+2706: pdf , or png .
J1206+3941: pdf , or png .
Comments.
For each source, a plot of the u-v coverage.

Crude maps of sources:
3C303: pdf , or FITS .
ARP102B: pdf , or FITS .
NGC4151: pdf , or FITS .
MKN668: pdf , or FITS .
J1713+4916: pdf , or FITS .
NGC5548: pdf , or FITS .
3C382: pdf , or FITS .
J1419+2706: pdf , or FITS .
J1206+3941: pdf , or FITS .
Comments.
For each source, a CLEAN map resulting from the automated fringing and self-cal iterations (or phase-referencing) in the pipeline script.