EVN User Experiment Pipeline Feedback


Pipeline feedback for experiment N13C2. If you have any comments on this experiment please email the address below.
A detailed description of the pipeline output is available.

Last updated: Tue Aug 6 17:12:53 CEST 2013 duev@jive.nl

General Comments. ( Brief data summary and scan listing )
The C-band NME experiment N13C2 was conducted on 24 May 2013. 15 stations participated in the experiment, mode 512-8-2, dual pol. Ef was used as the reference station in the pipelining data reduction. The sources 0234+285 and 3C84 were the bandpasss calibrators.

The EVN reliability indicator (ERI) for this experiment was ERI = 0.83. ERI* = 0.83 .

Plots of the autocorrelations
Comments.
Each scan plotted separately, all stations.

plots of the uncalibrated amplitude and phase against time
Comments.
Full-experiment for Ef-* baselines, no calibration applied. A 0.2 minute plot-averaging was used.

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

The uncalibrated amplitude and phase of the crosshand correlations against frequency channel
Comments.

TSYS against time
Comments.
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.
Gain amplitude from CL2 table.

Fringe-fit phase solutions (including Parallactic Angle correction).
Comments.
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.
SN2 station delay solutions for the fringed sources, each IF/pol on a separate plot. For this experiment, one lag corresponds to 1/16 microsecond of delay.

Fringe-fit rate solutions
Comments.
SN2 station rate solutions.

Telescope bandpasses
Comments.
Bandpass table 1. 0234+285 and 3C84 were used for bandpass calibration.

Calibrated amplitude and phase against time (a priori amplitude calibration and fringe-fit solutions applied).
Comments.
Full-experiment for Ef-* baselines, calibrated with CL3. The 0.2-min plot-averaging still applied.

Calibrated amplitude and phase against frequency channel
Comments.
Ef-* 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:
DA193: pdf (not available) , or FITS (not available) .
0234+285: pdf (not available) , or FITS (not available) .
0548+378: pdf (not available) , or FITS (not available) .
Comments.

Uniformly weighted dirty map (not useful for bright sources) produced before self-cal of:
DA193: pdf (not available) , or FITS (not available) .
0234+285: pdf (not available) , or FITS (not available) .
0548+378: pdf (not available) , or FITS (not available) .
Comments.

Phase corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
DA193 .
0234+285 .
0548+378 .
Comments.
Plots of post-SPLIT tables SN1 for the sources that have been individually fringed.

Amplitude corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
DA193: pdf , or text file , or statistical summary .
0234+285: pdf , or text file , or statistical summary .
0548+378: 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:
DA193 .
0234+285 .
0548+378 .
Comments.
Separate files per (fringed) source, showing closure phase plots for all the triangles. Only stokes=I shown.

Calibrated visibilities and the source model of:
DA193 .
0234+285 .
0548+378 .
Comments.
For each (fringed) source, plots of amp/phase on Ef-* baselines, calibrated with (post-SPLIT) table CL3, with a model-line overplotted.

Calibrated visibilities against u,v distance for:
DA193: pdf , or png .
0234+285: pdf , or png .
0548+378: pdf , or png .
Comments.
For each source, a plot of amp vs. |uv| distance.

u,v coverage for:
DA193: pdf , or png .
0234+285: pdf , or png .
0548+378: pdf , or png .
Comments.
For each source, a plot of the u-v coverage.

Crude maps of sources:
DA193: pdf , or FITS .
0234+285: pdf , or FITS .
0548+378: pdf , or FITS .
Comments.
For each source, a CLEAN map resulting from the automated fringing and self-cal iterations in the pipeline script.