EVN User Experiment Pipeline Feedback


Pipeline feedback for experiment N08L1. If you have any comments on this experiment please email the address below.
A detailed description of the pipeline output is available.

Last updated: Mon Apr 14 16:45:15 CEST 2008 cimo@jive.nl

General Comments. ( Brief data summary and scan listing )
L band Network Monitoring Experiment, observed on 28 Feb 2008. Data rate was 256 Mbps (4 X 8 MHz subbands, dual polarization, two-bit sampling). The source '0229+131 was calibrated using the phase-reference source '0235+164'. Other observed sources: J0019+2021, 3C454.3 and 3C84.
11 stations participated. Tr shows phase jumps. Ur reported: "the first 20min failed for a little problem"

The EVN reliability indicator (ERI) for this experiment was ERI = 0.98 . ERI* = 0.98 . (CM=1, EF=1, JB=1, MC=1, NT=1, ON=1, SH=1, TR=1, UR=0.92, WB=1, HH=1)

Plots of the autocorrelations
Comments.
Each scan plotted separately.

plots of the uncalibrated amplitude and phase against time
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Plots of the uncalibrated amplitude and phase against frequency channel
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No calibration applied yet

The uncalibrated amplitude and phase of the crosshand correlations against frequency channel
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TSYS against time
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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).
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Fringe-fit phase solutions (including Parallactic Angle correction).
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Fringe-fit delay solutions
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Fringe-fit rate solutions
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Telescope bandpasses
Comments.
"3C454.3" was used as bandpass calibrator.

Calibrated amplitude and phase against time (a priori amplitude calibration and fringe-fit solutions applied).
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Calibrated amplitude and phase against frequency channel
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Naturally weighted dirty map (not useful for bright sources) produced before self-cal of:
0235+164: pdf (not available) , or FITS (not available) .
3C84: pdf (not available) , or FITS (not available) .
J0019+2021: pdf (not available) , or FITS (not available) .
0229+131: pdf , or FITS .
3C454.3: pdf (not available) , or FITS (not available) .
Comments.

Uniformly weighted dirty map (not useful for bright sources) produced before self-cal of:
0235+164: pdf (not available) , or FITS (not available) .
3C84: pdf (not available) , or FITS (not available) .
J0019+2021: pdf (not available) , or FITS (not available) .
0229+131: pdf , or FITS .
3C454.3: pdf (not available) , or FITS (not available) .
Comments.

Phase corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
0235+164 .
3C84 .
J0019+2021 .
0229+131 (not available) .
3C454.3 .
Comments.

Amplitude corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
0235+164: pdf , or text file , or statistical summary .
3C84: pdf , or text file , or statistical summary .
J0019+2021: pdf , or text file , or statistical summary .
0229+131: pdf (not available) , or text file (not available) , or statistical summary (not available) .
3C454.3: pdf , or text file , or statistical summary .
Comments.

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).
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Residual closure phase (visibility closure phase with model closure phase subtracted) for:
0235+164 .
3C84 .
J0019+2021 .
0229+131 (not available) .
3C454.3 .
Comments.

Calibrated visibilities and the source model of:
0235+164 .
3C84 .
J0019+2021 .
0229+131 (not available) .
3C454.3 .
Comments.
For the fringed source, plots of amp/phase calibrated and with a model-line overplotted. Phase-referencing worked very well: target phases well reproduced by the model.

Calibrated visibilities against u,v distance for:
0235+164: pdf , or png .
3C84: pdf , or png .
J0019+2021: pdf , or png .
0229+131: pdf , or png .
3C454.3: pdf , or png .
Comments.

u,v coverage for:
0235+164: pdf , or png .
3C84: pdf , or png .
J0019+2021: pdf , or png .
0229+131: pdf , or png .
3C454.3: pdf , or png .
Comments.

Crude maps of sources:
0235+164: pdf , or FITS .
3C84: pdf , or FITS .
J0019+2021: pdf , or FITS .
0229+131: pdf , or FITS .
3C454.3: 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.