EVN User Experiment Pipeline Feedback


Pipeline feedback for experiment GM060. If you have any comments on this experiment please email the address below.
A detailed description of the pipeline output is available.

Last updated: Fri Jun 30 15:08:42 CEST 2006 bignall@jive.nl

General Comments. ( Brief data summary and scan listing )
C band global phase-referencing experiment, observed on 17 Feb 2006. Data rate was 256 Mbps (4 X 8 MHz subbands, dual polarization, two-bit sampling). The target source 'B2108+213' was calibrated using the phase-reference source 'J2106+213'. '3C454.3' was the fringe finder.
17 stations participated (6 EVN stations + VLBA + GBT). Jodrell Bank lost 1 hour due to loss of connection to the Mark 5 unit. Noto had a problem in the first hour with their formatter not being synchronised. Torun had a sensitivity problem.

The EVN reliability indicator (ERI) for this experiment was ERI = 0.93 . ERI* = 0.93 . (EF=1.0, JB=0.9, WB=1.0, MC=1.0, TR=1.0, NT=0.9)

Plots of the autocorrelations
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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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The uncalibrated amplitude and phase of the crosshand correlations against frequency channel (not available)
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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
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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:
J2106+213: pdf (not available) , or FITS (not available) .
3C454.3: pdf (not available) , or FITS (not available) .
B2108+213: pdf , or FITS .
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Uniformly weighted dirty map (not useful for bright sources) produced before self-cal of:
J2106+213: pdf (not available) , or FITS (not available) .
3C454.3: pdf (not available) , or FITS (not available) .
B2108+213: pdf , or FITS .
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Phase corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
J2106+213 .
3C454.3 .
B2108+213 (not available) .
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Amplitude corrections applied to a priori calibrated and fringe-fitted data by self-calibration.
J2106+213: pdf , or text file , or statistical summary .
3C454.3: pdf , or text file , or statistical summary .
B2108+213: pdf (not available) , or text file (not available) , or statistical summary (not available) .
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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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Torun sensitivity is much lower than expected (amplitude gain reduced by a factor of ~5). The reason for this is not known. Torun performed OK in the previous day's Network Monitoring Experiment with similar setup and observing frequency.

Residual closure phase (visibility closure phase with model closure phase subtracted) for:
J2106+213 .
3C454.3 .
B2108+213 (not available) .
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Calibrated visibilities and the source model of:
J2106+213 .
3C454.3 .
B2108+213 (not available) .
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Calibrated visibilities against u,v distance for:
J2106+213: pdf , or png .
3C454.3: pdf , or png .
B2108+213: pdf , or png .
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u,v coverage for:
J2106+213: pdf , or png .
3C454.3: pdf , or png .
B2108+213: pdf , or png .
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Crude maps of sources:
J2106+213: pdf , or FITS .
3C454.3: pdf , or FITS .
B2108+213: pdf , or FITS .
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