EVN User Experiment Pipeline Feedback
Last updated: Tue Jun 29 14:39:17 CEST 2021
zparagi@jive.eu
General Comments.
(
Brief data summary
and
scan listing
)
EM148. C-band EVN+e-MERLIN phase-referencing experiment, observed on 6 March 2020. The data rate was 1024 Mbps (4 x 32 MHz subbands, in both LCP and RCP polarizations, two-bit sampling). The target source SNR41.95+575 was calibrated using the phase-reference source J0955+6903. There were some other calibrators observed. This pipeline shows the results for the main phase-centre only. There was an additionap phase-centre on J095552+6940.
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 1.5 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. Nominal SEFDs were used for e-MERLIN outstations. The a-priori calibration of this run is very good.
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.
Fringe-fit rate solutions
Comments.
SN2 station rate solutions.
Telescope bandpasses
Comments.
Bandpass table 1. J1407+2827 and J0955+6903 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 1.5-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:
SNR41.95+575:
pdf
, or
FITS
.
J1331+3030: pdf (not available)
, or
FITS (not available)
.
J0955+6903: pdf (not available)
, or
FITS (not available)
.
J1407+2827: pdf (not available)
, or
FITS (not available)
.
J0319+4130: pdf (not available)
, or
FITS (not available)
.
J1026+7032: pdf (not available)
, or
FITS (not available)
.
Comments.
Uniformly weighted dirty map (not useful for bright sources)
produced before self-cal of:
SNR41.95+575:
pdf
, or
FITS
.
J1331+3030: pdf (not available)
, or
FITS (not available)
.
J0955+6903: pdf (not available)
, or
FITS (not available)
.
J1407+2827: pdf (not available)
, or
FITS (not available)
.
J0319+4130: pdf (not available)
, or
FITS (not available)
.
J1026+7032: pdf (not available)
, or
FITS (not available)
.
Comments.
Phase corrections applied to a priori calibrated and
fringe-fitted data by self-calibration.
SNR41.95+575 (not available)
.
J1331+3030
.
J0955+6903
.
J1407+2827
.
J0319+4130
.
J1026+7032
.
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.
SNR41.95+575: pdf (not available)
, or
text file (not available)
, or
statistical summary (not available)
.
J1331+3030:
pdf
, or
text file
, or
statistical summary
.
J0955+6903:
pdf
, or
text file
, or
statistical summary
.
J1407+2827:
pdf
, or
text file
, or
statistical summary
.
J0319+4130:
pdf
, or
text file
, or
statistical summary
.
J1026+7032:
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:
SNR41.95+575 (not available)
.
J1331+3030
.
J0955+6903
.
J1407+2827
.
J0319+4130
.
J1026+7032
.
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:
SNR41.95+575 (not available)
.
J1331+3030
.
J0955+6903
.
J1407+2827
.
J0319+4130
.
J1026+7032
.
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:
SNR41.95+575:
pdf
, or
png
.
J1331+3030:
pdf
, or
png
.
J0955+6903:
pdf
, or
png
.
J1407+2827:
pdf
, or
png
.
J0319+4130:
pdf
, or
png
.
J1026+7032:
pdf
, or
png
.
Comments.
For each source, a plot of amp vs. |uv| distance.
u,v coverage for:
SNR41.95+575:
pdf
, or
png
.
J1331+3030:
pdf
, or
png
.
J0955+6903:
pdf
, or
png
.
J1407+2827:
pdf
, or
png
.
J0319+4130:
pdf
, or
png
.
J1026+7032:
pdf
, or
png
.
Comments.
For each source, a plot of the u-v coverage.
Crude maps of sources:
SNR41.95+575:
pdf
, or
FITS
.
J1331+3030:
pdf
, or
FITS
.
J0955+6903:
pdf
, or
FITS
.
J1407+2827:
pdf
, or
FITS
.
J0319+4130:
pdf
, or
FITS
.
J1026+7032:
pdf
, or
FITS
.
Comments.
For each source, a CLEAN map resulting from the automated fringing and self-cal iterations in the pipeline script.