Hi Miguel -- The full correlation and FITS preparation for EP075E has finished, and I've just finished reviewing the results and preparing various plots for you to look at. The correlation had three passes, using: 10 stations (EfWbJbOnMcTrYsBdUrSh) -- Sv had no data, see below 8 16MHz IFs (Upper/Lower sidebands; DC edges = 4942.49, 4974.49, 5006.49, 5038.49) 4 polarizations per IF 32 frequency points per IF/pol 1s integration time There were 5 different output multiple phase-center targets, each with its own set of complete FITS files: ep075e_1_1.IDI ARP299A ep075e_2_1.IDI ARP299B ep075e_3_1.IDI ARP299C ep075e_4_1.IDI ARP299C2S ep075e_5_1.IDI ARP299D You can download the FITS files directly from the Data Archive as described below (you can arrange a password through me). Each individual FITS file is ~1.8GB; and there are a total of 7 files per target (12.4 GB per target; 62 GB total). EVN and Global VLBI Observations correlated at the EVN MkIV Data Processor at JIVE are now automatically calibrated via a pipeline process. You will receive email notification when the pipeline is complete. In particular, the a priori amplitude calibration table (and the associated, final ANTAB file), plus various other tables and plots will be available to download from the Pipeline page on the EVN archive. (Note that the unprocessed station- generated *.antabfs files under the Station Logfiles page of the archive are not directly usable.) A description of the pipelining process can be found at: www.evlbi.org/pipeline/user_expts.html The EVN data archive at JIVE is now a central location for obtaining the information you need in reviewing your project. You can find network feedback from the stations, standard plots from the correlation review done here prior to distribution, pipeline results, and the FITS files themselves. Contact your support scientist to arrange for a password with which you can download your FITS file(s) from the archive directly. See the EVN Users' Guide in www.evlbi.org for a link to the EVN Archive policy -- in short, data from sources you identified as target/private in pre-correlation e-mail will not be made public, nor will pipeline images be made from them, for one year from distribution. The archive can be accessed via: www.jive.nl/select-experiment (or via the menu items of the main jive page www.jive.nl). Once in this portal to the EVN data archive, you can click on your experiment in the pull-down menu in the "Select Experiment" window; then click on the link "Show Experiment" that will appear immediately below this. You will then see a new window for your experiment, from which you can select from the various sorts of data available from the menu row along the top: *) Station Feedback = information provided by the stations' VLBI friends about the conduct of the experiment *) Station Logfiles = sched-based files you uploaded to VLBEER, observing log-files from the stations, other unprocessed station-generated files. *) Standard plots = the plots described below in a variety of formats, a copy of this cover letter *) Pipeline = pipeline plots; the ANTAB, UVFLG, and CHFLAG files used in pipelining *) Fitsfiles = FITS files, plus an associated README in case there are multiple correlator passes each with its own set of FITS files. The proprietary period for data on the EVN archive is 1 year (the raw FITS files and pipeline results relating to sources you identified as "private" receive password protection during the proprietary period). For more details, see www.evlbi.org/user_guide/archive_policy.html Papers that result from your EVN observations should carry the standard EVN acknowledgment: The European VLBI Network is a joint facility of European, Chinese, South African and other radio astronomy institutes funded by their national research councils. This is a TNA-eligible project, so financial assistance would be available to a team member located within the EU or associated states for visiting JIVE or other EVN institutes in conjunction with analysis. The generic TNA description is attached. Contact campbell@jive.nl for more details. -----------------o----------------- General comments: Zc, Nt - not scheduled on block schedule. Sv - missed the L-band and C-band portions of the Oct/Nov'12 session while undergoing a repair of its central bearing. Mc - participated as a 1-bit sampling station to avoid their Gb/s formatter problem they had during the Oct/Nov'12 session. Jb - Jodrell1 had a casualty in an azimuth-track wheel; it was replaced with Jodrell2 through the Oct/Nov session, and Jodrell2 was added back into scans that Jodrell1 originally was scheduled to miss because of its slewing limitations. Lost about a half hour at the time of a disk-pack change. Ur - low amp IF7-8/RCP; not as low amp IF3-4/LCP Sh - synch error ~0625-0631 (visible as a low-amp J1128 scan in the amp(t) plot) -----------------o----------------- PLOTS All plots discussed here were made while the data were still in aips++ Measurement Sets prior to conversion to FITS files. The station/IF numbering is 0-based in the aips++ plots, but 1-based in the FITS data (1-based numbering used below). The names of the standard plots are: ep075e-weight.ps station weight vs. time ep075e-auto-[1,2].ps station autocorrelation vs. freq ep075e-cross-[1,2][a,p].ps baseline amp/phs vs. freq ep075e-ampphase-[a,p][2].ps Ef-* baseline amp/phs vs. time There were 5 different output multiple phase-center targets, but the standard plots show visibility data from only the reference source and fringe-finder, so only one set of standard plots is needed. The auto and cross plots show data from scans 2 ([1], 4C39.25) and 123 ([2], J1128+5925). Specific points in regard to the various plots are below. (a) WEIGHT plots The plots shows the weights for all IFs/pols per station, with each 1s integration plotted as a separate ".". The IF/pol color/coding is: IF1/RR = red IF1/LL = blue IF2/RR = cyan IF2/LL = green IF3/RR = pink IF3/LL = med.grey IF4/RR = brown IF4/LL = purple IF5/RR = teal IF5/LL = yellow IF6/RR = steel blue IF6/LL = lt.grey IF7/RR = black IF7/LL = orange IF8/RR = lt.green IF8/LL = lt.purple Before making the FITS files, I flagged weights at 0.4 (integrations below this are in the FITS files, but with negative weights). (b) AUTOCORRELATION SPECTRA [*auto*] plots The plots show data from the scans listed above. The IFs for each station are separted by the vertical dashed lines. Since each station self-scales, y-axes may not go down to zero. The polarization color-coding is RR=red, LL=blue. The data have already been corrected for the 2-bit van Vleck compensation, so ACCOR shouldn't be run. It should be okay to use autocorrelations for bandpass corrections or to use ACFIT. (c) BASELINE SPECTRA [*cross*] plots The baseline vs. frequency plots show vector-averaged amplitude and phase for all baselines for same the time ranges as the autocorrelation plots, with with amp & phase going to separate plots denoted by the 'a' or 'p' following the scan identifier, using the same baseline lay-out on the page. IFs per baseline are separated by the dashed vertical lines. The polarization color-coding is RR=red, LL=blue. RL=cyan, LR=green. (The second phs(freq) plot omits the cross-pols because of their weakness; they just added clutter to the plots for non-Ef baselines.) (d) AMP/PHASE(t) [*ampphase*] plots The baseline vs. time plots show amplitude and phase for non-target scans, with amp & phase going to separate plots, denoted by the 'a' or 'p' following 'ampphase-'. Each 1s integration is plotted as a separate ".", with the middle 80% of the band used for vector-averaging over frequency. The plots use the same IF/pol color-coding as in the weight plots. The main amp(t) plot shows only J1128+5925 scans, because including 4C39.25 would dominate the y-axis scale. The second amp(t) plot [ampphase-a2] shows the amp(t) for the two 4C39.25 scans.