---+!! <center>Some notes on the JSDC V2 released to ESO on april 2014 - V2014-04-23 </center> %TOC% ---++ Files and additional stuff: * [[http://apps.jmmc.fr/~sclcat/JSDC/][the fits file with limited columns and associated records with initial column set under votable file format]] * [[http://apps.jmmc.fr/~sclcat/JSDC_supplementary/][additional "unordered" stuff with more data and logs]] * [[http://apps.jmmc.fr/exist/apps/myapp/jsdc-otypes.html][simbad otypes black list]] ---++ Main changes: * new color relations fitted on 195 stars (SNR>20, residuals < 5 sigma) * refined filtering: * -0.5 < Av < 3 * chi2 < 25 for av/dist, distance modulus & diameters * modified e_LDD: diameter error corrected by LDD_chi2: Error on limb-darkened diameter (= weighted mean diameter error x SQRT(chi2) if chi2 > 1) * removed useless LDD_quality column (former max_residuals on diameters) * filtering uses all simbad otypes ---++ Numbers * input : 95482 stars from HIP2 * output : 74470 stars ---+++ Filtering stage |*time*|*step*|*desc*|*#columns*|*#rows*| |2014-04-22T19-08-23 | Step 0 (catalog.vot -> catalog0.fits) | Convert raw VOTable catalog to FITS ... | 183 | 95482| |2014-04-22T19-08-37 | Step 1 (catalog0.fits -> catalog1.fits) | Keep stars with diamFlag==1 ... | 183 | 87728| |2014-04-22T19-08-41 | Step 2 (catalog1.fits -> catalog2.fits) | Rejecting stars with SB9 references ... | 183 | 86259| |2014-04-22T19-08-45 | Step 3 (catalog2.fits -> catalog3.fits) | Rejecting stars with WDS references ... | 183 | 79501| |2014-04-22T19-08-48 | Step 4 (catalog3.fits -> catalog4.fits) | Rejecting stars with MultFlag=S ... | 183 | 79178| |2014-04-22T19-08-52 | Step 5 (catalog4.fits -> catalog5.fits) | Rejecting badcal stars ... | 183 | 79112| |2014-04-22T19-08-57 | Step 6 (catalog5.fits -> catalog6.fits) | Rejecting stars with bad simbad otypes ... | 183 | 74470| |2014-04-22T19-09-42 | Step 7 (catalog6.fits -> catalog7.fits) | Adding the 'Name' column to use one simbad script ... | 184 | 74470| |2014-04-22T19-09-46 | Step 8 (catalog7.fits -> catalog8.fits) | Flagging duplicated Name entries ... | 184 | 74470| |2014-04-22T19-09-48 | Step 9 (catalog8.fits -> catalog9.fits) | Renaming column from | 184 | 74470| |2014-04-22T19-09-52 | Step 10 (catalog9.fits -> catalog10.fits) | Keeping final columns set | 62 | 74470| |2014-04-22T19-09-54 | Step 11 (catalog10.fits -> catalog11.fits) | Clean useless params of catalog ... | 62 | 74470| ---++ Comparison vs JSDC V1: * http://apps.jmmc.fr/~sclcat/JSDC_supplementary/jsdc_2014_04_23/DIFF_JSDC_V1.fits_jsdc-SVN20140422.fits/ * 5269 JSDC V1 not retrieved * 41267 new ones ---++ Comparison vs [[http://vizier.u-strasbg.fr/viz-bin/VizieR-3?-source=V/50/catalog][Bright star catalog]] * BSC contains 9110 rows (a small fraction describes multiple systems) * 9016 entries are included in HIP2, +250 of them have not been retained in the original list for JSDC V2 because of error on the plx * 8727 (96%) BSC stars have been processed when constructing the JSDC but only 4836 (53%) get a robust diameter * 1237 haven't good enough information to compute a robust diameter * 1564 have been rejected for multiplicity * 1047 have been rejected for bad object types * others are rejected by badcal ---++ Comparison vs Borde Merand TODO ---++ Improvment space * ~15 stars remain in this catalog which are probably binaries because included in TDS with a separation measure < 5 arc -- Main.GuillaumeMella - 24 Apr 2014
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Topic revision: r1 - 2014-04-24 - GuillaumeMella
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