/ftp/cats/VII/219



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VII/219             Revised Flat Galaxy Catalogue (RFGC)   (Karachentsev+, 1999)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
	rfgc.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=VII/219
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Beginning of ReadMe : VII/219 Revised Flat Galaxy Catalogue (RFGC) (Karachentsev+, 1999) ================================================================================ The revised flat galaxy catalogue Karachentsev I.D., Karachentseva V.E., Kudrya Y.N., Sharina M.E., Parnovsky S.L. <Bull. Special Astrophys. Obs., 47, 5 (1999)> =1999BSAO...47....5K ================================================================================ ADC_Keywords: Galaxy catalogs ; Morphology ; Magnitudes Keywords: galaxies: spiral - galaxies: catalogues - galaxies: large-scale motions in the Universe Description: The Flat Galaxy Catalog (FGC) is the result of a systematic search for disk-like edge-on galaxies with a diameter larger than a=40arcsec and major-to-minor axis ratio a/b>7 from Palomar Observatory and ESO/SERC surveys; it contained 4455 objects covering about 56% of the whole sky (Karachentsev et al., 1993AN....314...97K, see Cat. VII/162). The main reasons for preparing a new, improved and supplemented catalogue version were the following: - a possibility of remeasuring the coordinates of flat galaxies with a higher accuracy using the Digital Sky Survey; - the inclusion the data about "red" galaxy diameters which were absent earlier; - a reduction the diameters measured on the J and R films of the ESO/SERC to the diameter system of the POSS-I (near to a_25_ system) that eliminated the difference in photometric depth between two parts of the catalogue (Kudrya et al. 1997PAZh...23...15K); - a calculation of total apparent magnitudes (with a standard error about 0.25mag) for all flat galaxies basing on angular diameters, surface brightnesses, and other parameter data (Kudrya et al. 1997PAZh...23..730K); - a possibility to determine the Galaxy absorption values in the region of each flat galaxy placing using new IR data (Schlegel et al. 1998ApJ...500..525S). - a necessity to remove the faults noted during the work with the FGC data. The structural differences between old and new catalogue versions are: - both the parts, FGC and FGCE, have been joined in the RFGC (Revised Flat Galaxy Catalogue) where the galaxies are ranged according to their Right Ascensions for the epoch J2000.0; - the Addendum have been omitted; - the Notes describing concrete object characteristics have been included in the main corpus of the catalogue, some details were omitted; - the lists of identification of the FGC and the FGCE galaxies have been omitted because these data are accessible now due to different galaxy databases (NED, LEDA etc).