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1990A&AS...82..391Bottinelli+
VII/136 Extragalactic Data Base II. The H I Data (Bottinelli+ 1990) ============================================================================ An Extragalactic Data Base II. The H I Data Bottinelli, L. Gouguenheim L., Fouque P., and Paturel G. =1990A&AS...82..391B ============================================================================ ADC_Keywords: Galaxy catalogs ; H I data Description: This catalog is a compilation of weighted mean H I parameters for 6439 galaxies. Raw 21-cm line widths have been reduced to a common system of widths at 20 and 50 percent of the peak intensity. They have been corrected for velocity resolution effects and tested for homogeneity. The H I fluxes, converted to uniform units, have been corrected for beam-filling effects. The catalog includes identification and alternate names, B1950 positions, line widths, H I flux, and heliocentric radial velocity. Details, including references to the original data, can be found in the published version. File Summary: ----------------------------------------------------------------------------- FileName Lrecl Records Explanations ----------------------------------------------------------------------------- ReadMe 80 . This file data.dat 82 6439 Data ----------------------------------------------------------------------------- Byte-by-byte Description of file: data.dat ----------------------------------------------------------------------------- Bytes Format Units Label Explanations ----------------------------------------------------------------------------- 1-3 A3 --- PGC [PGC] "PGC" 4-8 I5 --- ID *PGC Number 13-26 A14 --- name *Alternate Name 28-29 I2 h RAh Right Ascension (1950) hours 30-31 I2 min RAm Right Ascension (1950) minutes 32-35 F4.1 s RAs Right Ascension (1950) seconds 36 A1 --- DE- Declination (1950) sign 37-38 I2 deg DEd Declination (1950) degrees 39-40 I2 arcmin DEm Declination (1950) arcminutes 41-42 I2 arcsec DEs Declination (1950) arcseconds 46-48 I3 km/s W20 *?21cm Line Width at 20% 51-52 I2 km/s e_W20 ?Standard Mean Error of W20 56-58 I3 km/s W50 *?21cm Line Width at 50% 61-62 I2 km/s e_W50 ?Standard Mean Error of W20 65-68 F4.2 --- logS *?Log of Weighted Mean HI-Flux 70-72 F3.2 --- e_logS ?Mean Error of logS 74-78 I5 km/s RV *?Radial Velocity 81-82 I2 km/s e_RV ?Mean Error of RV ----------------------------------------------------------------------------- Note on ID: PGC Number according to the Catalogue of Principal Galaxies (Paturel et al., 1989 and 1989a) Note on name: priority: NGC, IC, UGC, ESO, MCG, UGCA, Mk, DDO, CGCG, Fairall, Arakelian, U.Michigan, Zwicky-compacts, VV, Arp, VCC, Weinberger, IRAS, KUG (see Paturel et al., 1989) Note on W20: Weighted mean of 21cm line width at the level 20% of the peak. This width is corrected for velocity resolution. Note on W50: Weighted mean of 21cm line width at the level 50% of the peak. This width is corrected for velocity resolution. Note on logS: Log of the weighted mean HI-flux corrected for beam-filling effect. This flux and the associated error are both expressed in: log(10^-24 W*m^-2). Note on RV: Weighted mean of the heliocentric radial velocity expressed in c*delta lambda/lambda. ----------------------------------------------------------------------------- References: Paturel G., Fouque P., Bottinelli L., Gouguenheim L., 1989, Astron. Astrophys. Suppl. Ser., 80, 299. Paturel G., Fouque P., Bottinelli L., Gouguenheim L., 1989, Monographies de la base de donnees extragalactiques, no. 1. ============================================================================= (End) Julie Anne Watko [SSDOO/ADC] 05-FEB-1996