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J/A+A/393/57             Velocity field in the Local Group        (Terry+, 2002)

Local velocity field from sosie galaxies I: The Peebles'model. Terry J.N., Paturel G., Ekholm T. <Astron. Astrophys. 393, 57 (2002)> =2002A&A...393...57T
ADC_Keywords: Galaxy catalogs ; Radial velocities Keywords: galaxies: general - galaxies: distances and redshifts - cosmology: distance scale - methods: statistical Abstract: Pratton, Melott and McKee (1997ApJ...479L..15P) showed that the velocity field around clusters could generate an apparent distortion that appears as tangential structures or radial filaments. In the present paper we determine the parameters of the Peebles' model (1976ApJ...205..318P) describing infall of galaxies onto clusters with the aim of testing quantitatively the amplitude of this distortion. The distances are determined from the concept of sosie galaxies (Paturel, 1994A&A...289..711P) using 21 calibrators for which the distances were recently calculated from two independent Cepheid calibrations. We use both B and I-band magnitudes. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 67 283 The sample of 283 unbiased galaxies
See also: VII/119 : Catalogue of Principal Galaxies (PGC) (Paturel+ 1989) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 3 A3 --- --- [PGC] 4- 10 I07 --- PGC PGC number from LEDA (leda.univ-lyon1.fr) 12- 26 A15 --- Name Alternate name from LEDA 29 A1 --- --- [J] 30- 31 I2 h RAh Right Ascension (J2000) 32- 33 I2 min RAm Right Ascension (J2000) 34- 37 F4.1 s RAs Right Ascension (J2000) 38 A1 --- DE- Declination sign (J2000) 39- 40 I2 deg DEd Declination (J2000) 41- 42 I2 arcmin DEm Declination (J2000) 43- 44 I2 arcsec DEs Declination (J2000) 46- 49 I4 km/s RV Radial velocity corrected for infall velocity of the Local Group towards Virgo (J123049.2+122329) (Vinfall=200km/s) 51- 55 F5.2 mag <mu> Weighted mean distance modulus from B and I bands and the method of sosies galaxies 57- 60 F4.2 mag e_<mu> rms uncertainty on <mu> 63- 67 F5.1 deg Theta Angular distance from the Virgo center (J123049.2+122329)
Acknowledgements: Georges Paturel
(End) Patricia Bauer [CDS] 01-Aug-2002
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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