1999A&AS..135..133V


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.21CEST13:36:41

1999A&AS..135..133V - Astron. Astrophys., Suppl. Ser., 135, 133-144 (1999/February-2)

First DENIS I-band extragalactic catalog.

VAUGLIN I., PATUREL G., BORSENBERGER J., FOUQUE P., EPCHTEIN N., KIMESWENGER S., TIPHENE D., LANOIX P. and COURTOIS H.

Abstract (from CDS):

This paper presents the first I-band photometric catalog of the brightest galaxies extracted from the Deep Near Infrared Survey of the Southern Sky (DENIS) An automatic galaxy recognition program has been developed to build this provisional catalog. The method is based on a discriminating analysis. The most discriminant parameter to separate galaxies from stars is proved to be the peak intensity of an object divided by its array. Its efficiency is better than 99%. The nominal accuracy for galaxy coordinates calculated with the Guide Star Catalog is about 6 arcsec. The cross-identification with galaxies available in the Lyon-Meudon Extragalactic DAtabase (LEDA) allows a calibraton of the I-band photometry with the sample of Mathewson et Al. Thus, the catalog contains total I-band magnitude, isophotal diameter, axis ratio, position angle and a rough estimate of the morphological type code for 20260 galaxies. The internal completeness of this catalog reaches magnitude Ilim=14.5, with a photometric accuracy of ∼0.18 m. 25% of the Southern sky has been processed in this study. This quick look analysis allows us to start a radio and spectrographic follow-up long before the end of the survey.

Abstract Copyright:

Journal keyword(s): galaxies: general - catalogs - galaxies: photometry - surveys

VizieR on-line data: <Available at CDS (J/A+AS/135/133): redcat.dat>

Nomenclature: Catalogue: DENISP G JHHMMSSs+DDMMSS N=20260.

Status in Simbad:  will not be processed

Simbad objects: 0

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2019.10.21-13:36:41

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