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Astron. Astrophys. 329, 840-844 (1998)


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Correction of the galactic luminosity function for opacity effect

P. Leroy 1 and M. Portilla 2

1 Departamento de Fisica ICEX UFMG, Av Antonio Carlos C.P. 702, 30161-970 Belo Horizonte MG, Brasil
2 Departament d'Astronomia i Astrofísica, Universitat de València, E-46100 Burjassot, València, Spain

Received 12 August 1996 / Accepted 17 May 1997

Abstract

If the disk of the spiral galaxies has a moderated value of the mean optical depth, the observed luminosity function should be corrected for the combined effect of the inclination and the opacity of the galactic disk. We obtain the corrected luminosity function for current models of opaque matter distribution.

Key words: ISM: dust,extinction – galaxies: luminosity function

Send offprint requests to: M.Portilla

© European Southern Observatory (ESO) 1998

Online publication: December 16, 1997
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