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For refcode 1994MNRAS.267L..13R:
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Copyright by Royal Astronomical Society. 1994MNRAS.267L..13R The luminosity function of galaxies in compact groups A. L. B. Ribeiro, R. R. de Carvalho and S. E. Zepf Divisao de Astrofisica, INPE/MCT, CP 515, Sao Jose dos Campos, 5P 12201- 970, Brazil Instituto Astronomico e Geofisico - 05P, Av. Miguel Stefano, 4200 Agua Funda-Sao Paulo, CEP 04301-904, 5P, Brazil Department of Physics University of Durham, South Road, Durham DH1 3LE Department of Astronomy, University of California, Berkeley, CA 94720 USA Accepted 1994 January 19. Received 1994 January 18; in original form 1993 December 6 ABSTRACT We use counts of faint galaxies in the regions of compact groups to extend the study of the luminosity function of galaxies in compact groups to absolute magnitudes as faint as M_B_ = -14.5 + 5 log h. We find a slope of the faint end of the luminosity function of approximately {alpha} = - 0.8, with a formal uncertainty of 0.15. This slope is not significantly different from that found for galaxies in other environments. Our results do not support previous suggestions of a dramatic underabundance of intrinsically faint galaxies in compact groups, which were based on extrapolations from fits at brighter magnitudes. The normal faint-end slope of the luminosity function in compact groups is in agreement with previous evidence that most galaxies in compact groups have not been dramatically affected by recent merging. Key words: galaxies: clustering - galaxies: luminosity function, mass function.
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