Other
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mnras.267l..13r&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 267, no. 2, p. L13-L16
Other
18
Compact Galaxies, Galactic Clusters, Galactic Evolution, Luminosity, Stellar Magnitude, Astronomical Models, Galactic Structure, Interacting Galaxies, Mass To Light Ratios
Scientific paper
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 MB = -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.
de Carvalho Reinaldo R.
Ribeiro André L. B.
Zepf Stephen E.
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