Astrophysics and Space Science

, Volume 263, Issue 1, pp 127–130

Blue Compact Galaxies at Redshifts Z=0.2-1.3

  • R. Guzmán

DOI: 10.1023/A:1002169018546

Cite this article as:
Guzmán, R. Astrophysics and Space Science (1998) 263: 127. doi:10.1023/A:1002169018546


We study the nature of faint blue compact galaxies (BCGs) at redshifts z ∼ 0.2 - 1.3 using Keck and HST. Despite being very luminous (LB ∼ L*), most distant BCGs have masses M ∼ 1010M, i.e., they are dwarf stellar systems. The majority of these galaxies have colors, sizes, surface brightnesses, luminosities, velocity widths, excitations, star formation rates (SFR), and mass-to-light ratios characteristic of the most luminous nearby HII galaxies. The more massive BCGs form a more heterogeneous class of evolved starburst, similar to local disk starburst galaxies. Without additional star formation, HII-like BCGs will most likely fade to resemble today's spheroidal galaxies such as NGC 205.

Copyright information

© Kluwer Academic Publishers 1998

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  • R. Guzmán

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