Search for and study of extremely metal-deficient galaxies

Abstract

We summarize the progress in identifying and observational study of extremely metal-deficient (XMD) gas-rich galaxies (BCGs, dIr and LSBDs). Due to volume limitations only following issues are addressed: sample creation, some statistical data, Colour-Magnitude Diagrams (CMD) and ages, the case of SBS 0335--052 system, and probable evolution paths of various XMD objects.

4 pages, 3 figures. To appear in the proceedings of Euroconference "The evolution of galaxies. III. From simple approaches to self-consistent models" Kiel, Germany, July 2002

References in corpus (1)

• The Hamburg/SAO survey for low metallicity blue compact/HII-galaxies (HSS-LM). I. The first list of 46 strong-lined galaxies

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• Study of DDO 68: nearest candidate for a young galaxy?
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• HS 0837+4717 -- a metal-deficient blue compact galaxy with large nitrogen excess
• HI in very metal-poor galaxies: the SBS 0335-052 system
• Study of galaxies in the Lynx-Cancer void. II. The element abundances
• Very metal-poor galaxies: ionized gas kinematics in nine objects
• The Hamburg/SAO survey for emission-line galaxies. VI. The sixth list of 126 galaxies
• Cosmology from one galaxy in a void?
• Andromeda IV: a new Local Volume very metal-poor galaxy
• "Dark galaxies" and local very metal-poor gas-rich galaxies: possible interrelations