Search for and study of extremely metal-deficient galaxies

/ Authors

S. Pustilnik, A. Kniazev, A. Pramskij, A. Ugryumov

/ 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 limitation only the 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.

Journal: Astrophysics and Space Science

DOI: 10.1023/A:1024033608864