The Star-Formation History of LGS 3

Details The Star-Formation History of LGS 3 The Star-Formation History of LGS 3

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pasp..109..125m&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.109, p.125-129

Astronomy and Astrophysics

Astronomy

14

Galaxies: Individual: Lgs 3, Galaxies: Peculiar, Galaxies: Stellar Content

Scientific paper

LGS 3 presents the optical appearance of a dwarf spheroidal galaxy, but has a significant neutral hydrogen component. Photometry of its brightest stars with COSMIC at the prime focus of the Hale telescope shows a 10 (superscript 8) year old population and a 10 (superscript 10) year old population. Either we are seeing a recent burst of star formation in a dwarf spheroidal galaxy, or, if intermediate age populations are also present, we are witnesing recent transition from a dwarf irregular to a dwarf spheroidal galaxy. (SECTION: Galaxies)

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