The Star-Formation History of the Large Magellanic Cloud

Details The Star-Formation History of the Large Magellanic Cloud The Star-Formation History of the Large Magellanic Cloud

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.6502s&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #65.02; Bulletin of the American Astronomical Society, Vol. 28, p.930

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Scientific paper

We present a new color-magnitude diagram of field stars in the Large Magellanic Cloud (LMC) that reaches from the tip of the red giant branch to below the oldest main-sequence turnoff. We compare the color-magnitude diagram and luminosity function with models created with the Padova stellar evolutionary tracks, and we discuss the constraints on the star formation and chemical enrichment history of the LMC. i We find evidence for a burst in the star-formation rate approximately 2 to 3 Gyr ago, similar to the results of other recent studies. In addition, the redness of the faintest main-sequence turnoff/subgiant branch argues for the existence of a relatively old (12 Gyr), metal-rich ([Fe/H]~ -1.2) component in the LMC.

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