Structure of the Large Magellanic Cloud from 2MASS

Details Structure of the Large Magellanic Cloud from 2MASS Structure of the Large Magellanic Cloud from 2MASS

2000-03-14

arxiv.org/abs/astro-ph/0003204v1

Astrophys.J.548:712-726,2001

Astronomy and Astrophysics

Astrophysics

24 pages, 9 figures. Submitted to ApJ

Scientific paper

10.1086/319001

We derive structural parameters and evidence for extended tidal debris from star count and preliminary standard candle analyses of the Large Magellanic Cloud based on Two Micron All Sky Survey (2MASS) data. The full-sky coverage and low extinction in K_s presents an ideal sample for structural analysis of the LMC. The star count surface densities and deprojected inclination for both young and older populations are consistent with previous work. We use the full areal coverage and large LMC diameter to Galactrocentric distance ratio to infer the same value for the disk inclination based on perspective. A standard candle analysis based on a sample of carbon long-period variables (LPV) in a narrow color range, 1.6

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