Journal Article

A new Large Magellanic Cloud <i>K</i>-band distance from precision measurements of nearby red clump stars

C. D. Laney, M. D. Joner and G. Pietrzyński

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 419, issue 2, pages 1637-1641
Published in print January 2012 | ISSN: 0035-8711
Published online December 2011 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2011.19826.x
A new Large Magellanic Cloud K-band distance from precision measurements of nearby red clump stars

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High-precision () new JHK observations of 226 of the brightest and nearest red clump stars in the solar neighbourhood are used to determine distance moduli for the Large Magellanic Cloud (LMC). The resulting K- and H-band values of 18.47 ± 0.02 and 18.49 ± 0.06 imply that any correction to the K-band Cepheid PL relation due to metallicity differences between Cepheids in the LMC and the solar neighbourhood must be quite small.

Keywords: stars: variables: Cepheids; Magellanic Clouds; distance scale; infrared: stars

Journal Article.  3559 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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