A new LMC K-band distance from precision measurements of nearby red clump stars

Details A new LMC K-band distance from precision measurements of nearby red clump stars A new LMC K-band distance from precision measurements of nearby red clump stars

2011-09-22

arxiv.org/abs/1109.4800v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

7 pages, 4 figures

Scientific paper

High-precision (sigma < 0.01) 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 LMC. The resulting K- and H-band values of 18.47\pm0.02 and 18.49\pm0.06 imply that any correction to the K-band Cepheid PL relation due to metallicity differences between Cepheids in the LMC and in the solar neighborhood must be quite small.

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