Photometric Properties of Long-period Variables in the Large Magellanic Cloud

Details Photometric Properties of Long-period Variables in the Large Magellanic Cloud Photometric Properties of Long-period Variables in the Large Magellanic Cloud

2002-06-26

arxiv.org/abs/astro-ph/0206451v1

Astronomy and Astrophysics

Astrophysics

8 pages, 5 figures, Proceeding of WS on Mass-Losing Pulsating Stars and Their Circumstellar Matter, Sendai, Japan

Scientific paper

Approximately four thousand light curves of red variable stars in the LMC were selected from the 2.3-years duration MOA database by a period analysis using the Phase Dispersion Minimization method. Their optical features (amplitudes, periodicities, position in CMD) were investigated. Stars with large amplitues and high periodicities were distributed on the only one strip amongst multiple structure on the LMC period-luminosity relation. In the CMD, the five strips were located in the order of the period. The stars with characterized light curves were also discussed.

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