Cepheid variables in the LMC cluster NGC 1866. I. New BVRI CCD photometry

Details Cepheid variables in the LMC cluster NGC 1866. I. New BVRI CCD photometry Cepheid variables in the LMC cluster NGC 1866. I. New BVRI CCD photometry

2000-03-16

arxiv.org/abs/astro-ph/0003240v1

Astrophys.J.Suppl. 129 (2000) 111-122

Astronomy and Astrophysics

Astrophysics

To appear in ApJ Supp., AASTeX, 24 pages, 8 tables, 8 figures

Scientific paper

10.1086/313418

We report BV(RI)c CCD photometric data for a group of seven Cepheid variables in the young, rich cluster NGC 1866 in the Large Magellanic Cloud. The photometry was obtained as part of a program to determine accurate distances to these Cepheids by means of the infrared surface brightness technique, and to improve the LMC Cepheid database for constructing Cepheid PL and PLC relations. Using the new data together with data from the literature, we have determined improved periods for all variables. For five fundamental mode pulsators, the light curves are now of excellent quality and will lead to accurate distance and radius determinations once complete infrared light curves and radial velocity curves for these variables become available.

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