The Search for Pre-Main Sequence Eclipsing Binary Stars in the Lagoon Nebula

Details The Search for Pre-Main Sequence Eclipsing Binary Stars in the Lagoon Nebula The Search for Pre-Main Sequence Eclipsing Binary Stars in the Lagoon Nebula

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341401h&link_type=abstract

American Astronomical Society, AAS Meeting #213, #414.01; Bulletin of the American Astronomical Society, Vol. 41, p.223

Astronomy and Astrophysics

Astronomy

Scientific paper

We report time-series CCD I-band photometry for the pre-main-sequence cluster NGC 6530, located within the Lagoon Nebula. The data were obtained with the 4Kx4K imager on the SMARTS 1.0m telescope at CTIO on 36 nights over the summers of 2005 and 2006. In total we have light curves for 50,000 stars in an area 1 deg2, with a sampling cadence of 1 hour. The stars in our sample have masses in the range 0.25-4.0 Msun, assuming a distance of 1.25 kpc to the cluster. Our goals are to look for stars with rotation periods and to identify eclipsing binary candidates. Here we present light curves of photometrically variable stars and potential eclipsing binary star systems. This work has been supported by the National Science Foundation under Career grant AST-0349075.

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