Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20916814s&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #168.14; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
Observations of Herbig Ae/Be (HAeBe) stars in the Small Magellanic Cloud (SMC) can help us gain insight into how proto-planetary disk evolution and subsequent planet formation proceed in a chemically metal poor environment relative to the Milky Way Galaxy. Several research groups have used the EROS microlensing survey to identify erratically variable A and B type stars that also have H-alpha emission. We have searched the Spitzer Space Telescope archive at the coordinates of these candidate HAeBe stars and found mid-infrared fluxes (5.8, 8.0, and 24 micron) for three of them. This may indicate thermal emission from circumstellar dust and adds new evidence for the HAeBe classification. In advance of a detailed mid-IR spectroscopic study, we present the optical, near-infrared, and mid-infrared photometry for these three candidates
and an analysis of their HAeBe classification. We will also present an analysis and classification of the HAeBe candidates that were not detected in the Spitzer surveys of the Magellanic clouds.
Chitrakar Nirbhik
Keller Luke D.
Shah Sweta
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