Young Stellar Population in the Lupus 3 Molecular Cloud

Details Young Stellar Population in the Lupus 3 Molecular Cloud Young Stellar Population in the Lupus 3 Molecular Cloud

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..404...20j&link_type=abstract

The Eighth Pacific Rim Conference on Stellar Astrophysics: A Tribute to Kam-Ching Leung ASP Conference Series, Vol. 404, proceed

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present identification of candidate young stars in Lupus 3, the most active star-forming cloud in the Lupus molecular cloud complex. We used archival UK Schmidt Telescope H-alpha images and 2MASS point-source catalog to select candidate classical T Tauri stars. Most previously recognized H-alpha stars were identified. Additional candidates were found away from the densest part of the molecular cloud. Some bright candidates were spectroscopically confirmed to be H-alpha stars, but these could be just chromospherically active M dwarfs, rather than T Tauri stars. Others were found to show no H-alpha emission, but were selected because their continua are underestimated due to prominent metal oxide, e.g., TiO, absorption lines, typically seen in a late-type star.

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