Spectroscopic Confirmation of Young Stars in the Serpens Molecular Cloud: Placing Spitzer and Chandra in Context

Details Spectroscopic Confirmation of Young Stars in the Serpens Molecular Cloud: Placing Spitzer and Chandra in Context Spectroscopic Confirmation of Young Stars in the Serpens Molecular Cloud: Placing Spitzer and Chandra in Context

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..293e&link_type=abstract

NOAO Proposal ID #2010A-0293

Computer Science

Scientific paper

We propose to complete the first comprehensive spectroscopic survey of young stellar objects associated with the Serpens Main cluster. Already we have obtained optical spectra for 27 Serpens objects with X- ray emission and for the 23 optically brightest objects in the field. An additional 88 spectra have been taken using the WIYN telescope in June of 2009; these spectra are currently undergoing analysis for temperature and surface gravity. Utilizing our deep CCD images of the region obtained in 2007, we have selected 250 candidate young stellar objects, which form an unbiased extinction-limited sample. By observing objects with both blue and red grating settings, we can derive effective temperatures and constrain surface gravities for candidate young stars complete down to 0.3 M_sun with extinctions A_v≤ 5 mag. Using our BVR photometry, we can then derive bolometric luminosities and through comparisons with theoretical tracks and isochrones for young stars, ages and masses. When combined with recent X-ray, infrared and optical surveys of the Serpens region, we will be able to assemble a complete census of young stars, reconstruct the star formation history, estimate disk survival times, and begin investigations into the mass function of this young cluster.

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