Gas and Dust Environments of Young Stars in the Taurus Molecular Cloud: A Synthesis from the XMM-Newton and Spitzer Surveys

Details Gas and Dust Environments of Young Stars in the Taurus Molecular Cloud: A Synthesis from the XMM-Newton and Spitzer Surveys Gas and Dust Environments of Young Stars in the Taurus Molecular Cloud: A Synthesis from the XMM-Newton and Spitzer Surveys

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.1220g&link_type=abstract

American Astronomical Society, AAS Meeting #211, #12.20; Bulletin of the American Astronomical Society, Vol. 39, p.753

Computer Science

Databases

2

Scientific paper

The XMM-Newton Extended Survey of the Taurus Molecular Cloud (XEST) and the Spitzer Space Telescope Taurus Survey both provide unique databases to study the environments of the young stellar population in Taurus. We are using both surveys together to characterize the stellar gas and dust environments of Class I protostars, classical and weak-lined T Tauri stars. The X-ray measurements characterize both the thermal properties of the stellar sources as well as the gas absorption columns along the sightlines to the stars. An important goal is to understand the distribution of dust and gas and their mass ratios at different stages of evolution and for different stellar and disk inclination angles. We discuss various subsamples and seek systematics between gas absorption and dust emission properties. We highlight a subsample of strongly accreting T Tauri stars that have revealed excessive photoelectric absorption; their infrared properties are for the first time presented as a sample.

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