Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991psu..rept.....f&link_type=abstract
Final Technical Report, 1 Aug. 1989 - 31 Dec. 1991 Pennsylvania State Univ., University Park. Dept. of Astronomy and Astrophysic
Astronomy and Astrophysics
Astronomy
Molecular Clouds, Pre-Main Sequence Stars, Star Formation, Stellar Magnitude, T Tauri Stars, X Ray Astronomy, X Ray Stars, Magnetoactivity, Stellar Mass, X Ray Detectors
Scientific paper
This project is intended to determine whether X-ray surveys of the sky can uncover previously unrecognized populations of pre-main sequence stars outside of large well-known star forming regions. X-ray observations of large regions such as the Taurus-Auriga complex, Orion molecular cloud, Ophiuchi and Chamaeleon clouds had revealed that low mass pre-main sequence emit X-rays 102-104 above main sequence levels, and that X-ray surveys select a large population of 'weak' T Tauri stars that are not easily found in traditional optical and infrared surveys. The present project sought to find 'weak' T Tauri stars around smaller and more distant molecular clouds. X-ray surveys potentially could elucidate the star forming capabilities of small clouds, which are not well understood.
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