An x-ray search for PMS stars in translucent molecular clouds

Details An x-ray search for PMS stars in translucent molecular clouds An x-ray search for PMS stars in translucent molecular clouds

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994guna.rept.....c&link_type=abstract

Annual Report, 15 Oct. 1992 - 14 Oct. 1994 Georgia Univ., Athens.

Astronomy and Astrophysics

Astronomy

Molecular Clouds, Pre-Main Sequence Stars, Stellar Spectra, X Ray Astronomy, X Ray Sources, X Ray Stars, Interstellar Matter, Star Formation, Stellar Mass

Scientific paper

The work outlined in this paper identifies 108 plausible T Tauri candidates in the regions of two high latitude translucent molecular clouds. Follow-up optical spectroscopy of these candidates is needed to resolve the question of whether or not star formation is present in these clouds. We have recently submitted a proposal to use the Kitt Peak National Observatory 2.1 meter telescope to take medium resolution spectra of the 14 PMS candidate X-ray sources in MBM 40 to determine spectral types and search for indicators of youth (strong Li absorption; H alpha emission) and we will submit a similar proposal to study the X-ray sources in MBM 55. Only spectra will provide an unambiguous determination of their pedigree. As part of an ongoing study of star formation at high galactic latitude we intend to analyze data in the ROSAT archives to investigate the possibility of star formation in all of the high latitude translucent molecular clouds observed. We believe that this project may yield a significant increase in our understanding of the star formation process for low-mass stars and of the nature of the translucent clouds.

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