Computer Science
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cokon.103...19k&link_type=abstract
Communications of the Konkoly Observatory, Hungary Proceedings of the conference: 'The interaction of stars with their environme
Computer Science
1
Scientific paper
During a spectroscopic survey performed with the Nordic Optical Telescope in La Palma we found five classical T Tauri stars in the small, high latitude molecular clouds associated with the reflection nebula IC2118. The star-forming clouds are located at the outer boundary of the Orion star forming region, at a mean galactic latitude of -28°. Their positions in space and cometary shapes suggest their interaction with the Orion SFR. Using spectroscopic and near-infrared photometric data we determined the positions of the newly discovered pre-main sequence stars in the HRD. Comparison of the results with evolutionary models has shown that the masses of these stars are between 0.3-0.8Msun and their ages are close to 106 yrs. They are roughly coeval and significantly younger than the known WTTS of the same region. We conclude that the birth of the molecular clouds and the stars was probably induced by the interaction of the Orion - Eridanus Bubble with some small, diffuse high-latitude HI clouds.
Kun Maria
Nikolic Silvana
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