Pozzo, M and Jeffries, RD and Naylor, T and Totten, EJ and Harmer, S and Kenyon, M (2000) The discovery of a low-mass, pre-main-sequence stellar association around gamma Velorum. MON NOT R ASTRON SOC , 313 (2) L23 - L27.
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We report the serendipitous discovery of a population of low-mass, pre-main-sequence (PMS) stars in the direction of the Wolf-Rayet/O-star binary system gamma(2) Vel and the Vela OB2 association. We argue that gamma(2) Vel and the low-mass stars are truly associated and approximately coeval, and that both are at distances between 360 and 490 pc, disagreeing at the 2 sigma level with the recent Hipparcos parallax of gamma(2) Vel, but consistent with older distance estimates. Our results clearly have implications for the physical parameters of the gamma(2) Vel system, but also offer an exciting opportunity to investigate the influence of high-mass stars on the mass function and circumstellar disc lifetimes of their lower mass PMS siblings.
|Title:||The discovery of a low-mass, pre-main-sequence stellar association around gamma Velorum|
|Keywords:||stars : pre-main-sequence, stars : Wolf-Rayet, X-rays : stars, X-RAY-EMISSION, STARS, SYSTEM|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Earth Sciences|
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