The low-mass young stellar population in Orion OB1
| dc.creator | Briceño, Cesar | |
| dc.creator | Calvet, Nuria | |
| dc.creator | Vivas, Anna K. | |
| dc.creator | Hartmann, L. | |
| dc.creator | . | |
| dc.date | 2002-02-19 | |
| dc.date.accessioned | 2026-07-07T02:02:51Z | |
| dc.date.available | 2026-07-07T02:02:51Z | |
| dc.description | We present recent results from our ongoing large scale variability survey of the Orion OB1 Association. In an area of ~ 25 square degrees we have unveiled new populations of low-mass young stars over a range of environments, and ages from 1-2 Myr in Ori OB 1b to roughly 10 Myr in Ori OB 1a. There is a lack of strong Ha emission and near-IR excesses in the young stars of Ori OB 1a, suggesting that accretion stops and disks dissipate for most solar type stars in a few Myr, probably caused by of the onset of planet formation. The absence of dust and gas in Ori OB 1a is consistent with the picture of star formation as a rapid process, in which molecular clouds dissipate in just a few Myr after the first stars are born. | |
| dc.description | 3 pages, 2 Figures, LaTeX (style and macro file included). To appear in Proceedings of the X Latin American Regional Meeting of the IAU, to be published by Revista Mexicana de Astronomia y Astrofisica, Conference Series, 2002 | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0202350 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0202350 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/4188 | |
| dc.subject | Astrophysics | |
| dc.title | The low-mass young stellar population in Orion OB1 | |
| dc.type | text |