Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341403h&link_type=abstract
American Astronomical Society, AAS Meeting #213, #414.03; Bulletin of the American Astronomical Society, Vol. 41, p.224
Astronomy and Astrophysics
Astronomy
Scientific paper
OB associations represent excellent opportunities to study the end products of stellar accretion. These diffuse groups of stars, whose lifespans are limited by the dispersive forces that scatter them as they move through the galaxy, are thought to be the structures in which the majority of all stars form. We present a VI photometric census of the regions surrounding some of the stars identified by de Zeeuw et al. (1999) to be part of Collinder 121 (CMa OB2). Orion OB1 includes a clustered population of low-mass, pre-main sequence stars present in the regions around the OB stars that define the group. This study demonstrates whether a clustered population of low-mass, PMS stars exists in CMa OB2 and determines if the spatial pattern observed in Orion can be extended to another OB association in the solar neighborhood.
Matt Henderson's research was supported by the NOAO/KPNO Research Experiences for Undergraduates (REU) Program which is funded by the National Science Foundation Research Experiences for Undergraduates Program and the Department of Defense ASSURE program through Scientific Program Order No. 3 (AST-0243875) of the Cooperative Agreement No. AST-0132798 between the Association of Universities for Research in Astronomy (AURA) and the NSF.
Henderson Matthew
Sherry William
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