2006/10/26 by T. Y. Brooke, Timothy Y. Brooke, Tracy L. Huard +34 · 1 citation
Physics and Astronomy · #Advanced Chemical Physics Studies #Astrophysics and Star Formation Studies #Cluster (spacecraft) #Computer science #Physics #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.1086/510115
published as Astrophys.J.655:364-374,2007
arxiv created 2006/10/26 · openalex publication_date 2007/01/20 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
Infrared images of the dark cloud core B59 were obtained with the Spitzer Space Telescope as part of the "Cores to Disks" Legacy Science project. Photometry from 3.6-70 μm indicates at least 20 candidate low-mass young stars near the core, more than doubling the previously known population. Out of this group, 13 are located within ~0.1 pc in projection of the molecular gas peak, where a new embedded source is detected. Spectral energy distributions span the range from small excesses above photospheric levels to rising in the mid-infrared. One other embedded object, probably associated with the millimeter source B59-MMS1, with a bolometric luminosity L bol ~ 2 L ☉ , has extended structure at 3.6 and 4.5 μm, possibly tracing the edges of an outflow cavity. The measured extinction through the central part of the core is A V ≳ 45 mag. The B59 core is producing young stars with a high efficiency.