2003/06/04 by H. Beuther, P. Schilke, Thomas Stanke +1 · 1 citation
Physics and Astronomy · #Accretion (finance) #Astro and Planetary Science #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Physics #Plateau de Bure Interferometer #Protostar #Star formation #Stars #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.1051/0004-6361:20030795
published as Astron.Astrophys. 408 (2003) 601-610 · 10 pages, 4 figures, higher resolution version of images at http://cfa-www.harvard.edu/~hbeuther/. A&A, accepted
arxiv created 2003/06/04 · openalex publication_date 2003/08/29 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Plateau de Bure Interferometer high-spatial resolution CO observations combined with near-infrared H2 data disentangle at least seven (possibly even nine) molecular outflows in the massive star-forming region IRAS 19410+2336. Position–velocity diagrams of the outflows reveal Hubble-like relationships similar to outflows driven by low-mass objects. Estimated accretion rates are of the order of yr-1, sufficiently high to overcome the radiation pressure and form massive stars via disk-mediated accretion processes. The single-dish large-scale mm continuum cores fragment into several compact condensations at the higher spatial resolution of the PdBI which is expected due to the clustering in massive star formation. While single-dish data give a simplified picture of the source, sufficiently high spatial resolution resolves the structures into outflows resembling those of low-mass star-forming cores. We interpret this as further support for the hypothesis that massive stars do form via disk-accretion processes similar to low-mass stars.