SiO outflow signatures toward massive young stellar objects with linearly distributed methanol masers

2008/10/27 by J. M. De Buizer, R. O. Redman, S. N. Longmore +2
Physics and Astronomy · #Accretion (finance) #Accretion disc #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Circumstellar disk #Maser #Outflow #Perpendicular #Stellar, planetary, and galactic studies #Young stellar object #astro-ph

paper · pdf · doi:10.1051/0004-6361:200810907

Accepted for publication in A&A; 36 pages, 8 figures; a version with higher quality figures can be found at http://www.jim-debuizer.net/research

arxiv created 2008/10/27 · openalex publication_date 2008/11/06 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Context. Methanol masers are often found in linear distributions, and it has been hypothesized that these masers trace circumstellar accretion disks around young massive stars. However, recent observations in H2 emission have shown what appear to be outflows at similar angles to the maser distribution angles, not perpendicular as expected in the maser-disk scenario.

Citations

• The Complex Mid-Infrared Structure at the Heart of IRAS 20126+4104
• Massive star formation in 100,000 years from turbulent and pressurized molecular clouds
• Star formation through gravitational collapse and competitive accretion
• Dispersal of gaseous circumstellar discs around high-mass stars
• The Formation of Massive Stars from Turbulent Cores
• On the formation of massive stars
• Millimetre continuum observations of southern massive star formation regions -- I. SIMBA observations of cold cores
• Star Formation in Molecular Clouds: Observation and Theory