The protostellar mass limit for 6.7 GHz methanol masers. I. A low-mass YSO survey

By V. Minier, S. Ellingsen, R. Norris, R. Booth. 2003

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Subfields: Astronomy and Astrophysics, Atmospheric Science, Spectroscopy

View Paper: https://www.semanticscholar.org/paper/c0ace3a9779304ca46fffd6588e344ae34d0a798

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Citations in the corpus

Characterizing precursors to stellar clusters with Herschel (2011, background): “6.7 GHz methanol masers are found to be exclusively associated with massive star formation (Minier et al. 2003), and are often offset from the radio continuum emission indicative of an UCHII Region (e.g., Walsh et al. 1998; Minier et al. 2001) and are thought to represent an earlier stage of…”
Variations in the Galactic star formation rate and density thresholds for star formation (2012, background): “In particular, the 6.7 GHz Class II methanol maser transition is known to exclusively trace regions of high mass (>8 M⊙) (Minier et al. 2003)2.”
STAR FORMATION ACTIVITY OF CORES WITHIN INFRARED DARK CLOUDS (2009, background): “While the radiatively excited Class II CH3OH masers are believed to trace only high-mass star formation (e.g., Walsh et al. 2001; Minier et al. 2003), the case is less clear for the collisionally excited Class I CH3OH transitions.”
A general catalogue of 6.7-GHz methanol masers. I. Data. (2004, background): “6.7 GHz methanol masers were not detected towards a sample of low-mass star-forming regions (Minier et al. 2003), of evolved stars (Koo et al. 1988) and starburst galaxies (Phillips et al. 1998), although the line was detected in the Large Magellanic Cloud (Ellingsen et al. 1994).”
A CATALOG OF EXTENDED GREEN OBJECTS IN THE GLIMPSE SURVEY: A NEW SAMPLE OF MASSIVE YOUNG STELLAR OBJECT OUTFLOW CANDIDATES (2008, background): “Class II 6.7 GHz CH3OH masers are indicative of massive star formation (Szymczak, Pillai, & Menten 2005; Ellingsen 2006), as they are not observed towards low-mass YSOs (Minier et al. 2003).”
The 6-GHz methanol multibeam maser catalogue – II. Galactic longitudes 6° to 20° (2010, background): “…velocities are closely linked to the systemic velocities (Szymczak et al. 2007; Pandian et al. 2009); and they are only detected towards regions of high-mass star formation (Pestalozzi et al. 2002; Minier et al. 2003; Xu et al. 2008), regions which are intrinsically associated with the spiral arms.”
The 6-GHz methanol multibeam maser catalogue – I. Galactic Centre region, longitudes 345° to 6° (2010, background): “Unlike masers of OH, H2O and SiO, they appear to occur only in association with massive young stars (Minier et al. 2003; Xu et al. 2008).”
The 6-GHz multibeam maser survey-I. Techniques (2008, background): “The 6668-MHz methanol maser is widespread and, unlike all other strong masers (OH, H2O and SiO), is only found close to high-mass young stars (e.g. Minier et al. 2003) and sometimes associated with ultra compact (UC) Hii regions.”
Methanol Masers: Reliable Tracers of the Early Stages of High-Mass Star Formation (2005, background): “Class II methanol masers are unique amongst these in that they are only observed towards high-mass star formation regions (Minier et al. 2003), in contrast to OH and water masers which are also observed towards other astrophysical objects, such as late-type stars.”
A CLASS I AND CLASS II CH3OH MASER SURVEY OF EGOs FROM THE GLIMPSE SURVEY (2009, background): “Class II 6.7 GHz CH 3 OH masers, radiatively pumped by IR emission from warm dust (Cragg et al. 1992, 2005, and references therein), are associated exclusively with massive YSOs (e.g. Minier et al. 2003).”