12.2-GHz methanol maser MMB follow-up catalogue - I. Longitude range 330 to 10 degrees

Abstract

We present a catalogue of 12.2-GHz methanol masers detected towards 6.7-GHz methanol masers observed in the unbiased Methanol Multibeam (MMB) survey in the longitude range 330\circ (through 360\circ) to 10\circ. This is the first portion of the catalogue which, when complete, will encompass all of the MMB detections. We report the detection of 184 12.2-GHz sources towards 400 6.7-GHz methanol maser targets, equating to a detection rate of 46 per cent. Of the 184 12.2-GHz detections, 117 are reported here for the first time. We draw attention to a number of 'special' sources, particularly those with emission at 12.2-GHz stronger than their 6.7-GHz counterpart and conclude that these unusual sources are not associated with a specific evolutionary stage.

accepted to MNRAS 21 Dec 2011

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• 12.2-GHz methanol maser MMB follow-up catalogue - II. Longitude range 186 to 330 degrees
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• High-resolution APEX/LAsMA ${}^{12}$CO and ${}^{13}$CO (3-2) observation of the G333 giant molecular cloud complex : I. Evidence for gravitational acceleration in hub-filament systems
• Parallaxes of 6.7-GHz Methanol Masers towards the G305.2 High-Mass Star Formation Region
• A search for water masers associated with class II methanol masers - I. Longitude range 6 to 20 degrees
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• A multi-transition methanol maser study of the accretion burst source G358.93-0.03-MM1
• The 6-GHz multibeam maser survey III: comparison between the MMB and HOPS
• ATLASGAL -- Relationship between dense star forming clumps and interstellar masers
• The Evolutionary Status of Protostellar Clumps Hosting Class II Methanol Masers
• The mid-infrared environments of 6.7 GHz Methanol Masers from the Methanol Multi-Beam Survey
• The first high-resolution observations of 19.9-GHz methanol masers
• The relationship between Class I and Class II methanol masers at high angular resolution
• The first high-resolution observations of 37.7-, 38.3- and 38.5-GHz methanol masers
• MAGMO: Polarimetry of 1720-MHz OH Masers towards Southern Star Forming Regions
• Molecular line mapping of the giant molecular cloud associated with RCW 106 - IV. Ammonia towards dust emission
• Observations of 12.2 GHz methanol masers towards northern high-mass protostellar objects