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A Catalog of CH_3OH 7_0-6_1 A^+ Maser Sources in Massive Star-Forming Regions. II. Masers in NGC 6334F, G8.67-0.36, and M17
Laura Gomez, Leticia Luis, Idalia Hernandez-Curiel +3
We present Very Large Array observations of the 7_0-6_1 A^+ methanol maser transition at 44 GHz towards NGC 6334F, G8.67-0.36, and M17. These arcsecond resolution observations comp…
Quasi-Periodic Formaldehyde Maser Flares in the Massive Protostellar Object IRAS18566+0408
E. D. Araya, P. Hofner, W. M. Goss +5
We report results of an extensive observational campaign of the 6 cm formaldehyde maser in the young massive stellar object IRAS18566+0408 (G37.55+0.20) conducted from 2002 to 2009…
Search for Class I methanol masers in low-mass star formation regions
S. V. Kalenskii, L. E. B. Johansson, P. Bergman +4
A survey of young bipolar outflows in regions of low-to-intermediate-mass star formation has been carried out in two class I methanol maser transitions: 7_0-6_1A+ at 44 GHz and 4_{…
The Rare 23.1-GHz Methanol Masers in NGC 7538 IRS 1
Roberto Galván-Madrid, Gabriela Montes, Edgar A. Ramírez +3
We present high angular resolution (FWHM_beam < 0.2") observations of the 23.1-GHz methanol (CH_3OH) transition toward the massive-star forming region NGC 7538 IRS 1. The two veloc…
High Angular Resolution Observations of Four Candidate BLAST High-Mass Starless Cores
Luca Olmi, Esteban D. Araya, Edward L. Chapin +4
We discuss high-angular resolution observations of ammonia toward four candidate high-mass starless cores (HMSCs). The cores were identified by the Balloon-borne Large Aperture Sub…