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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 308868.0, MPI für Astronomie / Publikationen_mpia
Anew galactic 6 cm formaldehyde maser
Authors:Araya, E.; Hofner, P.; Goss, W. M.; Kurtz, S.; Linz, H.; Olmi, L.
Date of Publication (YYYY-MM-DD):2006
Journal Abbrev.:The Astrophysical Journal
Volume:643
Start Page:L33
End Page:L36
Audience:Not Specified
Abstract / Description:We report the detection of a new H2CO maser in the massive star-forming region G23.71-0.20 (IRAS 18324-0820). This is the fifth region in the Galaxy where H2CO maser emission has been found. The new H2CO maser is located toward a compact H II region and is coincident in velocity and position with 6.7 GHz methanol masers and with an IR source as revealed by Spitzer IRAC data from GLIMPSE. The coincidence with an IR source and 6.7 GHz methanol masers suggests that the maser is in close proximity to an embedded massive protostar. Thus, the detection of H2CO maser emission toward G23.71-0.20 supports the trend that H2CO 6 cm masers trace molecular material very near young massive stellar objects.
Free Keywords:ISM: H II Regions; ISM: individual (G23.71-0.20); ISM: Molecules; Masers; Radio Lines: ISM; Stars: Formation
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:URL:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bi...
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