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http://hdl.handle.net/2289/1578
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DC Field | Value | Language |
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dc.contributor.author | Ellingsen, S.P. | - |
dc.contributor.author | Von Bibra, M.L. | - |
dc.contributor.author | McCulloch, P.M. | - |
dc.contributor.author | Norris, R.P. | - |
dc.contributor.author | Deshpande, A.A. | - |
dc.contributor.author | Phillips, C.J. | - |
dc.date.accessioned | 2006-12-14T07:17:53Z | - |
dc.date.available | 2006-12-14T07:17:53Z | - |
dc.date.issued | 1996-05 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society, 1996, Vol.280, p378-396 | en |
dc.identifier.issn | 0035-8711 | - |
dc.identifier.uri | http://hdl.handle.net/2289/1578 | - |
dc.description | Sorry, the full text of this article is not available here. Please click on the alternative location to access it. | en |
dc.description.abstract | We report the results of the first complete survey of an area of the Galactic plane for maser emission from the 6.7-GHz 5_1--〉6_0 A^+ transition of CH_3OH. The survey covers a 10.6-deg^2 region of the Galactic plane in the longitude range 325 deg-335 deg and latitude range -0.˚53-0.˚53. The survey is sensitive to masers with a peak flux density greater than ~2.6 Jy. The weakest maser detected has a peak flux density of 2.3 Jy, and the strongest a peak flux density of 425 Jy. We detected a total of 50 distinct masers, 26 of which are new detections. We show that many 6.7-GHz CH_3OH masers are not associated with IRAS sources, and that some are associated with sources that have colours differing from those of a typical ultracompact HII (UCHII) region. We estimate that the number of UCHII regions in the Galaxy is significantly more than suggested by IRAS-based estimates, possibly by more than a factor of 2. | en |
dc.format.extent | 8338 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | en |
dc.publisher | Blackwell Publishing for the Royal Astronomical Society | en |
dc.relation.uri | http://adsabs.harvard.edu/cgi-bin/bib_query?1996MNRAS.280..378E | en |
dc.relation.uri | http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996MNRAS.280..378E&link_type=ARTICLE&db_key=AST | en |
dc.rights | (1996) Royal Astronomical Society | en |
dc.subject | MASERS, | en |
dc.subject | SURVEYS, | en |
dc.subject | STARS: FORMATION, | en |
dc.subject | HII REGIONS, | en |
dc.subject | ISM: MOLECULES, | en |
dc.subject | RADIO LINES: ISM | en |
dc.title | A survey of the galactic plane for 6.7-GHz methanol masers - I. l=325 deg-335 deg b=-0.˚53-0.˚53 | en |
dc.type | Article | en |
Appears in Collections: | Research Papers (A&A) |
Files in This Item:
File | Description | Size | Format | |
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1996_MNRAS_Vol.280_p378-396.pdf | 1.87 MB | Adobe PDF | View/Open |
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