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ON THE RELATIONSHIP OF UC H II REGIONS AND CLASS II METHANOL MASERS. I. SOURCE CATALOGS
Hu, B.1,2; Menten, K. M.2; Wu, Y.3; Bartkiewicz, A.4; Rygl, K.5; Reid, M. J.6; Urquhart, J. S.7; Zheng, X.8
2016-12-10
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume833Issue:1Pages:9
Corresponding AuthorHu, B.(hubonju@gmail.com)
AbstractWe conducted Very Large Array C-configuration observations to measure positions and luminosities of Galactic Class II 6.7 GHz methanol masers and their associated ultra-compact H II regions. The spectral resolution was 3.90625 kHz and the continuum sensitivity reached 45 mu Jy beam(-1). We mapped 372 methanol masers with peak flux densities of more than 2 Jy selected from the literature. Absolute positions have nominal uncertainties of 0 ''.3. In this first paper on the data analysis, we present three catalogs; the first gives information on the strongest feature of 367 methanol maser sources, and the second provides information on all detected maser spots. The third catalog presents derived data of the 127 radio continuum counterparts associated with maser sources. Our detection rate of radio continuum counterparts toward methanol masers is approximately one-third. Our catalogs list properties including distance, flux density, luminosity, and the distribution in the Galactic plane. We found no significant relationship between luminosities of masers and their associated radio continuum counterparts, however, the detection rate of radio continuum emission toward maser sources increases statistically with the maser luminosities.
Keywordcatalogs ISM: molecules masers stars: formation
DOI10.3847/0004-637X/833/1/18
WOS KeywordMASSIVE STAR-FORMATION ; FORMING REGIONS ; VLBI OBSERVATIONS ; BESSEL SURVEY ; HII-REGIONS ; RMS SURVEY ; MILKY-WAY ; GHZ ; KINEMATICS ; ASTROMETRY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000390334500003
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23393
Collection中国科学院紫金山天文台
Corresponding AuthorHu, B.
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Max Planck Inst Radioastron, D-53123 Bonn, Germany
3.Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
4.Nicolaus Copernicus Univ, Ctr Astron, Fac Phys Astron & Informat, Grudziadzka 5, PL-87100 Torun, Poland
5.Osservatorio Radio Astron INAF ORA, Via P Gobetti 101, I-40129 Bologna, Italy
6.Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
7.Univ Kent, Sch Phys Sci, Ingram Bldg, Canterbury CT2 7NH, Kent, England
8.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Hu, B.,Menten, K. M.,Wu, Y.,et al. ON THE RELATIONSHIP OF UC H II REGIONS AND CLASS II METHANOL MASERS. I. SOURCE CATALOGS[J]. ASTROPHYSICAL JOURNAL,2016,833(1):9.
APA Hu, B..,Menten, K. M..,Wu, Y..,Bartkiewicz, A..,Rygl, K..,...&Zheng, X..(2016).ON THE RELATIONSHIP OF UC H II REGIONS AND CLASS II METHANOL MASERS. I. SOURCE CATALOGS.ASTROPHYSICAL JOURNAL,833(1),9.
MLA Hu, B.,et al."ON THE RELATIONSHIP OF UC H II REGIONS AND CLASS II METHANOL MASERS. I. SOURCE CATALOGS".ASTROPHYSICAL JOURNAL 833.1(2016):9.
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