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ON THE RELATIONSHIP OF UC H II REGIONS AND CLASS II METHANOL MASERS. I. SOURCE CATALOGS
Hu, B.; Menten, K. M.; Wu, Y.; Bartkiewicz, A.; Rygl, K.; Reid, M. J.; Urquhart, J. S.; Zheng, X.
2016
发表期刊ASTROPHYSICAL JOURNAL
卷号833期号:1页码:18
摘要We 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.
文献类型期刊论文
条目标识符http://libir.pmo.ac.cn/handle/332002/17059
专题天体化学和行星科学实验室
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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):18.
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),18.
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):18.
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