Ammonia (J,K) = (1,1) to (4,4) and (6,6) inversion lines detected in the Seyfert 2 galaxy NGC 1068
文献类型：期刊论文
| 作者 | Ao, Y.1,2; Henkel, C.1; Braatz, J. A.3; Weiss, A.1; Menten, K. M.1; Muhle, S.4 |
| 刊名 | ASTRONOMY & ASTROPHYSICS
 |
| 出版日期 | 2011-05-01 |
| 卷号 | 529页码:A154 |
| 关键词 | galaxies: individual: NGC 1068 galaxies: Seyfert galaxies: ISM ISM: molecules radio lines: galaxies |
| ISSN号 | 0004-6361 |
| 英文摘要 | We present the detection of the ammonia (NH3) (J,K)= (1,1) to (4,4) and (6,6) inversion lines toward the prototypical Seyfert 2 galaxy NGC 1068, made with the Green Bank Telescope (GBT). This is the first detection of ammonia in a Seyfert galaxy. The ortho-to-para-NH3 abundance ratio suggests that the molecule was formed in a warm medium of at least 20 K. For the NH3 column density and fractional abundance, we find (1.09 +/- 0.23) x 10(14) cm(-2) and (2.9 +/- 0.6) x 10(-8), respectively, from the inner similar to 1.2 kpc of NGC 1068. The kinetic temperature can be constrained to 80 +/- 20 K for the bulk of the molecular gas, while some fraction has an even higher temperature of 140 +/- 30 K. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | DENSE MOLECULAR GAS ; KINETIC TEMPERATURE ; STAR-FORMATION ; INTERSTELLAR AMMONIA ; NEARBY GALAXIES ; HOT AMMONIA ; DARK CLOUDS ; NGC-253 ; NGC-1068 ; THERMOMETER |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000294240700029 |
| 公开日期 | 2012-08-07 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/4571]  |
| 专题 | 紫金山天文台_期刊（老文献） |
| 作者单位 | 1.MPIfR, D-53121 Bonn, Germany 2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China 3.Natl Radio Astron Observ, Charlottesville, VA 22903 USA 4.Joint Inst VLBI Europe, NL-7990 AA Dwingeloo, Netherlands |
| 推荐引用方式 GB/T 7714 | Ao, Y.,Henkel, C.,Braatz, J. A.,et al. Ammonia (J,K) = (1,1) to (4,4) and (6,6) inversion lines detected in the Seyfert 2 galaxy NGC 1068[J]. ASTRONOMY & ASTROPHYSICS,2011,529:A154. |
| APA | Ao, Y.,Henkel, C.,Braatz, J. A.,Weiss, A.,Menten, K. M.,&Muhle, S..(2011).Ammonia (J,K) = (1,1) to (4,4) and (6,6) inversion lines detected in the Seyfert 2 galaxy NGC 1068.ASTRONOMY & ASTROPHYSICS,529,A154. |
| MLA | Ao, Y.,et al."Ammonia (J,K) = (1,1) to (4,4) and (6,6) inversion lines detected in the Seyfert 2 galaxy NGC 1068".ASTRONOMY & ASTROPHYSICS 529(2011):A154. |
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来源：紫金山天文台
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