The massive black hole in the center of the active galaxy Mrk421
文献类型：期刊论文
| 作者 | Xie GZ(谢光中)1,2; Bai JM(白金明)1; Zhang X(张雄)1,4; Fan, JH3 |
| 刊名 | ASTRONOMY & ASTROPHYSICS
 |
| 出版日期 | 1998-06 |
| 卷号 | 334期号:1页码:L29-L31 |
| 关键词 | BL Lacertae objects : individual : Mrk 421 gamma-rays : theory galaxy : photometry |
| ISSN号 | 0004-6361 |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Bai, JM |
| 英文摘要 | We report the observation of a dramatic outburst in the optical band from the active galaxy Markarian 421 (Mrk 421). During this outburst, the brightness of Mrk 421 increased rapidly by 1.34mag from B=15.67 to B=14.32 in 26 minutes. Another interesting fact is that this extremely rapid burst in the optical band is similar to the dramatic outburst of TeV photons which was obtained by Gaidos et al. (1996) in every essential respect, for example, the time scales on which they vary, and the shapes of the light curves. These data in the optical band and TeV gamma-ray suggest that they are both produced in the same emission region, and that the emission region is extremely small, R approximate to 1.23 x 10(14) cm. With these results, we prove that there is a massive black hole with M = 2 x 10(6) M. in the centre of Mrk 421. We obtained also a important result R=205R(g) > 200R(g) (Sunyaev 1975). This could provide a new challenge for current theoretical model of such emissions. We prove that the origin of TeV gamma-ray is by Synchrotron self-Compton. |
| 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] | BL-LACERTAE OBJECTS ; GAMMA-RAYS ; BLAZARS |
| 收录类别 | SCI |
| 原文出处 | http://adsabs.harvard.edu/abs/1998A%26A...334L..29X |
| 语种 | 英语 |
| WOS记录号 | WOS:000074072100008 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/6874]  |
| 专题 | 云南天文台_星系研究组 |
| 作者单位 | 1.Yunnan Astronomical Observatory, The Chinese Academy of Sciences, Kunming, 650011, P.R. China 2.United Laboratory of Optical Astronomy, The Chinese Academy of Sciences (ULOAC) 3.Astrophysical Center, Guangzhou Teacher’s College, Guangzhou 510400, P.R. China 4.Department of physics of Yunnan Normal University, Kunming, P.R. China |
| 推荐引用方式 GB/T 7714 | Xie GZ,Bai JM,Zhang X,et al. The massive black hole in the center of the active galaxy Mrk421[J]. ASTRONOMY & ASTROPHYSICS,1998,334(1):L29-L31. |
| APA | Xie GZ,Bai JM,Zhang X,&Fan, JH.(1998).The massive black hole in the center of the active galaxy Mrk421.ASTRONOMY & ASTROPHYSICS,334(1),L29-L31. |
| MLA | Xie GZ,et al."The massive black hole in the center of the active galaxy Mrk421".ASTRONOMY & ASTROPHYSICS 334.1(1998):L29-L31. |
入库方式： OAI收割
来源：云南天文台
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