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- Then we found that the transformation from Quasar to Seyfert galaxy is so obvious that we could easily find the relation between them. 其中由类星体变化到Seyfert星系的过程非常明显,从它们的演化过程能够清晰看出二者之间演化过程的过渡。
- Seyfert galaxy is a spiral galaxy that emits large amounts of infrared rays as well as large amounts of radio waves, X rays, or both radio waves and X rays. “塞佛特”星系是一类特殊的星系,它发射大量射电波、X射线(或两者都有)的同时也发射大量的红外线。
- Seyfert galaxies get their name from American astronomer Carl K. “塞佛特”星系的名称来美国天文学家CarlK.
- Four out of five Seyfert galaxies are barred spirals. 80%25的塞弗特星系并不旋转。
- The Seyfert galaxy NGC 4151 is one of the nearest (z=0.00332, D=13.2 Mpc when a Hubble constant of 75 km s~(-1)Mpc~(-1) is used) and brightest Seyfert 1 galaxies. 赛弗特星系NGC4151是一个离我们最近(当哈勃常数取75km s~(-1)Mpc~(-1)时,红移为0.;00332,距离为13
- Without starbursts, therefore, Seyfert galaxies would probably cease to shine. 因而,没有星群爆发,赛非星系很可能就不会发光。
- Seyfert galaxies are energetic because they have a central black hole surrounded by a ring of gas. 赛非星系能量巨大,因为在其中心有-一黑洞,黑洞周围则环绕着环状星云。
- Finally, a possible evolutionary sequence of Seyfert Galaxies, from Seyfert is to Seyfert 2s then to Seyfert 3s or liners, are suggested. 最后提出了赛弗特星系可能的一种演化序列:从1型赛弗特星系演化到2型赛弗特星系,最后演化为3型赛弗特星系或低电离核星系。
- REVERBERATION MAPPING ANALYSIS OF THE BROAD-LINE REGION IN SEYFERT GALAXY NGC 4151 Seyfert星系NGC4151宽线区的Reverberation Mapping分析
- Discovery of Six New X ray selected Quasars and a New Seyfert Galaxy from the ROSAT All Sky Survey 新发现的6个X选类星体和1个Seyfert星系
- A galaxy of film stars attended the premiere. 一群影星参加了首次公演。
- We report Chandra observations of the Seyfert 1.9 galaxy NGC 526A. 报告了Seyfert1 .;9星系NGC52 6A的Chandra观测结果。
- Each galaxy contains myriads of stars. 每一星系都有无数的恒星。
- Seyfert galaxy 赛弗特星系
- There may be millions of worlds in the Milky Way Galaxy. 银河系中也许有几百万个世界。
- Billiard Galaxy opened the annual contest! 一年一度的银河撞球大赛开幕了!
- Our galaxy is a continuously evolving system. 我们的星系是一个不断演化的星系。
- The company has a galaxy of talent. 该公司拥有一批优秀的人才。
- The Milky Way galaxy is supposed to be like this? 银河系应该也差不多是这样吧。
- The solar system is a small part of our galaxy. 太阳系是我们星系的一个小部分。