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| Optical Identifications of Companion Soft X-ray Sources of Mrk 231 | |
| 基金项目： | The BATC Survey is supPOrted be the Chinese Academy of Sciences，the National Natural Science Foundation of China，This wo |
| 摘 要： | |
| 关 键 词： | X射线 光学 波段 红移 光源 银河系 |
Optical Identifications of Companion Soft X-ray Sources of Mrk 231 |
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| Abstract: | |
| Keywords: | galaxies: individual (Mrk 231) - X-rays: galaxies - quasars |