The star Epsilon Pegasi, magnitude 2.4. It is a K2 supergiant 690 l.y. away. It reportedly flared up to magnitude 0.7 for one night in September 1972. It has a wide companion of magnitude 8.4, which is not related.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。