Eta Serpentis [SEP] constellation
Eta Serpentis
Eta Serpentis (η Ser, η Serpentis) is a star in the constellation Serpens. In particular, it lies in Serpens Cauda, the snake's tail. The star has an apparent visual magnitude of 3.260, making it visible to the naked eye. Parallax measurements give a distance estimate of from the Earth.
This star is larger than the Sun, with twice the mass and almost six times the radius. The spectrum matches a stellar classification of K0 III-IV, with the luminosity class
) is represented with the star Eta Serpentis in asterism "Left Wall", Heavenly Market enclosure (see Chinese constellation).
See also.
- Geography of China
- Xihu Trough
- Geography of Japan
- Senkaku Islands (Diaoyu Islands in Chinese)
- Sea of Japan
- South China Sea
Further reading.
- Kim, Suk Kyoon. "China and Japan Maritime Disputes in the East China Sea: A Note on Recent Developments." "Ocean Development & International Law" 43.3