Alcyone
Sign in to saveAlso known as Eta Tauri, 25 Tauri, HD 23630, BDS 1875 A, 25 Tau, η Tau, η Tauri, CEL 344
star system in the constellation Taurus
Key facts
- Constellation
- Taurus
- Right ascension
- 03 47 29.077
- Declination
- +24 ° 06 ′ 18.49 ″
- Evolutionary stage
- subgiant
- Spectral type
- B7IIIe
- U b color index
- −0.34
- B v color index
- −0.09
via Wikipedia infobox
Wikidata facts
- Instance of
- binary star
- Part of
- Pleiades
- Named after
- Alcyone
- Constellation
- Taurus
- Distance from Earth
- 370
- Variable-star type
- Delta Scuti variable
- Image
- Plei scheme.jpg
Show 17 more facts
- Commons category
- Alcyone (star)
- catalog code
- Gaia DR3 66714384142368256
- spectral class
- B5p
- luminosity
- 2400
- stellar rotational velocity
- 229
- apparent magnitude
- 2.94
- parallax
- 8.87
- right ascension
- 56.87115230375
- declination
- 24.10513565194
- effective temperature
- 13490
- radial velocity
- 15.0
- epoch
- J2000.0
- absolute magnitude
- -2.39
- right ascension component of proper motion
- 22
- declination component of proper motion
- -43
- surface gravity
- 10000
- name
- アルキオネ
via Wikidata · CC0
~4 min read
Encyclopedic overview
Alcyone /ælˈsaɪəniː/, is a blue-white giant star and the brightest star in the Pleiades open cluster. At apparent magnitude 2.87, it is also the third-brightest star in the Taurus constellation. The star has the Bayer designation Eta Tauri, Latinized from η Tauri and abbreviated Eta Tau or η Tau. It is about 440 light-years distant.
Nomenclature
Excerpted from Wikipedia’s “Alcyone” article, available under the CC BY-SA 4.0 licence.