Samiksha Jaiswal

Celaeno (star)

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Magnitude  5.448
Apparent magnitude (V)  5.448
Constellation  Taurus
Celaeno (star) imgbhs4com9049046aed3d64b96aeb81e74c572ee3cd2
Similar  Electra, Maia, Taygeta, Merope, Pleione

Celaeno, also designated 16 Tauri, is a star in the constellation of Taurus and a member of the Pleiades open star cluster (M45) of stars.



16 Tauri is a blue-white B-type subgiant with an apparent magnitude of +5.45. It is approximately 430 light years from the Sun; about the same distance as the Pleiades. The interstellar extinction of this star is fairly small at 0.05 magnitudes. The projected rotational velocity of the equator is 185 km/s. It is over four times the radius of the Sun and has a surface temperature of 12,800 K.


16 Tauri is the star's Flamsteed designation.

It bore the traditional named Celaeno (or Celeno) and was called the "Lost Pleiad" by Theon the Younger. Celaeno was one of the Pleiades sisters in Greek mythology. In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalogue and standardize proper names for stars. The WGSN approved the name Celaeno for this star on 21 August 2016 and it is now so entered in the IAU Catalog of Star Names.


USS Celeno (AK-76) was a United States Navy Crater class cargo ship named after the star.


Celaeno (star) Wikipedia

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