What is "celaeno"

In Greek mythology, Celaeno (; Kelaino, lit. 'the dark one', also Celeno or Kelaino, sometimes [misspelled] Calaeno) referred to several different figures.

• Celaeno, one of the Harpies, whom Aeneas encountered at Strophades. She gave him prophecies of his coming journeys.
• Celaeno, one of the Pleiades. She was said to be mother of Lycus and Nycteus by Poseidon; of Eurypylus (or Eurytus), King of Cyrene, and Lycaon, also by Poseidon; and of Lycus and Chimaereus by Prometheus.
• Celaeno, one of the Danaids, the daughters of Danaus. Her mother was Crino. She married and killed Hyperbius, son of Aegyptus and Hephaestine. She was also believed to have had a son Celaenus by Poseidon.
• Celaeno, an Amazon. She was killed by Heracles whilst he was undertaking the ninth labour.
• Celaeno, daughter of Hyamus and granddaughter of Lycorus. She was the mother of Delphus by Apollo.

Celaeno (Celeno or 16 Tauri) is a star in the constellation Taurus and a member of the Pleiades open cluster of stars. Celaeno has been called the "Lost Pleiad" by Theon the Younger.

16 Tauri is a blue-white B-type subgiant with an apparent magnitude of +5.45. It is approximately 430 light years from Earth; 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.