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Alcyone

Astronomy AlcorAldebaran

ALCYONE (Eta Tauri). Rising over the eastern horizon, Taurus's Pleiades star cluster announces northern autumn, telling of the cold months to come, when the group will soar high through the winter sky.

 


Alcyone is a blue B7IIIe giant star. Burnham estimates the luminosity of Alcyone as about 1000 times that of the sun. The star is almost 20 times the diameter of the sun. Alcyone is the brightest star of the Pleiades.

Alcyone
( Tau) -- The brightest star in the Pleiades (spectral type B5).
Aldebaran ...

Alcyone, the brightest of these, a star of the third magnitude, was considered by Madler the central point around which our universe is revolving, but there is no sufficient evidence of such motion.

eta Tau Alcyone is the brightest member of this cluster. 16 Tau Celaeno 17 Tau Electra 19 Tau Taygeta 20 Tau Maia 21 Tau Sterope I is known as Asterope when combined with Sterope II. 22 Tau Sterope II is known as Asterope when combined with Sterope I.

alcyone.de/cgi-bin/search.pl?object=HR70
Image 26 Andromedae
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Alcyone Eta Tauri
Aldebaran Alpha Tauri
Alderamin Alpha Cephei
Aldhafera Zeta Leonis
Aldhanab Gamma Gruis
Aldhibah Zeta Draconis
Aldib Delta Draconis
Al Fawaris Delta Cygni
Alfecca Meridiana Alpha Coronae Australis
Alfirk Beta Cephei ...

Unlike their half-sisters the Hyades, the names of all seven Pleiades are assigned to stars in the cluster: Alcyone, Asterope (also known as Sterope), Celaeno, Electra, Maia, Merope and Taygete.

Six stars are easily visible to the naked eyeAlcyone (the brightest), Electra, Celaeno, Sterope, Maia, and Taygete.

The nine brightest stars of the Pleiades are named for the Seven Sisters of Greek mythology: Sterope, Merope, Electra, Maia, Taygete, Celaeno and Alcyone, along with their parents Atlas and Pleione.

alcyone.de (HR 8501 = WDS 22183-5338, Washington Visual Double Star Catalog, 1996.0). According to one reference, they may move around each other at an average distance of about 46 AUs, a semi-major axis of a= 3.4" (Poveda el al, 1994, pp.

Astronomy
Constellations - Taurus - 25eta Tau (Alcyone)
Identification Data
Common Name ...

The Pleiades are, according to Greek mythology, the seven daughters of Atlas, the titan who holds up the sky, and the Oceanid named Pleione. The sisters are Alcyone, Maia, Electra, Taygeta, Celaeno, Merope and Sterope.

* Alcyone (η Tauri): a blue-white (B-type) giant; the brightest of the Pleiades
* ThubanDraconis): a white (A-type) giant
* σ Octantis: a yellow-white (F-type) giant; the southern pole star ...

Taurus Ceti (there is no "Ceti" star in this modern constellation -- by the name, this star might lie on the border with the Cetus constellation) (VOY: "Shattered")
Home of the Alcyones (Eta Tauri)
Triangulum (Trianguli) ...

This group is particularly rich in bright stars, and is full of nebulosity, but there are fewer faint stars than in equal areas of the surrounding sky; the central star is Alcyone (3rd magnitude); PleIone and Atlas are also of the 3rd magnitude.

See also: Light, Star, Pleiades, Cluster, Taurus