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The brightest stars of the cluster are named the Seven Sisters in early Greek mythology: Sterope, Merope, Electra, Maia, Taygeta, Celaeno, and Alcyone. Later, they were assigned parents, Pleione and Atlas. [18] As daughters of Atlas, the Hyades were sisters of the Pleiades. The following table gives details of the brightest stars in the cluster:
Alcyone / æ l ˈ s aɪ ə n iː /, [11] designated η Tauri (Eta Tauri, abbreviated Eta Tau, η Tau), is a star in the constellation of Taurus. Approximately 440 light-years from the Sun, it is the brightest star in the Pleiades open cluster, which is a young cluster, around 100 million years old. There are a number of fainter stars very close ...
It is approximately 430 light years from the Sun; [5] about the same distance as the Pleiades. The interstellar extinction of this star is fairly small at 0.05 magnitudes. [11] The projected rotational velocity of the equator is 185 km/s. [8] It is over four times the radius of the Sun and has a surface temperature of 12,800 K. [6] [7]
Maia / ˈ m eɪ ə /, designated 20 Tauri (abbreviated 20 Tau), is a star in the constellation of Taurus. It is a blue giant of spectral type B8 III, a chemically peculiar star, and the prototype of the Maia variable class of variable star. Maia is the fourth-brightest star in the Pleiades open star cluster (Messier 45), after Alcyone, Atlas ...
In 1942 Otto Struve, one of the early researchers of Be Stars, stated that Pleione is "the most interesting member of the Pleiades cluster". [20] Like many of the stars in the cluster, Pleione is a blue-white B-type main sequence dwarf star with a temperature of about 11,000 K. It has a bolometric luminosity of 184 L ☉ assuming a distance of ...
Electra / ə ˈ l ɛ k t r ə /, [11] designated 17 Tauri, is a blue-white giant star in the constellation of Taurus located approximately 400 light years away. It is the third-brightest star in the Pleiades open star cluster (), visible to the naked eye with an apparent magnitude of 3.7.
Cor Tauri, Parilicium; 13th-brightest star, variable: β Tau: ... BU Tau; member of the Pleiades star cluster; γ Cas variable 30 Tau: e: 30: 23793: 17771: 03 h 48 m ...
The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag [1] Venus −4.92 mag; Jupiter −2.94 mag; Mars −2.94 mag; Mercury −2.48 mag; Saturn −0.55 mag [2]