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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 ...
The brightest stars form a shape somewhat similar to that of Ursa Major and Ursa Minor. The total mass contained in the cluster is estimated to be approximately 800 solar masses and is dominated by fainter and redder stars [clarification needed]. [67] An estimate of the frequency of binary stars in the Pleiades is approximately 57%. [68]
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 ...
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]
Annotated night sky image showing Auriga and the Pleiades—Capella is the brightest star, towards top left With an average apparent magnitude of +0.08, Capella is the brightest object in the constellation Auriga , the sixth-brightest star in the night sky, the third-brightest in the northern celestial hemisphere (after Arcturus and Vega ), and ...
The first list shows a few of the known stars with an estimated luminosity of 1 million L ☉ or greater, including the stars in open cluster, OB association and H II region. The majority of stars thought to be more than 1 million L ☉ are shown, but the list is incomplete. The second list gives some notable stars for the purpose of comparison.
After this, they were swept into the night sky. Their glowing fire sticks became the bright stars of the Pleiades cluster. [98] [99] The Wirangu people of the west coast of South Australia have a creation story embodied in a songline of great significance based on the Pleiades. In the story, the hunter (the Orion constellation) is named Tgilby ...