Visible stars A-L

Visible stars A-L

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Alcor: Little bright star belonging to the Big Dipper, which forms, together with Mizar, a double system visible to the naked eye.

Aldebaran: Star a of the constellation of Taurus which, with an apparent magnitude of 1.1, is one of the brightest in the sky. Also known as the eye or heart of the Bull, it is 53 light years from Earth and has a luminosity 90 times higher than that of the Sun.

Algol: Star b of the constellation Perseus. With a rotation period of 69 hours, it is a double system that offers variable appearance, but in reality it is an eclipsing binary, that is, its periodic variations in brightness are due to the mutual interposition of its components.

Arthur: Star a de Boyero, located in the extension of the tail of the Big Dipper. Of spectral type K0 and visual magnitude 0.2, it has a diameter 22 times greater than that of the Sun.

Betelgeuse: Star a of the constellation Orion, the brightest and reddest, whose magnitude ranges between 0.2 and 0.9. It is a semi-regular variable, with a period of 2.07 days.

Goat: Brightest star in the constellation of the coachman, of the spectral type G, and the fourth of the sky for its apparent luminosity of 0.2.

Cabrillas: Visible stars of the Pleiades group.

Canicula.: Brightest star in Can Mayor, called Sirius today.

Capella or Capela: Main star of the coachman constellation, of magnitude 1.

Beaver: Star of the Gemini constellation. It is a double star, with a period of 350 years, and its components have magnitudes of 2 and 2.9, respectively.

Deneb: Star of the constellation of the Swan. It is a supergiant, of magnitude 1.3, located at 1,000 a.l. from the earth.

Denébola: Second most important star (b) of the constellation Leo, of magnitude 2.

Spike: Main star of the constellation Virgo. It is a double system with a period of 4 days. Located about 160 a.l. of the Earth, it has a magnitude of 1.21 and belongs to the spectral type B2.

Polar Star: Star located less than 1 ° from the celestial boreal pole and is a useful reference to locate the north direction. At present it is a star of magnitude 2 located in the constellation of the Little Bear. However, because of the precession, by the year 13,000 this position will be occupied by the star Vega.

Formalhaut: Main star of the constellation of the Southern Fish. Located at 23 a.l., it has a magnitude of 1.3 and belongs to the spectral class A3. It is visible from the northern hemisphere in autumn.

Lynx or Lynx: (Alpha Lyncis) Star of the third magnitude, the brightest of the constellation of the same name, located in the northern hemisphere, between those of the Cochero and the Big Dipper, south of the Giraffe and north of Cancer

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Star RatingM-Z visible stars