of a zodiacal constellation, it is close to the Sun's path, the Sun passing Les colères du soleil, le spectacle continue ! Aldebaran . 50 km away), equivalent to a linear diameter of approx. It marks the eye of the celestial Bull. Prévenez-moi de tous les nouveaux articles par e-mail. Masse:1,7 M ☉ Infos: Aldébaran, également appelée Alpha Tauri (α Tauri/α Tau) selon la désignation de Bayer, est l’étoile la plus brillante de la constellation du Taureau. Le satellite Hipparcos l’a située à une distance de 65,1 al et sa luminosité est 150 fois plus grande que celle du Soleil. Bonjour ! Visuellement, Aldébaran semble être le membre le plus brillant d’un groupe d’étoiles assez étalé : l’amas des Hyades, qui est l’amas le plus proche de la Terre, mais Aldébaran est en fait situé à mi-chemin entre la Terre et les Hyades et est donc indépendant de celui-ci. Mythology. Aldebaran is a slightly variable star, of the slow irregular variable type LB. Aldebaran, Alpha Tauri, also known as the Eye of Taurus, is an orange giant star located at a distance of 65 light years from Earth. Ce site utilise Akismet pour réduire les indésirables. They may not be reproduced, published, copied or transmitted in any form, including electronically on the Internet, without written permission of the author. Prévenez-moi de tous les nouveaux commentaires par e-mail. Photo: © Située à environ 65 années-lumière du Soleil, elle est la 14 ème étoile la plus brillante du ciel nocturne. is an orange giant star located about 65 light years away in the zodiac constellation of Taurus. Aldebaran and the Hyades. All images are digitally watermarked. Aldebaran or Alpha Tauri (Alp Tau) is the brightest naked eye star in the constellation Taurus. Aldebaran is a low-level irregular Its apparent magnitude is about 0.85, making it the 14th brightest star in the night sky. • Apparent magnitude (J): -2.10 • Radius: 44.2 sol • Mass: 1.7 sol • Luminosity: 425 sol • Surface Temperature: 3,910K • Radial velocity: 54.26 km/s • Rotation: 643 days • Coordinates: RA: 4h 35m 55s, dec: 16°30’35” • Other Designations: 87 Tauri, Alpha Tauri, BD+16°629, GJ 171.1, GJ 9159. En savoir plus sur comment les données de vos commentaires sont utilisées, licence Creative Commons Attribution – Pas d’Utilisation Commerciale – Partage dans les Mêmes Conditions 4.0 International. dwarf orbiting at several hundred AU. of the Sun, and one of the nearest red giants. It has exhausted the hydrogen fuel in its core and hydrogen fusion has ceased there. | Home | Blog | Recent Images | Photo Index | Bifrost | Ephemeris | Resources | News | Contact |. Aldebaran serpent, Aldebaran whiskey, and the Aldebaran shellmouth. Its Arabic name, meaning "the Follower," refers to its apparent pursuit It has an apparent magnitude of 13.6 and an absolute magnitude of 11.98. T. Credner & S. Kohle, AlltheSky.com. Magnitude apparente: +0,86. All rights reserved. Sa magnitude absolue est de −0,63 et sa magnitude apparente moyenne de +0,86. Aldebaran has a spectral type of K5III, a surface temperature of 4010° Kelvin and a luminosity 425 times the Sun. Having evolved off The description above is based on the Aldebaran entry in Wikipedia. (Enterprise: As part It has a mass of 1.7 solar masses and a diameter 44.2 times the Sun. "Distant Voices"). Du fait de son grand diamètre, la température de surface de l’étoile est faible (3 400 K). Aldebaran's location is: Right ascension: 04 hours 35 minutes 55.2 … not physically associated with it, being only half as far away. Image: Wikipedia. Votre adresse de messagerie ne sera pas publiée. The name Aldebaran is Arabic and translates literally as "the follower", presumably because this bright star appears to follow the Pleiades, or "Seven Sisters" star cluster in the night sky. 5.3 × 107 km, or 38 times the diameter of the Sun. | Home | Blog | Recent Images | Photo Index | Bifrost | Ephemeris | Resources | Copyright | Image Licensing | Contact |. Aldebaran is one of the easiest stars to find in the night Posted on24 décembre 201420 juillet 2015AuthorEric3 commentaires. Although not yet hot enough for fusing helium, the core temperature of the star has greatly increased due to gravitational pressure and the star has expanded to a diameter of 44.2 times the diameter of the Sun, approximately 61 million kilometres. Bifrost Astronomical Observatory, Portal, AZ, Takahashi Epsilon 180 Hyperbolic Astrograph. "Hide and Q", "Conspiracy", "Relics"; Deep Space 9: "Prophet Motive", "Explorers", With an average apparent magnitude of 0.87 it is the brightest star in the constellation and is one of the brightest stars in the nighttime sky. to the north of it around Jun 1; it is also regularly occulted by the Moon.

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