Aldebaran


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Aldebaran

(ăl'dĕb`ərən), brightest star in the constellation TaurusTaurus
[Lat.,= the bull], in astronomy, constellation NW of Orion and lying on the ecliptic (the sun's apparent path through the heavens) between Gemini and Aries; it is one of the constellations of the zodiac.
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; Bayer designation α Tauri; 1992 position R.A. 4h35.5m, Dec. +16°30'. An orange giant star (spectral classspectral class,
in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
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 K5 III) with apparent magnitude averaging 0.85, it is one of the 20 brightest stars in the sky. Aldebaran is a visual binary starbinary star
or binary system,
pair of stars that are held together by their mutual gravitational attraction and revolve about their common center of mass. In 1650 Riccioli made the first binary system discovery, that of the middle star in the Big Dipper's handle, Zeta
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 and an irregular variable starvariable star,
star that varies, either periodically or irregularly, in the intensity of the light it emits. Other physical changes are usually correlated with the fluctuations in brightness, such as pulsations in size, ejection of matter, and changes in spectral type, color, or
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, with magnitudemagnitude,
in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars
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 ranging from 0.78 to 0.93. Its distance is 68 light-years. The name is from the Arabic meaning "follower (of the Pleiades)."

Aldebaran

(al-deb -ă-răn) (α Tau) A conspicuous red giant that is the brightest star in the constellation Taurus and lies in the line of sight of but much nearer than the Hyades. It is a slow irregular variable. It has two companions: one of 11th magnitude at 122″ separation, the other of 13th magnitude at 30″. mv : 0.85 (var.); Mv : –0.3; spectral type: K5 III; radius (by interferometer): 45 times solar radius; distance: 18 pc.

Aldebaran

[al′deb·ə·rən]
(astronomy)
A red giant star of visual magnitude 1.06, spectral classification K5-III, in the constellation Taurus; the star α Tauri.
References in periodicals archive ?
The light leaving Aldebaran, the farthest of the six (apart from Rigel), takes 65 years to arrive at Earth, the lifetime of a retiree.
However, it will take place in daylight in Hawaii with the Aldebaran disappearing at 3:33 p.m.
APRIL 10 The waxing crescent Moon occults Aldebaran for much of the U.S.
The stars, like Aldebaran are so far away that they appear as points of light.
Since 2008, over 7,000 NAO (pronounced "now") robots have been sold and Aldebaran estimates that more than 50 are currently being used in science, engineering and mathematics (STEM) research and special education programs in the Garden State.
Chief of Aldebaran Robotics -- a company specialising in humanoid robots -- Bruno Maisonnier is one man who knows the task at hand not easy.
Aldebaran Robotics is also today meeting the specific needs of edutainment, personal support and events.
I created Aldebaran Robotics in 2005 with this aim: to contribute to humankind's well-being," states Bruno Maisonnier, Founder and Chairman of Aldebaran Robotics.
French-based Aldebaran Robotics, in which Intel Corporation has invested capital, were in town to showcase the power of robots in the classroom to Middle East academia and research institutions.
She turned to the stars growing out of the air, like Aldebaran
This sees all entrants use the same robot - a small humanoid called Nao made by French firm Aldebaran Robotics.