Zeta Arae
Encyclopedia
Zeta Arae is a star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

 in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....

 Ara
Ara (constellation)
Ara is a southern constellation situated between Scorpius and Triangulum Australe. Its name is Latin for "altar". Ara was one of the 48 Greek constellations described by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations defined by the International Astronomical...

. It is an orange K-type
Stellar classification
In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure...

 giant
Giant star
A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature. Typically, giant stars have radii between 10 and 100 solar radii and luminosities between 10 and 1,000 times that of the Sun. Stars still more luminous than giants are...

 with an apparent magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...

 of +3.12. It is approximately 574 light years
Light Years
Light Years is the seventh studio album by Australian recording artist Kylie Minogue. It was released on 25 September 2000 by Parlophone and Mushroom Records. The album's style was indicative of her return to "mainstream pop dance tunes"....

 from Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

.

This star sometimes is called by the name Tseen Yin, together with δ Arae
Delta Arae
Delta Arae is a double star in the constellation Ara.Delta Arae is a blue-white B-type main sequence star with an apparent magnitude of 3.60m. It is 187 light years from the Earth...

.
In Chinese
Chinese language
The Chinese language is a language or language family consisting of varieties which are mutually intelligible to varying degrees. Originally the indigenous languages spoken by the Han Chinese in China, it forms one of the branches of Sino-Tibetan family of languages...

, , meaning Tortoise
Tail (Chinese constellation)
The Tail mansion is one of the Twenty-eight mansions of the Chinese constellations. It is one of the eastern mansions of the Azure Dragon.- Asterisms :...

, refers to an asterism consisting of ζ Arae, ε1 Arae
Epsilon1 Arae
Epsilon1 Arae is the 4th magnitude star in the constellation Ara.ε1 Arae is an orange K-type giant with an apparent magnitude of 4.06m. It is approximately 300 light years from the Earth....

, γ Arae
Gamma Arae
Gamma Arae is a star in the constellation Ara. It is approximately 1140 light years from Earth. This is a blue-white B-type supergiant with an apparent magnitude of +3.5....

, δ Arae
Delta Arae
Delta Arae is a double star in the constellation Ara.Delta Arae is a blue-white B-type main sequence star with an apparent magnitude of 3.60m. It is 187 light years from the Earth...

 and η Arae
Eta Arae
Eta Arae or IDS 16411-5852 A is a double star in the constellation Ara. It is approximately 313 light years from Earth....

. Consequently, ζ Arae itself is known as
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK