Upsilon Ceti
Encyclopedia
Upsilon Ceti is a Class K5
, fourth-magnitude star
in the constellation
Cetus. Upsilon Ceti is a red-orange giant star located about 300 light-year
s from Earth
.
This star with η Cet
(Deneb Algenubi), θ Cet
(Thanih al Naamat), τ Cet
(Durre Menthor) and ζ Cet
(Baten Kaitos), were Al Naʽāmāt (ألنعامة), the Hen Ostriches
In Chinese
, , meaning Sickle
, refers to an asterism consisting of υ Ceti, 48 Ceti and 56 Ceti. Consequently, υ Ceti itself is known as
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...
, fourth-magnitude 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....
Cetus. Upsilon Ceti is a red-orange giant star located about 300 light-year
Light-year
A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...
s 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 with η Cet
Eta Ceti
Eta Ceti is a star in the constellation Cetus. It has the traditional name Deneb Algenubi or Algenudi. The name was from Arabic ذنب ألجنبي - ðánab al-janūbii, meaning the southern tail of the sea monster....
(Deneb Algenubi), θ Cet
Theta Ceti
Theta Ceti is a Class K0, fourth-magnitude star in the constellation Cetus. Theta Ceti is an orange giant star located about 115 light-years from Earth.-Name:...
(Thanih al Naamat), τ Cet
Tau Ceti
Tau Ceti is a star in the constellation Cetus that is spectrally similar to the Sun, although it has only about 78% of the Sun's mass. At a distance of just under 12 light-years from the Solar System, it is a relatively close star. Tau Ceti is metal-deficient and so is thought to be less likely to...
(Durre Menthor) and ζ Cet
Zeta Ceti
Zeta Ceti is a star in the constellation Cetus. It has the traditional name Baten Kaitos ....
(Baten Kaitos), were Al Naʽāmāt (ألنعامة), the Hen Ostriches
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 Sickle
Wall (Chinese constellation)
The Wall mansion is one of the Twenty-eight mansions of the Chinese constellations. It is one of the northern mansions of the Black Tortoise.- Asterisms :...
, refers to an asterism consisting of υ Ceti, 48 Ceti and 56 Ceti. Consequently, υ Ceti itself is known as