Epsilon Aquarii
Encyclopedia
Epsilon Aquarii (ε Aqr, ε Aquarii) is a star in the constellation
Aquarius
. It has an obscure traditional name, Albali, from the Arabic البالع albāli‘ "the swallower". (See also Albulaan
.)
In the catalogue of stars in the Calendarium of Al Achsasi al Mouakket
, this star was designated Nir Saad Bula (نير سعد ألبلع - nayyir sa'd al bulaʽ), which was translated into Latin
as Lucida Fortunæ Dissipantis, meaning the brightest of luck of the swallower.. This star, along with μ Aqr
(Albulaan) and ν Aqr
(Albulaan), were al Bulaʽ (البلع), the Swallower.
In Chinese
, , meaning Girl
(asterism) (or Woman), refers to an asterism consisting of ε Aquarii, μ Aquarii
, 4 Aquarii
, 5 Aquarii
and 3 Aquarii
. Consequently, ε Aquarii itself is known as
Albali belongs to the spectral class
A0 and has an apparent magnitude
of +3.8. It is 215 light-year
s from Earth.
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....
Aquarius
Aquarius (constellation)
Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for "water-bearer" or "cup-bearer", and its symbol is , a representation of water....
. It has an obscure traditional name, Albali, from the Arabic البالع albāli‘ "the swallower". (See also Albulaan
Albulaan
The traditional star name Albulaan refers to two stars in the Aquarius constellation:* μ Aquarii* ν AquariiThe name derives from the Arabic term, al-bulacān meaning "the two swallowers"....
.)
In the catalogue of stars in the Calendarium of Al Achsasi al Mouakket
Al Achsasi al Mouakket
Mohammad Al Achsasi Al Mouakket was an Egyptian astronomer whose calendarium and catalogue of stars, entitled Durret al Muddiah Fih al Aamal al Shamsiah , was written at Cairo about 1650.Al Achsasi was sheikh of the Grand Mosque of the University of Cairo, where his name al...
, this star was designated Nir Saad Bula (نير سعد ألبلع - nayyir sa'd al bulaʽ), which was translated into Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...
as Lucida Fortunæ Dissipantis, meaning the brightest of luck of the swallower.. This star, along with μ Aqr
Mu Aquarii
Mu Aquarii is a binary star in the constellation Aquarius. It is approximately 155 light years from Earth. It shares the traditional name Albulaan with ν Aquarii. The name derives from an Arabic term al-bulacān meaning "the two swallowers"...
(Albulaan) and ν Aqr
Nu Aquarii
Nu Aquarii is a star in the constellation Aquarius. It shares the traditional name Albulaan with μ Aquarii. The name derives from an Arabic term al-bulacān meaning "the two swallowers"...
(Albulaan), were al Bulaʽ (البلع), the Swallower.
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 Girl
Girl (Chinese constellation)
The Girl mansion is one of the Twenty-eight mansions of the Chinese constellations. It is one of the northern mansions of the Black Tortoise.- Asterisms :...
(asterism) (or Woman), refers to an asterism consisting of ε Aquarii, μ Aquarii
Mu Aquarii
Mu Aquarii is a binary star in the constellation Aquarius. It is approximately 155 light years from Earth. It shares the traditional name Albulaan with ν Aquarii. The name derives from an Arabic term al-bulacān meaning "the two swallowers"...
, 4 Aquarii
4 Aquarii
4 Aquarii or CCDM J20514-0537 AB is a variable star with a spectral type of F5V. It is a white main-sequence star with strengthened H and K lines of Ca II and has neutral metal ionizations. 4 Aquarii is approximately 190 light-years from Earth with an absolute magnitude of 6.48.4 Aquarii is a...
, 5 Aquarii
5 Aquarii
5 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.55.-References:*...
and 3 Aquarii
3 Aquarii
3 Aquarii or EN Aquarii or k Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 4.43. It is approximately 445 ly from Earth.-References:*...
. Consequently, ε Aquarii itself is known as
Albali belongs to the spectral class
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...
A0 and has 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 +3.8. It is 215 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.