Xi Aquarii
Encyclopedia
Xi Aquarii is a star 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....

 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 the traditional name Bunda.

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 Thanih Saad al Saaoud (تاني سعد السعود - taanii sa‘d al-su‘ūd), 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 Secunda Fortunæ Fortunarum, meaning the second of luck of lucks.This star, along with β Aqr
Beta Aquarii
Beta Aquarii is a triple star in the constellation Aquarius. It has the traditional name Sadalsuud, from an Arabic expression سعد السعود sa‘d al-su‘ūd, the "luck of lucks"...

 (Sadalsuud) and c Cet
46 Capricorni
46 Capricorni is a star in the constellation Capricornus. It is a yellow G-type bright giant with an apparent magnitude of +5.10 and is approximately 800 light years from Earth.-Etymology:...

, were Saʽd al Suʽud (سعد السعود), the Luck of Lucks.

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 Celestial Ramparts
Emptiness (Chinese constellation)
The Emptiness 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 ξ Aquarii, 46 Capricorni
46 Capricorni
46 Capricorni is a star in the constellation Capricornus. It is a yellow G-type bright giant with an apparent magnitude of +5.10 and is approximately 800 light years from Earth.-Etymology:...

, 47 Capricorni, λ Capricorni
Lambda Capricorni
Lambda Capricorni is a star in the constellation Capricornus.λ Capricorni is a white A-type main sequence dwarf with an apparent magnitude of +5.57. It is approximately 294 light years from Earth....

, 50 Capricorni, 18 Aquarii
18 Aquarii
18 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.48.-References:* -Components:...

, 29 Capricorni, 9 Aquarii
9 Aquarii
9 Aquarii is a yellow giant with a spectral type G8III and an absolute magnitude of 7.38 in the constellation Aquarius....

, 8 Aquarii
8 Aquarii
8 Aquarii is a blue-white sub-giant of the spectral class A4IV in the constellation Aquarius with an absolute magnitude of 6.775. It is approximately 320 light-years away from Earth...

, ν Aquarii
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"...

, 14 Aquarii, 17 Aquarii
17 Aquarii
17 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.99....

 and 19 Aquarii
19 Aquarii
19 Aquarii is a star in the constellation Aquarius. Its apparent magnitude is 5.71. It is a yellow-white subgiant . It is approximately 445 light years from Earth....

. Consequently, ξ Aquarii itself is known as

Bunda belongs to the spectral class A7V and has a stellar magnitude of +4.68. It is approximately 179 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. It is a spectroscopic binary which completes one orbit every 8016 days.
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