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The traditional name Denebola is shortened from Deneb Alased, from the Arabic phrase ذنب الاسد ðanab al-asad 'tail of the lion', as it represents the lion's tail, the star's position in the Leo constellation. [15] (Deneb in Cygnus has a similar name origin.) In the Alphonsine Tables it was recorded as Denebalezeth. [16]
The star's name comes from the Arabic phrase Deneb Elased, or ðanab al-asad, meaning "the tail of the lion." [ 26 ] This refers to the star's position in the constellation at the lion's tail end. Denebola has a mass of 1.78 solar masses and a radius of 1.728 solar radii, making it almost twice the size of our sun.
It is a double star divisible in binoculars, with a secondary of magnitude 7.7. Its traditional name (Regulus) means "the little king". Beta Leonis, called Denebola, is at the opposite end of the constellation to Regulus. It is a blue-white star of magnitude 2.23, 36 light-years from Earth. The name Denebola means "the lion's tail".
Deneb is the tail star of Cygnus, the Swan. And Altair is the eye of the constellation Aquila, the Eagle. The Summer Triangle is extremely easy to identify, and you’ll see all three stars every ...
The Book of Fixed Stars, a 10th-century synthesis of the comprehensive star catalogue in Ptolemy’s Almagest with local Arabic astronomical traditions on the constellations (notably the constellation system of the Anwā’). This page shows Orion (al-jabbar, "the giant"). The star Rigel in his foot derives its name from the Arabic rijl, "foot."
Deneb is the brighest star in the constellation of Cygnus (top) α Cygni (Latinised to Alpha Cygni) is the star's designation given by Johann Bayer in 1603. The traditional name Deneb is derived from the Arabic word for "tail", from the phrase ذنب الدجاجة Dhanab al-Dajājah, or "tail of the hen". [12]
Another star visible to the naked eye is γ Capricorni, sometimes called Nashira ("bringing good tidings"); it is a white-hued giant star of magnitude 3.7, 139 light-years from Earth. π Capricorni is a double star with a blue-white hued primary of magnitude 5.1 and a white-hued secondary of magnitude 8.3. It is 670 light-years from Earth and ...
In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...