Zeta Aquilae

From Wikipedia, the free encyclopedia

ζ Aquilae
Observation data
Equinox J2000.0
Constellation Aquila
Right ascension 19h 05m 24.6s
Declination +13° 51' 48"
Apparent magnitude (V) +2.99
Distance 83.2 ± 1.5 ly
(25.5 ± 0.5 pc)
Spectral type A0Vn
Other designations
Deneb el Okab, Woo, Yuë,
17 Aquilae, HR 7235,
HD 177724, NN 4095,
BD+13°3899, FK5 716,
HIP 93747, SAO 104461,
GC 26270, ADS 12026,
CCDM 19055+1352

Zeta Aquilae (ζ Aql / ζ Aquilae) is a triple star system in the constellation Aquila. It also has the traditional names Deneb el Okab, from an Arabic term ذنب العقاب ðanab al-cuqāb meaning "the tail of the falcon", and the Mandarin names Woo and Yuë, derived from 吳 , an old state near Jiangsu province, and 粵 yuè, an old state in Guandong province. It shares these names with ε Aquilae.

The primary component, ζ Aquilae A, is a white A-type main sequence dwarf with an apparent magnitude of +2.99. It has two 12th magnitude companions at 6.5 and 158.6 arcseconds from the primary. Zeta Aquilae is approximately 83.2 light years from Earth.


In other languages