Eta Scuti

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η Scuti
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Scutum
Right ascension 18h 57m 03.7s
Declination -05° 50' 46"
Apparent magnitude (V) +4.83
Distance 207 ± 12 ly
(63 ± 4 pc)
Spectral type K1III
Other designations
HR 7149, HD 175751,
SAO 142838, HIP 93026

Eta Scuti (η Sct, η Scuti) is a star in the constellation Scutum.

Eta Scuti is an orange K-type giant with an apparent magnitude of +4.83. It is approximately 207 light years from Earth. This star has 1.4 times the mass of the Sun, more than ten times the Sun's radius, and is about 2.8 billion years old.[1]

Eta Scuti was a latter designation of 9 Aquilae.[2]


  1. ^ da Silva, L.; et al. (November 2006), "Basic physical parameters of a selected sample of evolved stars", Astronomy and Astrophysics, 458 (2): 609–623, arXiv:astro-ph/0608160free to read, Bibcode:2006A&A...458..609D, doi:10.1051/0004-6361:20065105 
  2. ^ Wagman, M. (August 1987). "Flamsteed's Missing Stars". Journal for the History of Astronomy, Vol.18, NO. 3/AUG, P.209, 1987. 18: 213. Bibcode:1987JHA....18..209W.