Eta Tucanae

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η Tucanae
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Tucana
Right ascension 23h 57m 35.2s
Declination −64° 17' 54"
Apparent magnitude (V) +5.00[1]
Distance 159 ± 4 ly
(49 ± 1 pc)
Spectral type A1V[1]
Other designations
HR 9062, HD 224392, CPD–64° 4391, HIP 118121, SAO 255609, GC 33223

Eta Tucanae (η Tuc, η Tucanae) is a star in the constellation Tucana.

Eta Tucanae is a white A-type main sequence dwarf with an apparent magnitude of +5.00. It is approximately 159 light years from Earth. This is a Vega-like star that has an infrared excess. It is about 10–40 million years old and is a member of the Tucana association.[1]


  1. ^ a b c Ehrenreich, D.; et al. (November 2010), "Deep infrared imaging of close companions to austral A- and F-type stars", Astronomy and Astrophysics, 523: A73, arXiv:1007.0002Freely accessible, Bibcode:2010A&A...523A..73E, doi:10.1051/0004-6361/201014763