![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Tucana_IAU.svg/640px-Tucana_IAU.svg.png&w=640&q=50)
Beta Tucanae
Star in the constellation Tucana / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Beta Tucanae?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Beta Tucanae, Latinized from β Tucanae, is a group of six stars which appear to be at least loosely bound into a system in the constellation Tucana. Three of the stars are luminous and distinct enough to have been given their own Bayer designations, β1 Tucanae through β3 Tucanae.[8] The system is approximately 140 light years from Earth.
Quick Facts Apparent magnitude (V), Characteristics ...
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Tucana |
β1 Tuc (β Tuc AB) | |
Right ascension | 00h 31m 32.6709s[1] |
Declination | −62° 57′ 29.587″[1] |
Apparent magnitude (V) | +4.37[2] |
β2 Tuc (β Tuc CD) | |
Right ascension | 00h 31m 33.4223s[1] |
Declination | −62° 57′ 56.134″[1] |
Apparent magnitude (V) | +4.54[2] |
Characteristics | |
β1 Tuc | |
Spectral type | B9V[3] |
β2 Tuc | |
Spectral type | A2V + A7V[4] |
Astrometry | |
β1 Tuc | |
Parallax (π) | 23.2596 ± 0.2471 mas[5] |
Distance | 140 ± 1 ly (43.0 ± 0.5 pc) |
β2 Tuc | |
Parallax (π) | 19.5923 ± 0.9674 mas[6] |
Distance | 166 ± 8 ly (51 ± 3 pc) |
Details[7] | |
β Tuc A | |
Mass | 3.84 M☉ |
β Tuc B | |
Mass | 0.40 M☉ |
β Tuc C | |
Mass | 2.76 M☉ |
β Tuc D | |
Mass | 1.94 M☉ |
Other designations | |
β1: HD 2884, HIP 2484, SAO 248201 | |
β2: HD 2885, HIP 2487, SAO 248202 | |
Database references | |
SIMBAD | data |
β1 | |
β2 |
Close