Delta Tucanae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Tucana |
| Right ascension | 22h 27m 20.0s |
| Declination | −64° 57′ 59″ |
| Apparent magnitude (V) | +4.51 |
| Distance | 250 ± 10[1] ly (77 ± 3 [1] pc) |
| Spectral type | B9.5V |
| Other designations | |
Delta Tucanae (δ Tuc, δ Tucanae) is a binary star located in the southwestern corner of the constellation Tucana.[2] It is approximately 250 light years from Earth.[1]
The primary component, Delta Tucanae A, is a blue-white B-type main sequence dwarf with an apparent magnitude of +4.49.[3] The companion star is a G-type main sequence star of magnitude +9.3,[4] 7 arcseconds from the primary.
References
- 1 2 3 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752
, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357 - ↑ Streicher, Magda (2005). "Deepsky Delights". Monthly Notes of the Astronomical Society of Southern Africa. 64 (9-10): 172–74. Bibcode:2005MNSSA..64..172S.
- ↑ "Delta Tucanae - Star in Double System". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 25 October 2013.
- ↑ "CPD-65 4044B - Star in Double System". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 25 October 2013.
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