Delta Indi
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Indus |
Right ascension | 21h 57m 55.074s[1] |
Declination | –54° 59′ 33.27″[1] |
Apparent magnitude (V) | +4.40 |
Characteristics | |
Spectral type | A8IV + G0/7IV[2] |
Astrometry | |
Proper motion (μ) | RA: 41.94 ± 0.40[1] mas/yr Dec.: –3.93 ± 0.28[1] mas/yr |
Parallax (π) | 22.71 ± 0.69[2] mas |
Distance | 144 ± 4 ly (44 ± 1 pc) |
Details | |
Other designations | |
Delta Indi (δ Ind) is a binary star in the constellation Indus. Its apparent magnitude is 4.40.
References
- 1 2 3 4 van Leeuwen, F. (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. Vizier catalog entry
- 1 2 Docobo, J. A.; Andrade, M. (2013). "Dynamical and physical properties of 22 binaries discovered by W. S. Finsen". Monthly Notices of the Royal Astronomical Society. 428 (1): 321–339. Bibcode:2013MNRAS.428..321D. doi:10.1093/mnras/sts045.
- ↑ "* del Ind -- Double or multiple star". SIMBAD Astronomical Database. Centre de données astronomiques de Strasbourg. Retrieved 2014-12-27.
This article is issued from Wikipedia - version of the 12/29/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.