HD 111968, also known by the Bayer designation n Centauri (n Cen), is a star in the constellation Centaurus.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 12h 53m 26.20svan Leeuwen, Floor (13 August 2007). "Validation of the new Hipparcos reduction". Astronomy & Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. eISSN 1432-0746. ISSN 0004-6361. |
| Declination | −40° 10′ 43.9″[1] |
| Apparent magnitude (V) | +4.25 |
| Characteristics | |
| Spectral type | A7III |
| U−B color index | +0.12 |
| B−V color index | +0.22[2] |
| Variable type | none |
| Astrometry | |
| Proper motion (μ) | RA: +70.84±0.14[1] mas/yr Dec.: −22.54±0.10[1] mas/yr |
| Parallax (π) | 21.95 ± 0.19 mas[1] |
| Distance | 149 ± 1 ly (45.6 ± 0.4 pc) |
| Absolute magnitude (MV) | +0.86[2] |
| Details | |
| Temperature | 7,648[2] K |
| Rotational velocity (v sin i) | 92.4±4.6[2] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
n Centauri is a white A-type giant with an apparent magnitude of +4.25. It is approximately 149 light years from Earth.
References
- ^ a b c d 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
- ^ a b c d Ammler-von Eiff, M.; Reiners, A. (June 2012), "New measurements of rotation and differential rotation in A-F stars: are there two populations of differentially rotating stars?", Astronomy & Astrophysics, 542: A116, arXiv:1204.2459, Bibcode:2012A&A...542A.116A, doi:10.1051/0004-6361/201118724.
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