N Scorpii
N Scorpii (N Sco) is a blue giant star in the constellation Scorpius. Its apparent magnitude is 4.23. It was initially given the Bayer designation Alpha Normae by Lacaille but later moved from Norma to Scorpius.
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 31m 22.93300s [1] |
| Declination | −34° 42′ 15.7146″ [1] |
| Apparent magnitude (V) | 4.23[1] |
| Characteristics | |
| Spectral type | B2III-IV |
| Astrometry | |
| Radial velocity (Rv) | 0.80 ± 1.5[1] km/s |
| Proper motion (μ) | RA: -12.05 ± 0.20[2] mas/yr Dec.: -18.16 ± 0.13[2] mas/yr |
| Parallax (π) | 5.88 ± 0.19[2] mas |
| Distance | 550 ± 20 ly (170 ± 5 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- SIMBAD, HR 6143 (accessed 17 February 2013)
- Van Leeuwen, Floor (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.
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