4 Scorpii
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 15h 55m 30.079s[1] |
| Declination | −26° 15′ 57.58″[1] |
| Apparent magnitude (V) | +5.63 |
| Characteristics | |
| Spectral type | A3V |
| Astrometry | |
| Proper motion (μ) | RA: -35.80 ± 0.73[1] mas/yr Dec.: -30.09 ± 0.82[1] mas/yr |
| Parallax (π) | 7.99 ± 0.77[1] mas |
| Distance | 410 ± 40 ly (130 ± 10 pc) |
| Absolute magnitude (MV) | +0.0197 |
| Details | |
| Mass | 2.2 M☉ |
| Radius | 2 R☉ |
| Luminosity (visual, LV) | 20 L☉ |
| Temperature | 8,700 K |
| Other designations | |
4 Scorpii is a star in the constellation of Scorpius.
See also
References
- 1 2 3 4 5 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
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