3 Scorpii
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Scorpius |
| Right ascension | 15h 54m 39.5297s[1] |
| Declination | −25° 14′ 37.4600″[2] |
| Apparent magnitude (V) | 5.84 |
| Characteristics | |
| Spectral type | B8.75 D[3] |
| B−V color index | +5.81/+5.87[4] |
| Variable type | Rotational[5] |
| Astrometry | |
| Radial velocity (Rv) | −8.70±4.3[6] km/s |
| Proper motion (μ) | RA: −13.214[7] mas/yr Dec.: −24.567[8] mas/yr |
| Parallax (π) | 6.93[9] mas |
| Distance | 147.27 pc |
| Absolute magnitude (MV) | −1.58 |
| Details | |
| Mass | 6.9±0.1 M☉ |
| Luminosity | 457.40 L☉ |
| Temperature | 20,350 K |
| Rotational velocity (v sin i) | 320 km/s |
| Age | 30.4±4.6 Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
3 Scorpii (Abbreviated as 3 Sco) is a single[10] star located in the southern zodiac constellation of Scorpius, two degrees from Pi Scorpii. It exhibits an apparent magnitude of about 5.84, making it faintly visible to the unaided eye during a clear sky and with unimpaired visual clarity. 3 Scorpii has an approximate parallax shift of 6.93 mas from the orbit of Earth, equating a distance of about 147.27 parsecs (3.26 light-years). It is of high likelihood that 3 Scorpii is a member of the Scorpius–Centaurus association.[11]
https://gea.esac.esa.int/archive/
References[edit]
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ "3 Sco". simbad.cds.unistra.fr. Retrieved 2022-12-03.
- ↑ Rizzuto, A. C.; M. J., Ireland; J. G., Robertson (1 October 2011). "Multidimensional Bayesian membership analysis of the Sco OB2 moving group". Monthly Notices of the Royal Astronomical Society. 416 (4): 3108–3117. Bibcode:2011MNRAS.416.3108R.
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