| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Orion |
| Right ascension | 05h 36m 25.43205s[1] |
| Declination | –06° 42′ 57.6847″[1] |
| Apparent magnitude (V) | 10.2–10.7[2] |
| Characteristics | |
| Spectral type | A1e[3] |
| Variable type | Orion variable[4] |
| Astrometry | |
| Radial velocity (Rv) | 15.40[5] km/s |
| Proper motion (μ) | RA: –0.667[1] mas/yr Dec.: –2.408[1] mas/yr |
| Parallax (π) | 2.6425 ± 0.1117 mas[1] |
| Distance | 1,230 ± 50 ly (380 ± 20 pc) |
| Orbit[6] | |
| Period (P) | 104 ± 5 days |
| Semi-amplitude (K1) (primary) | < 1.4 km/s |
| Semi-amplitude (K2) (secondary) | 18 ± 14 km/s |
| Details[6] | |
| Primary | |
| Mass | 2.87 M☉ |
| Radius | 3 R☉ |
| Luminosity | 100 L☉ |
| Temperature | 10,500 ± 500 K |
| Metallicity [Fe/H] | 0.5 dex |
| Rotation | 4.31276 days |
| Rotational velocity (v sin i) | 6.7 ± 1.1 km/s |
| Secondary | |
| Mass | 1.6 M☉ |
| Radius | 2 R☉ |
| Luminosity | 3.16 L☉ |
| Temperature | 5,500 ± 500 K |
| Rotational velocity (v sin i) | 18.7 ± 3.2 km/s |
| Age | 2 ± 1 million Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
V380 Ori is a young multiple star system located near the Orion Nebula in the constellation Orion, thought to be somewhere between 1 and 3 million years old. It lies at the centre of NGC 1999 and is the primary source lighting up this and other nebulae in the region.
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