![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Ngc1999.jpg/640px-Ngc1999.jpg&w=640&q=50)
V380 Orionis
Star in the constellation Orion / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about V380 Orionis?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
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.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
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 |
Close