8 Ursae Minoris
Star in Ursa Minor / From Wikipedia, the free encyclopedia
8 Ursae Minoris is a 7th-magnitude red clump star in Ursa Minor. The star is unusually rich in lithium, with an abundance of A = 2.0±0.2 dex.[8][9][3]
Quick Facts Observation data Epoch J2000 Equinox, Constellation ...
Observation data Epoch J2000 Equinox | |
---|---|
Constellation | Ursa Minor |
Right ascension | 14h 56m 48.35230s[1] |
Declination | +74° 54′ 03.3212″[1] |
Apparent magnitude (V) | 6.835[2] |
Characteristics | |
Evolutionary stage | Red clump[3] |
Spectral type | G8III[4] |
Astrometry | |
Radial velocity (Rv) | −9.55[1] km/s |
Proper motion (μ) | RA: +13.139[1] mas/yr Dec.: +3.578[1] mas/yr |
Parallax (π) | 6.1278 ± 0.0142 mas[1] |
Distance | 532 ± 1 ly (163.2 ± 0.4 pc) |
Absolute magnitude (MV) | +0.82[5] |
Details | |
Mass | 1.51±0.06[3] M☉ |
Radius | 10.73±0.14[3] R☉ |
Luminosity | 52.9±5.9[3] L☉ |
Surface gravity (log g) | 2.53[1] cgs |
Temperature | 4,847±100[3] K |
Metallicity [Fe/H] | −0.03±0.02[6] dex |
Rotation | 100–200 d[3] |
Age | 377[1] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Close
In the 2019 NameExoWorlds competition, the star was assigned to contestants in South Korea. It was named Baekdu after Paektu Mountain, the tallest mountain in North Korea.[10][11]