Loading AI tools
Star in the constellation Sagittarius From Wikipedia, the free encyclopedia
HD 167818 is a class K3II[3] (orange bright giant) star in the constellation Sagittarius. Its apparent magnitude is 4.66[2] and it is approximately 760 light years away based on parallax.[1]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Sagittarius |
Right ascension | 18h 18m 03.19136s[1] |
Declination | −27° 02′ 33.5149″[1] |
Apparent magnitude (V) | 4.66[2] |
Characteristics | |
Spectral type | K3II[3] |
U−B color index | +1.80[4] |
B−V color index | +1.66[4] |
Astrometry | |
Radial velocity (Rv) | -16.90[5] km/s |
Proper motion (μ) | RA: +5.28[1] mas/yr Dec.: -3.57[1] mas/yr |
Parallax (π) | 4.28 ± 0.33 mas[1] |
Distance | 760 ± 60 ly (230 ± 20 pc) |
Absolute magnitude (MV) | -2.17[2] |
Details | |
Mass | 6.3[6] M☉ |
Luminosity | 1,810[7] L☉ |
Surface gravity (log g) | 2.00[8] cgs |
Temperature | 4,030[7] K |
Metallicity [Fe/H] | -0.20[2] dex |
Rotational velocity (v sin i) | 2.9[9] km/s |
Other designations | |
Database references | |
SIMBAD | data |
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.