HD 167818

HD 167818
	Location of HD 167818 (circled)
Observation data; Epoch J2000 Equinox ICRS
Constellation	Sagittarius
Right ascension	18h 18m 03.19136s
Declination	−27° 02′ 33.5149″
Apparent magnitude (V)	4.66
Characteristics
Spectral type	K3II
U−B color index	+1.80
B−V color index	+1.66
Astrometry
Radial velocity (Rv)	-16.90 km/s
Proper motion (μ)	RA: +5.28 mas/yr ; Dec.: -3.57 mas/yr
Parallax (π)	4.28±0.33 mas
Distance	760 ± 60 ly ; (230 ± 20 pc)
Absolute magnitude (MV)	-2.17
Details
Mass	6.3 M☉
Luminosity	1,810 L☉
Surface gravity (log g)	2.00 cgs
Temperature	4,030 K
Metallicity [Fe/H]	-0.20 dex
Rotational velocity (v sin i)	2.9 km/s
Other designations
	CD-27°12684, GC 24961, GSC 06852-05204, HIP 89678, HR 6842, HD 167818, SAO 186612
Database references
SIMBAD	data

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]

Right ascension18^h 18^m 03.19136^s^[1]

Declination−27° 02′ 33.5149″^[1]

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Observation data Epoch J2000 Equinox ICRS
Location of HD 167818 (circled)
Constellation	Sagittarius
Right ascension	18^h 18^m 03.19136^s^[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 (R_v)	-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 (M_V)	-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
CD-27°12684, GC 24961, GSC 06852-05204, HIP 89678, HR 6842, HD 167818, SAO 186612
Database references
SIMBAD	data

References