Gliese 682

Gliese 682, also known as GJ 682, is a nearby star. It is listed as the 53rd-nearest known star system to the Sun,^[9] being 16.3 light years distant. Even though it is close by, as a red dwarf, it is dim with a magnitude of 10.95 and thus requires a telescope to be seen. It is located in the constellation of Scorpius, near the bright star Theta Scorpii.^[5] The star is in a crowded region of sky near the Galactic Center, and so appears to be near a number of deep-sky objects from the Solar System's perspective. The star is only 0.5 degrees from the much more distant globular cluster NGC 6388.

Gliese 682

Gliese 682 Location of Gliese 682 in the constellation Scorpius
Observation data Epoch J2000      Equinox
Constellation	Scorpius[1]
Right ascension	17h 37m 03.6655s[2]
Declination	−44° 19′ 09.166″[2]
Apparent magnitude (V)	10.94[3]
Characteristics
Spectral type	M3.5V[4]
Apparent magnitude (B)	~12.61[5]
Apparent magnitude (V)	~10.96[5]
Apparent magnitude (J)	6.544 ±0.023[5]
Apparent magnitude (H)	5.917 ±0.038[5]
Apparent magnitude (K)	5.606 ±0.020[5]
Astrometry
Radial velocity (Rv)	−34.90±0.30[2] km/s
Proper motion (μ)	RA: −705.945±0.035 mas/yr[2] Dec.: −938.080±0.021 mas/yr[2]
Parallax (π)	199.6944±0.0312 mas[2]
Distance	16.333 ± 0.003 ly (5.0077 ± 0.0008 pc)
Absolute magnitude (MV)	12.4[6]
Details
Mass	0.27[4] M☉
Radius	0.30[3] R☉
Luminosity	0.008118[4] L☉
Surface gravity (log g)	4.95[7] cgs
Temperature	3,237[3] K
Metallicity [Fe/H]	0.05±0.09[7] dex
Rotational velocity (v sin i)	3.42[8] km/s
Age	6.4±4.3[7] Gyr
Other designations
CD−44°11909, GJ 682, HIP 86214, LFT 1358, LHS 451, PLX 3992
Database references
SIMBAD	star
	planet b
	planet c
Exoplanet Archive	data
ARICNS	data

Search for planets

Two candidate planets were detected orbiting Gliese 682 in 2014, one of which would be in the habitable zone.^[10][11] However, a 2020 study did not find these planets and concluded that the radial velocity signals were probably caused by stellar activity.^[12]