Gliese 320

Gliese 320
Observation data Epoch 2000 Equinox 2000
Constellation	Vela
Right ascension	08^h 43^m 18.0^s
Declination	−38° 52′ 56.5″
Apparent magnitude (V)	6.58^[1]
Characteristics
Spectral type	K2 V
U−B color index	0.65
B−V color index	0.92
V−R color index	0.51
R−I color index	0.42
Astrometry

Radial velocity (R_v)	+14.3 km/s
Proper motion (μ)	RA: -301.02 mas/yr Dec.: 340.76 mas/yr
Parallax (π)	89.80 ± 0.56 mas
Distance	36.3 ± 0.2 ly (11.14 ± 0.07 pc)
Absolute magnitude (M_V)	6.45

Details

Mass	0.84^[1]M_☉
Radius	0.74^[1]R_☉
Luminosity	0.31^[1]L_☉
Temperature	5040 ± 20^[1]K
Age	215 ± 94^[1]Myr

Other designations
CD-38 4789, GJ 320, HD 74576, HIP 42808, NStars 0843-3852, YPC 2089

Gliese 320 is a solitary, orange, main sequence (K2 V) star located thirty-six light-years away, in the constellation Vela.

References

^ ^a ^b ^c ^d ^e ^f Plavchan, Peter et al. (June 2009), "New Debris Disks Around Young, Low-Mass Stars Discovered with the Spitzer Space Telescope", The Astrophysical Journal 698 (2): 1068–1094, arXiv:0904.0819, Bibcode:2009ApJ...698.1068P, doi:10.1088/0004-637X/698/2/1068

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← Star systems within 35–40 light-years →

Star systems (including brown dwarf systems) within 35–40 light-years from Earth.

Giant star

K III	Arcturus (36.7 ± 0.3 ly; 1 star)

A
(White)

IV	Delta Capricorni «Scheddi» (38.6 ± 0.4 ly; 4 stars)

V	Denebola (36.2 ± 0.4 ly; 1 star)

F V (Yellow-white)	Beta Virginis «Zavijava» (35.6 ± 0.3 ly; 2 stars) Gamma Serpentis (36.3 ± 0.3 ly; 1 star) Theta Persei (36.6 ± 0.3 ly; 2 stars) Zeta Doradus (38.0 ± 0.2 ly; 2 stars) Iota Pegasi (38.3 ± 0.3 ly; 2 stars) Gamma Virginis «Porrima» (38.7 ± 0.4 ly; 2 stars) Zeta Trianguli Australis (39.5 ± 0.3 ly; 2 stars)

G
(Yellow)

IV	Eta Boötis «Muphrid» (37.0 ± 0.3 ly; 2 stars)

V	Delta Trianguli (35.4 ± 0.3 ly; 2 stars) 11 Leonis Minoris (36.5 ± 0.3 ly; 2 stars) Lambda Serpentis (38.3 ± 0.4 ly; 1 star) Zeta Reticuli (39.4 ± 0.3 ly; 2 stars) 85 Pegasi (39.5 ± 0.4 ly; 3 stars)

K V
(Orange)

Gliese 653 (35.1 ± 0.4 ly; 2 stars)
HR 9038 (35.2 ± 0.2 ly; 2 stars)
HR 637 (35.6 ± 0.2 ly; 2 stars, 1 planet: b)
HR 6806 (36.2 ± 0.2 ly; 1 star)
54 Piscium (36.2 ± 0.3 ly; 1 star, 1 brown dwarf, 1 planet: b)
Gliese 320 (36.3 ± 0.2 ly; 1 star)
Gliese 370 (36.4 ± 0.3 ly; 1 star, 1 planet: b)
Gliese 505 (36.6 ± 0.4 ly; 2 stars)
Gliese 208 (37.1 ± 0.6 ly; 1 star)
Gliese 902 (37.2 ± 0.3 ly; 1 star)
Gliese 169 (37.4 ± 0.5 ly; 1 star)
HR 5553 (37.6 ± 0.4 ly; 2 stars)
Gliese 773.6 (38.5 ± 5.8 ly; 1 star)
Gliese 542 (38.6 ± 0.4 ly; 1 star)
Gliese 414 (38.9 ± 0.5 ly; 2 stars)
Gliese 798 (39.5 ± 0.6 ly; 1 star)
HR 3384 (39.7 ± 0.3 ly; 1 star)
HR 1925 (39.9 ± 0.4 ly; 1 star)

M V (Red dwarf)	Gliese 488 (35.2 ± 0.4 ly; 1 star) Gliese 1148 (36.2 ± 1.1 ly; 1 star, 1 planet: b) Gliese 4/2 (36.7 ± 0.6 ly; 3 stars: A B Gliese 2)

Brown
dwarf

WISE 0458+6434 (~35.9 ly; 2 brown dwarfs)
WISE 2313-8037 (~35.9 ly; 1 brown dwarf)
WISE 0325+0831 (~36.5 ly; 1 brown dwarf)
WISE 0038+2758 (~36.9 ly; 1 brown dwarf)
WISE 0627-1114 (~37.2 ly; 1 brown dwarf)
WISE 1959-3338 (~37.2 ly; 1 brown dwarf)
WISE 0623-0456 (~37.5 ly; 1 brown dwarf)
WISE 2325-4105 (~37.5 ly; 1 brown dwarf)
WISE 2340-0745 (~37.8 ly; 1 brown dwarf)
WISE 0759-4904 (~38.8 ly; 1 brown dwarf)
WISE 0751-7634 (~39.1 ly; 1 brown dwarf)
WISE 1653+4444 (~39.5 ly; 1 brown dwarf)

Free-floating
planet

Y	WISE 1828+2650 (36.5+4.2 −3.3 ly; 1 planet)

In left column are stellar classes of primary members of star systems. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems without known trigonometric parallax.

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Last modified on 14 April 2013, at 19:10