Nearest systems / #1

Proxima Centauri

RECONS rank #1 · GJ 551 · 1.301 pc · 4.24 ly · 3 components

Proxima Centauri portrait

Proxima Centauri

GJ 551 · LHS 49 · recons:gj-551 · Gaia DR3 5853498713190525696

Distance: 1.302 pc · 4.25 ly
Spectral type: M5.0 V (RECONS)
T_eff: 2829 K (Gaia GSP-Phot)
Magnitudes: V 11.05 · G 8.985 · BP−RP 3.805
Parallax: 768.067 mas ± 0.050 (Gaia DR3)
Gaia source_id: 5853498713190525696
RECONS name: GJ 551

RECONSGaia DR3

alpha Centauri A portrait

alpha Centauri A

GJ 559 A · GJ 551 · LHS 50

Distance: 1.338 pc · 4.36 ly
Spectral type: G2.0 V (RECONS)
T_eff: 5770 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes: V 0.01 · G unknown · BP−RP unknown
Parallax: 747.230 mas ± 1.170 (RECONS)
Gaia source_id: — (not in Gaia DR3 subset)
RECONS name: GJ 559 A

RECONS

alpha Centauri B portrait

alpha Centauri B

GJ 559 B · GJ 551 · LHS 51

Distance: 1.338 pc · 4.36 ly
Spectral type: K0 V (RECONS)
T_eff: 5280 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes: V 1.34 · G unknown · BP−RP unknown
Parallax: 747.230 mas ± 1.170 (RECONS)
Gaia source_id: — (not in Gaia DR3 subset)
RECONS name: GJ 559 B

RECONS

RECONS components

Component	CNS name	LHS	RA (RECONS)	Dec (RECONS)	π (mas)	π ref.	SpT	V	M_V	Mass (M☉)	Gaia match
A	GJ 551	49	14 29 43.0	-62 40 46	768.85 ± 0.29	YHB*	M5.0 V	11.05	15.48	0.110	matched
A	GJ 559	50	14 39 36.5	-60 50 02	747.23 ± 1.17	YS	G2.0 V	0.01	4.38	1.140	recons_only
B	GJ 559	51	14 39 35.1	-60 50 14	747.23 ± 1.17	—	K0 V	1.34	5.71	0.920	recons_only

Notes: separation 7849" · orbit 18"