Nearest systems / #49

omicron 2 Eridani

RECONS rank #49 · GJ 166 · 4.984 pc · 16.25 ly · 3 components

omicron 2 Eridani portrait

omicron 2 Eridani

GJ 166 A · GJ 166 · LHS 23 · recons:gj-166:a · Gaia DR3 3195919528989223040

Distance: 5.010 pc · 16.34 ly
Spectral type: K0.5 V (RECONS)
T_eff: 5220 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes: V 4.43 · G 4.180 · BP−RP 1.041
Parallax: 199.608 mas ± 0.121 (Gaia DR3)
Gaia source_id: 3195919528989223040
RECONS name: GJ 166 A

RECONSGaia DR3

GJ 166 B portrait

GJ 166 B

GJ 166 · LHS 24 · recons:gj-166:b · Gaia DR3 3195919254111315712

Distance: 5.008 pc · 16.33 ly
Spectral type: DA4 (RECONS)
T_eff: 12600 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes: V 9.52 · G 9.542 · BP−RP -0.191
Parallax: 199.691 mas ± 0.051 (Gaia DR3)
Gaia source_id: 3195919254111315712
RECONS name: GJ 166 B

RECONSGaia DR3

GJ 166 C portrait

GJ 166 C

GJ 166 · LHS 25 · recons:gj-166:c · Gaia DR3 3195919254111314816

Distance: 5.014 pc · 16.35 ly
Spectral type: M4.0 V (RECONS)
T_eff: 3200 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes: V 11.24 · G 9.775 · BP−RP 2.990
Parallax: 199.452 mas ± 0.069 (Gaia DR3)
Gaia source_id: 3195919254111314816
RECONS name: GJ 166 C

RECONSGaia DR3

RECONS components

Component	CNS name	LHS	RA (RECONS)	Dec (RECONS)	π (mas)	π ref.	SpT	V	M_V	Mass (M☉)	Gaia match
A	GJ 166	23	04 15 16.3	-07 39 10	200.65 ± 0.23	YH	K0.5 V	4.43	5.94	0.890	matched
B	GJ 166	24	04 15 22.0	-07 39 35	200.65 ± 0.23	—	DA4	9.52	11.03	0.500	matched
C	GJ 166	25	04 15 22.0	-07 39 35	200.65 ± 0.23	—	M4.0 V	11.24	12.75	0.180	matched

Notes: separation 83" · orbit 7"