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Catalog / GJ 166 / omicron 2 Eridani

omicron 2 Eridani

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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)
Teff
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

Identity & provenance

Stable ID
gaia-dr3:3195919528989223040
Primary name
omicron 2 Eridani · RECONS common name
Common name
omicron 2 Eridani
RECONS name
GJ 166 A
RECONS system
GJ 166 (rank #49)
Component
A
LHS
23
Gaia source_id
3195919528989223040
Gaia designation
Gaia DR3 3195919528989223040
Source catalogs
RECONS+Gaia DR3
Cross-match
matched (0.44″, 1 candidates)
Match note
—

Position

RA
63.80795 ° · Gaia DR3
Dec
-7.66808 ° · Gaia DR3
Reference epoch
J2016
Galactic l, b
200.76366 °, -38.06384 °
XYZ (equatorial)
2.191, 4.455, -0.668 pc
Proper motion
-2240.08, -3421.81 mas/yr · Gaia DR3
Radial velocity
-42.47 km/s

Distance

Distance
5.010 pc · 16.34 ly · inverse parallax
Parallax (adopted)
199.6080 mas ± 0.1208 · Gaia DR3
Parallax (RECONS)
200.65 mas
Parallax (Gaia DR3)
199.6080 mas
RECONS vs Gaia
0.52 %

Photometry & astrophysics

Spectral type
K0.5 V · RECONS
V
4.43
M_V (RECONS)
5.94
G / BP / RP
4.180 / 4.611 / 3.570
BP − RP
1.041
Teff (GSP-Phot)
unknown
log g / [M/H]
unknown / unknown
Mass
0.890 M☉
RUWE
1.94
Non-single star
0
Variability flag
NOT_AVAILABLE
Planets
0

Render parameters (star_params)

Teff
5220 K · spectral type (Pecaut & Mamajek 2013)
Absolute mag
5.681 (G)
Bolometric corr.
-0.003
Luminosity
0.4215 L☉
Radius
0.7938 R☉ · Gaia G + parallax + BC_G (Andrae 2018)
Disk radius
0.6060
Limb darkening u1, u2
0.4880, 0.2320
Granulation amp / freq
0.0615 / 14.301
Variability
none
Seed
788267976