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Catalog / GJ 71 / tau Ceti

tau Ceti

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tau Ceti

GJ 71 · LHS 146 · recons:gj-71 · Gaia DR3 2452378776434477184
Distance
3.650 pc · 11.90 ly
Spectral type
G8.5 V (RECONS)
Teff
5438 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes
V 3.49 · G 3.300 · BP−RP 1.051
Parallax
273.970 mas ± 0.170 (RECONS)
Gaia source_id
2452378776434477184
RECONS name
GJ 71
RECONSGaia DR3

Identity & provenance

Stable ID
gaia-dr3:2452378776434477184
Primary name
tau Ceti · RECONS common name
Common name
tau Ceti
RECONS name
GJ 71
RECONS system
GJ 71 (rank #19)
Component
—
LHS
146
Gaia source_id
2452378776434477184
Gaia designation
Gaia DR3 2452378776434477184
Source catalogs
RECONS+Gaia DR3
Cross-match
matched (0.26″, 1 candidates)
Match note
—

Position

RA
26.00906 ° · Gaia DR3
Dec
-15.93368 ° · Gaia DR3
Reference epoch
J2016
Galactic l, b
173.07231 °, -73.44249 °
XYZ (equatorial)
3.154, 1.539, -1.002 pc
Proper motion
-1721.73, 854.96 mas/yr · Gaia DR3
Radial velocity
unknown

Distance

Distance
3.650 pc · 11.90 ly · inverse parallax
Parallax (adopted)
273.9700 mas ± 0.1700 · RECONS
Parallax (RECONS)
273.97 mas
Parallax (Gaia DR3)
273.8097 mas
RECONS vs Gaia
0.06 %

Photometry & astrophysics

Spectral type
G8.5 V · RECONS
V
3.49
M_V (RECONS)
5.68
G / BP / RP
3.300 / 3.800 / 2.748
BP − RP
1.051
Teff (GSP-Phot)
unknown
log g / [M/H]
unknown / unknown
Mass
0.920 M☉
RUWE
2.63
Non-single star
0
Variability flag
NOT_AVAILABLE
Planets
0

Render parameters (star_params)

Teff
5438 K · spectral type (Pecaut & Mamajek 2013)
Absolute mag
5.489 (G)
Bolometric corr.
0.029
Luminosity
0.4885 L☉
Radius
0.7876 R☉ · Gaia G + parallax + BC_G (Andrae 2018)
Disk radius
0.6055
Limb darkening u1, u2
0.4807, 0.2312
Granulation amp / freq
0.0609 / 14.311
Variability
none
Seed
1658449511