Catalog / GJ 1 / GJ 1

GJ 1

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GJ 1

LHS 1 · recons:gj-1 · Gaia DR3 2306965202564744064

Distance: 4.346 pc · 14.17 ly
Spectral type: M1.5 V (RECONS)
T_eff: 3355 K (Gaia GSP-Phot)
Magnitudes: V 8.54 · G 7.682 · BP−RP 2.186
Parallax: 230.097 mas ± 0.036 (Gaia DR3)
Gaia source_id: 2306965202564744064
RECONS name: GJ 1

RECONSGaia DR3

Identity & provenance

Stable ID: gaia-dr3:2306965202564744064
Primary name: GJ 1 · recons cns name
Common name: —
RECONS name: GJ 1
RECONS system: GJ 1 (rank #32)
Component: —
LHS: 1
Gaia source_id: 2306965202564744064
Gaia designation: Gaia DR3 2306965202564744064
Source catalogs: RECONS+Gaia DR3
Cross-match: matched (0.56″, 1 candidates)
Match note: —

Position

RA: 1.38328 ° · Gaia DR3
Dec: -37.36774 ° · Gaia DR3
Reference epoch: J2016
Galactic l, b: 343.45221 °, -75.91414 °
XYZ (equatorial): 3.453, 0.083, -2.638 pc
Proper motion: 5633.44, -2334.72 mas/yr · Gaia DR3
Radial velocity: 25.13 km/s

Distance

Distance: 4.346 pc · 14.17 ly · inverse parallax
Parallax (adopted): 230.0970 mas ± 0.0362 · Gaia DR3
Parallax (RECONS): 230.32 mas
Parallax (Gaia DR3): 230.0970 mas
RECONS vs Gaia: 0.10 %

Photometry & astrophysics

Spectral type: M1.5 V · RECONS
V: 8.54
M_V (RECONS): 10.35
G / BP / RP: 7.682 / 8.802 / 6.616
BP − RP: 2.186
Teff (GSP-Phot): 3355 K
log g / [M/H]: 4.13 / -1.32
Mass: 0.480 M☉
RUWE: 1.40
Non-single star: 0
Variability flag: NOT_AVAILABLE
Planets: 0

Render parameters (star_params)

Teff: 3355 K · Gaia GSP-Phot
Absolute mag: 9.492 (G)
Bolometric corr.: -1.008
Luminosity: 0.03178 L☉
Radius: 0.5276 R☉ · Gaia G + parallax + BC_G (Andrae 2018)
Disk radius: 0.5811
Limb darkening u1, u2: 0.5710, 0.2290
Granulation amp / freq: 0.0683 / 14.833
Variability: none
Seed: 3290363043