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Catalog / GJ 661 / GJ 661 B

GJ 661 B

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GJ 661 B

GJ 661 · LHS 434
Distance
6.397 pc · 20.86 ly
Spectral type
M V (RECONS)
Teff
3050 K (spectral type (Pecaut & Mamajek 2013))
Magnitudes
V 10.35 · G unknown · BP−RP unknown
Parallax
156.320 mas ± 1.280 (RECONS)
Gaia source_id
— (not in Gaia DR3 subset)
RECONS name
GJ 661 B
RECONS

Identity & provenance

Stable ID
recons:gj-661:b
Primary name
GJ 661 B · recons cns name
Common name
—
RECONS name
GJ 661 B
RECONS system
GJ 661 (rank #92)
Component
B
LHS
434
Gaia source_id
—
Gaia designation
—
Source catalogs
RECONS
Cross-match
recons_only
Match note
—

Position

RA
258.03499 ° · recons propagated
Dec
45.65876 ° · recons propagated
Reference epoch
J2016
Galactic l, b
71.32799 °, 35.96366 °
XYZ (equatorial)
-0.927, -4.374, 4.575 pc
Proper motion
326.75, -1591.81 mas/yr · RECONS
Radial velocity
unknown

Distance

Distance
6.397 pc · 20.86 ly · inverse parallax
Parallax (adopted)
156.3200 mas ± 1.2800 · RECONS
Parallax (RECONS)
156.32 mas
Parallax (Gaia DR3)
unknown
RECONS vs Gaia
—

Photometry & astrophysics

Spectral type
M V · RECONS
V
10.35
M_V (RECONS)
11.32
G / BP / RP
unknown / unknown / unknown
BP − RP
unknown
Teff (GSP-Phot)
unknown
log g / [M/H]
unknown / unknown
Mass
0.330 M☉
RUWE
unknown
Non-single star
—
Variability flag
—
Planets
0

Render parameters (star_params)

Teff
3050 K · spectral type (Pecaut & Mamajek 2013)
Absolute mag
11.320 (V)
Bolometric corr.
-4.630
Luminosity
0.166 L☉
Radius
1.459 R☉ · RECONS M_V + BC_V (Flower 1996 / Torres 2010)
Disk radius
0.6430
Limb darkening u1, u2
0.5957, 0.2043
Granulation amp / freq
0.0697 / 13.508
Variability
none
Seed
1375546716

Notes: orbit < 2"