UPSA Object Registry
Registry · deep sky

GJ 876

Star M2.5V
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
22h 53m 17.75s
Declination
−14° 15′ 59.7″
Galactic l, b
52.003, -59.64
Distance
4.6752 pc

Published measurements

3 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Mass 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.369607 M_sun ± 0.009251 NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.37 M_sun NASA Exoplanet Archive Nelson et al. 2016 2016
0.334 M_sun ± 0.033 NASA Exoplanet Archive Correia et al. 2010 2010
0.32 M_sun ± 0.03 NASA Exoplanet Archive Rivera et al. 2010 2010
0.336778 M_sun ± 0.02024 NASA Exoplanet Archive TICv8 1998

Radius 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.367 R_sun ± 0.00802 NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.3 R_sun NASA Exoplanet Archive Rivera et al. 2010 2010
0.352224 R_sun ± 0.01053 NASA Exoplanet Archive TICv8 1998

Effective temperature 2 values

ValueUnitUncertainty Band / methodSourceReferenceYear
3,293.74 K ± 48.39 NASA Exoplanet Archive Rosenthal et al. 2021 2021
3,271 K ± 157 NASA Exoplanet Archive TICv8 1998

Related objects

ObjectTypeRelation
GJ 876 b Exoplanethost
GJ 876 c Exoplanethost
GJ 876 d Exoplanethost
GJ 876 e Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
GJ 876 d Exoplanet 0″ 10.16
GJ 876 b Exoplanet 0″ 10.16
GJ 876 e Exoplanet 0″ 10.16
GJ 876 c Exoplanet 0″ 10.16
BD-15 6290e Planet 18.15″ —
BD-15 6290c Planet 18.15″ —
BD-15 6290d Planet 18.15″ —
BD-15 6290 ** 18.15″ 10.19
BD-15 6290b Planet 18.15″ —
TYC 5819-1046-1 HighPM* 366.1″ 11.02
UCAC2 26801731 Star 478.1″ 11.44

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/gj-876 · Registry entry updated 2026-08-14.