UPSA Object Registry
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Barnard's star

BYDraV* SIMBAD BY* M4V 919 papers
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
17h 57m 48.50s
Declination
+04° 41′ 36.1″
Galactic l, b
31.009, 14.06
Magnitude V
9.511
Parallax
546.98 mas
Redshift z
-0.00036722
Radial velocity
-110.11 km/s
Proper motion
-801.6, 1.036e+04 mas/yr

Also known as

53 identifiers

1E 1755.3+04382MASS J17574849+04414058pc 549.01AC2000 146626ASCC 1153178BD+04 3561aCCDM J17578+0441ACi 20 1069CNS5 4449CSV 7737G 140-24Gaia DR2 4472832130942575872Gaia DR3 4472832130942575872GAT 12GCRV 10392GEN# +0.00403561GJ 699GSC 00425-00184GSC 00425-02502HIC 87937HIP 87937IRAS 17553+0438JP11 18Karmn J17578+046LFT 1385LHS 57LSPM J1757+0441LTT 15309MCC 799NLTT 45718NSV 9910PLX 4098PLX 4098.00PM J17578+0441NStKM 2-1355TIC 325554331TYC 425-2502-1UBV 15269UCAC2 33428712UCAC4 474-068224USNO 347USNO 876uvby98 000403561V* V2500 OphVVO 6WEB 14849WISEA J175747.94+044323.8Zkh 269Barnard's starBarnard StarCSI+04-17554[RHG95] 2849USNO-B1.0 0946-00315199

Recorded parameters

3 quantities with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 0.162 M_sun ± 0.007 NASA Exoplanet Archive González Hernández et al. 2024
Radius 0.185 R_sun ± 0.006 NASA Exoplanet Archive González Hernández et al. 2024
Effective temperature 3,195 K ± 28 NASA Exoplanet Archive González Hernández et al. 2024

Related objects

ObjectTypeRelation
Barnard b Exoplanethost
Barnard c Exoplanethost
Barnard d Exoplanethost
Barnard e Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Barnard's Star b Planet 0″ —
TYC 425-262-1 SB* 67.87″ 11.5
Barnard b Exoplanet 161.1″ 9.54
Barnard d Exoplanet 161.1″ 9.54
Barnard c Exoplanet 161.1″ 9.54
Barnard e Exoplanet 161.1″ 9.54
Z 56-3 Galaxy 272.5″ —
V* V391 Oph EclBin 334.1″ —
Gaia DR2 4472819422127132928 Star 370.9″ —
BD+04 3559 Star 486.3″ 10.45
ZTF J175755.00+045005.8 RRLyrae 518.8″ —

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/name-barnard-s-star · Registry entry updated 2026-08-14.