UPSA Object Registry
Registry · deep sky

Kepler-51

Eruptive* SIMBAD Er* G4 172 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
19h 45m 55.14s
Declination
+49° 56′ 15.7″
Galactic l, b
83.113, 12.36
Parallax
1.2457 mas
Redshift z
-1.393e-05
Radial velocity
-4.1759 km/s
Proper motion
0.075, -7.451 mas/yr

Also known as

1 identifiers

Kepler-51

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 15 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.929 M_sun ± 0.016 NASA Exoplanet Archive Ofir et al. 2025 2025
0.96 M_sun ± 0.05 NASA Exoplanet Archive Masuda et al. 2024 2024
0.985 M_sun ± 0.012 NASA Exoplanet Archive Libby-Roberts et al. 2020 2020
0.929 M_sun ± 0.016 NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.1 M_sun ± 0.1 NASA Exoplanet Archive Hadden & Lithwick 2017 2017
1.05 M_sun ± 0.085 NASA Exoplanet Archive Morton et al. 2016 2016
1.03 M_sun NASA Exoplanet Archive TICv8 2016
1.053 M_sun ± 0.129 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
1.05 M_sun NASA Exoplanet Archive Hadden et al. 2014 2014
1.04 M_sun ± 0.12 NASA Exoplanet Archive Masuda 2014 2014
1.053 M_sun ± 0.172 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
1.053 M_sun ± 0.172 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
Show the remaining 3
ValueUnitUncertainty Band / methodSourceReferenceYear
1.053 M_sun ± 0.172 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
1.04 M_sun ± 0.12 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
1 M_sun NASA Exoplanet Archive Steffen et al. 2013 2013

Radius 16 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.845 R_sun ± 0.013 NASA Exoplanet Archive Ofir et al. 2025 2025
0.87 R_sun ± 0.04 NASA Exoplanet Archive Masuda et al. 2024 2024
0.881 R_sun ± 0.011 NASA Exoplanet Archive Libby-Roberts et al. 2020 2020
0.82 R_sun ± 0.027 NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.834 R_sun ± 0.04 NASA Exoplanet Archive Berger et al. 2018 2018
1.05 R_sun ± 0.188 NASA Exoplanet Archive Morton et al. 2016 2016
0.850059 R_sun NASA Exoplanet Archive TICv8 2016
0.972 R_sun ± 0.3 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.850059 R_sun NASA Exoplanet Archive ExoFOP 2014
0.972 R_sun NASA Exoplanet Archive Hadden et al. 2014 2014
0.94 R_sun ± 0.5 NASA Exoplanet Archive Masuda 2014 2014
0.972 R_sun ± 0.392 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
Show the remaining 4
ValueUnitUncertainty Band / methodSourceReferenceYear
0.972 R_sun ± 0.392 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.972 R_sun ± 0.392 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.94 R_sun ± 0.5 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.91 R_sun NASA Exoplanet Archive Steffen et al. 2013 2013

Effective temperature 14 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,674 K NASA Exoplanet Archive Masuda et al. 2024 2024
5,670 K ± 60 NASA Exoplanet Archive Libby-Roberts et al. 2020 2020
5,674 K ± 60 NASA Exoplanet Archive Fulton & Petigura 2018 2018
5,674 K ± 113 NASA Exoplanet Archive Berger et al. 2018 2018
5,921 K ± 162.2 NASA Exoplanet Archive Morton et al. 2016 2016
5,770 K ± 123 NASA Exoplanet Archive TICv8 2016
6,046 K ± 162 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
5,770 K ± 123 NASA Exoplanet Archive ExoFOP 2014
6,018 K ± 107 NASA Exoplanet Archive Masuda 2014 2014
6,046 K ± 149 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
6,046 K ± 149 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
6,046 K ± 149 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
Show the remaining 2
ValueUnitUncertainty Band / methodSourceReferenceYear
6,018 K ± 107 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
5,803 K NASA Exoplanet Archive Steffen et al. 2013 2013

Related objects

ObjectTypeRelation
Kepler-51 b Exoplanethost
Kepler-51 c Exoplanethost
Kepler-51 d Exoplanethost
Kepler-51 e Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-51 e Exoplanet 0.1156″ 14.88
Kepler-51 b Exoplanet 0.1156″ 14.88
Kepler-51 d Exoplanet 0.1156″ 14.88
Kepler-51 c Exoplanet 0.1156″ 14.88
TYC 3565-883-1 delSctV* 118.9″ 11.56
2MASS J19460913+4955123 RGB* 149.3″ —
2MASS J19454178+4954095 Star 180.5″ —
KOI-5931 Star 188.5″ —
TYC 3565-1293-1 RGB* 191″ 12.02
TYC 3565-1235-1 HighPM* 203.5″ 9.84
UCAC4 700-070766 RGB* 211.3″ 13.8

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/kepler-51-7822231 · Registry entry updated 2026-08-14.