UPSA Object Registry
Registry · deep sky

Kepler-303

HighPM* SIMBAD PM* M0V 57 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
18h 52m 32.51s
Declination
+43° 39′ 25.3″
Galactic l, b
73.344, 18.16
Parallax
4.7498 mas
Redshift z
-0.00014927
Radial velocity
-44.752 km/s
Proper motion
2.46, -76.73 mas/yr

Also known as

1 identifiers

Kepler-303

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 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.636 M_sun NASA Exoplanet Archive TICv8 2019
0.52 M_sun ± 0.02 NASA Exoplanet Archive Morton et al. 2016 2016
0.52 M_sun ± 0.06 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0.505 M_sun ± 0.027 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.52 M_sun ± 0.06 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.575 M_sun ± 0.016 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.52 M_sun ± 0.06 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.642 M_sun ± 0.07 NASA Exoplanet Archive Mann et al. 2013 2013
0.52 M_sun ± 0.06 NASA Exoplanet Archive Muirhead et al. 2012 2012

Radius 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.622034 R_sun NASA Exoplanet Archive TICv8 2019
0.595 R_sun ± 0.016 NASA Exoplanet Archive Berger et al. 2018 2018
0.51 R_sun ± 0.019 NASA Exoplanet Archive Morton et al. 2016 2016
0.51 R_sun ± 0.06 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0.49 R_sun ± 0.03 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.51 R_sun ± 0.06 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.547 R_sun ± 0.012 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.51 R_sun ± 0.06 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.485 R_sun ± 0.025 NASA Exoplanet Archive Rowe et al. 2014 2014
0.603 R_sun ± 0.034 NASA Exoplanet Archive Mann et al. 2013 2013
0.51 R_sun ± 0.06 NASA Exoplanet Archive Muirhead et al. 2012 2012

Effective temperature 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
4,066.55 K ± 99.05 NASA Exoplanet Archive TICv8 2019
4,045 K ± 81 NASA Exoplanet Archive Berger et al. 2018 2018
4,070 K ± 46.67 NASA Exoplanet Archive Morton et al. 2016 2016
3,944 K ± 80 NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
4,042 K ± 72 NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
3,944 K ± 80 NASA Exoplanet Archive Q1-Q12 KOI Table 2014
4,212 K ± 73 NASA Exoplanet Archive Q1-Q8 KOI Table 2014
3,944 K ± 80 NASA Exoplanet Archive Q1-Q16 KOI Table 2014
3,944 K ± 150 NASA Exoplanet Archive Rowe et al. 2014 2014
4,045 K ± 58 NASA Exoplanet Archive Mann et al. 2013 2013
3,944 K ± 80 NASA Exoplanet Archive Muirhead et al. 2012 2012

Related objects

ObjectTypeRelation
Kepler-303 b Exoplanethost
Kepler-303 c Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-303 c Exoplanet 1.19″ 14.92
Kepler-303 b Exoplanet 1.19″ 14.92
2MASS J18523737+4338080 Star 93.55″ —
TYC 3131-2137-1 Star 104.1″ 11.69
UCAC4 669-068368 Star 104.5″ 13.71
UCAC4 669-068340 Star 107.2″ 13.09
UCAC4 669-068338 HorBranch* 172.6″ 12.99
2MASS J18525256+4339208 Star 217.6″ —
UCAC4 669-068326 Star 222″ 14.13
UCAC4 669-068392 RGB* 223″ 13.84
HD 175226 Star 257.8″ 7.42

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-303-7822690 · Registry entry updated 2026-08-14.