UPSA Object Registry
Registry · deep sky

HAT-P-3

EmLine* SIMBAD Em* K1V 106 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
13h 44m 22.59s
Declination
+48° 01′ 43.2″
Galactic l, b
100.17, 66.69
Magnitude V
11.86
Parallax
7.4159 mas
Redshift z
-7.739e-05
Radial velocity
-23.201 km/s
Proper motion
-19.62, -23.97 mas/yr

Also known as

1 identifiers

HAT-P-3

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 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.92 M_sun ± 0.03 NASA Exoplanet Archive Ment et al. 2018 2018
0.925 M_sun ± 0.046 NASA Exoplanet Archive Mancini et al. 2018 2018
0.928 M_sun ± 0.044 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.06 M_sun ± 0.28 NASA Exoplanet Archive Stassun et al. 2017 2017
0.9 M_sun ± 0.057 NASA Exoplanet Archive Southworth 2012 2012
0.917 M_sun ± 0.03 NASA Exoplanet Archive Chan et al. 2011 2011
0.928 M_sun ± 0.044 NASA Exoplanet Archive Torres et al. 2008 2008
0.936 M_sun ± 0.036 NASA Exoplanet Archive Torres et al. 2007 2007

Radius 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.85 R_sun ± 0.021 NASA Exoplanet Archive Bourrier et al. 2023 2023
0.8 R_sun ± 0.04 NASA Exoplanet Archive Ment et al. 2018 2018
0.85 R_sun ± 0.023 NASA Exoplanet Archive Mancini et al. 2018 2018
0.833 R_sun ± 0.034 NASA Exoplanet Archive Bonomo et al. 2017 2017
0.87 R_sun ± 0.06 NASA Exoplanet Archive Stassun et al. 2017 2017
0.87 R_sun ± 0.021 NASA Exoplanet Archive Southworth 2012 2012
0.799 R_sun ± 0.039 NASA Exoplanet Archive Chan et al. 2011 2011
0.834 R_sun ± 0.018 NASA Exoplanet Archive Gibson et al. 2010 2010
0.833 R_sun ± 0.034 NASA Exoplanet Archive Torres et al. 2008 2008
0.82 R_sun ± 0.05 NASA Exoplanet Archive ExoFOP 2007
0.824 R_sun ± 0.043 NASA Exoplanet Archive Torres et al. 2007 2007

Effective temperature 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,190 K ± 80 NASA Exoplanet Archive Bourrier et al. 2023 2023
5,084 K NASA Exoplanet Archive Ment et al. 2018 2018
5,190 K ± 80 NASA Exoplanet Archive Mancini et al. 2018 2018
5,185 K ± 80 NASA Exoplanet Archive Bonomo et al. 2017 2017
5,185 K ± 80 NASA Exoplanet Archive Stassun et al. 2017 2017
5,185 K ± 50 NASA Exoplanet Archive Southworth 2012 2012
5,185 K NASA Exoplanet Archive Nascimbeni et al. 2011 2011
5,185 K ± 80 NASA Exoplanet Archive Chan et al. 2011 2011
5,185 K ± 80 NASA Exoplanet Archive Torres et al. 2008 2008
5,224 K ± 118 NASA Exoplanet Archive ExoFOP 2007
5,185 K ± 46 NASA Exoplanet Archive Torres et al. 2007 2007

Related objects

ObjectTypeRelation
HAT-P-3 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-3 b Exoplanet 0.4803″ 11.86
SDSS J134413.73+480233.4 QSO 102″ —
SDSS J134436.86+480032.8 QSO 159.7″ —
2MASX J13441280+4759165 LINER 176.6″ —
SDSS J134439.35+480413.0 QSO 225.1″ —
SDSS J134419.96+480630.6 QSO 288.6″ —
SDSS J134453.35+480110.8 QSO 310.3″ —
6C 134149+481908 QSO 348.5″ —
2MASX J13441603+4754344 Seyfert1 434.4″ 19.08
SDSS J134442.56+480843.9 QSO 465.8″ —
SDSS J134454.31+480816.4 QSO 505.7″ —

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/hat-p-3-3891847 · Registry entry updated 2026-08-14.