UPSA Object Registry
Registry · exoplanet

HAT-P-13 b

Exoplanet 129 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
08h 39m 31.77s
Declination
+47° 21′ 06.9″
Galactic l, b
172.5, 37.54
Magnitude V
10.42
Distance
246.81 pc

Also known as

1 identifiers

HAT-P-13b

Planet

NASA Exoplanet Archive, composite parameters
Host starHAT-P-13 · G4
DiscoveryTransit, 2009 · HATNet
Orbital period2.91625 d
Semi-major axis0.04383 au
Eccentricity0.0133
Radius14.258 R⊕ · 1.272 R♃
Mass270.46 M⊕ · 0.851 M♃
Density0.3408 g/cm³
Equilibrium temperature1,740 K
System distance246.81 pc

Published measurements

6 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 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
280.6439 M_earth ± 8.581 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
287.954 M_earth ± 7.31 Transit NASA Exoplanet Archive Turner et al. 2016 2016
285.7292 M_earth ± 9.535 Transit NASA Exoplanet Archive Buhler et al. 2016 2016
285.7292 M_earth ± 9.535 Transit NASA Exoplanet Archive Knutson et al. 2014 2014
287.9525 M_earth ± 9.535 Transit NASA Exoplanet Archive Southworth et al. 2012 2012
270.462 M_earth ± 12.08 Transit NASA Exoplanet Archive Winn et al. 2010 2010
271.098 M_earth ± 9.217 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

Radius 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
14.35873 R_earth ± 0.8855 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
16.66778 R_earth ± 0.4259 Transit NASA Exoplanet Archive Turner et al. 2016 2016
16.66778 R_earth ± 0.4596 Transit NASA Exoplanet Archive Buhler et al. 2016 2016
16.66775 R_earth ± 0.4596 Transit NASA Exoplanet Archive Southworth et al. 2012 2012
14.258 R_earth ± 0.729 Transit NASA Exoplanet Archive Winn et al. 2010 2010
16.77836 R_earth ± 0.8237 Transit NASA Exoplanet Archive ExoFOP 2009
14.359 R_earth ± 0.886 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

Orbital period 13 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.916241 d ± 1.60e-07 Transit NASA Exoplanet Archive Yalçınkaya et al. 2024 2024
2.916243 d ± 4.70e-07 Transit NASA Exoplanet Archive Kokori et al. 2023 2023
2.916237 d ± 3.20e-06 Transit NASA Exoplanet Archive Ivshina & Winn 2022 2022
2.916243 d ± 6.00e-07 Transit NASA Exoplanet Archive Kokori et al. 2022 2022
2.916238 d ± 2.20e-06 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
2.916243 d ± 1.20e-06 Transit NASA Exoplanet Archive Sada & Ramón-Fox 2016 2016
2.916238 d ± 1.60e-06 Transit NASA Exoplanet Archive Turner et al. 2016 2016
2.916238 d ± 2.20e-06 Transit NASA Exoplanet Archive Buhler et al. 2016 2016
2.916238 d ± 2.10e-06 Transit NASA Exoplanet Archive Knutson et al. 2014 2014
2.916238 d ± 2.20e-06 Transit NASA Exoplanet Archive Southworth et al. 2012 2012
2.91625 d ± 1.50e-05 Transit NASA Exoplanet Archive Winn et al. 2010 2010
2.9164 d ± 7.71e-05 Transit NASA Exoplanet Archive ExoFOP 2009
Show the remaining 1
ValueUnitUncertainty Band / methodSourceReferenceYear
2.91626 d ± 1.00e-05 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

Semi-major axis 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.0427 au ± 0.00058 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0.0431 au ± 0.0012 Transit NASA Exoplanet Archive Turner et al. 2016 2016
0.04383 au ± 0.00068 Transit NASA Exoplanet Archive Buhler et al. 2016 2016
0.04383 au ± 0.00068 Transit NASA Exoplanet Archive Southworth et al. 2012 2012
0.0427 au ± 0.0006 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

Eccentricity 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.021 ± 0.009 Transit NASA Exoplanet Archive Kokori et al. 2023 2023
0.013 Transit NASA Exoplanet Archive Bonomo et al. 2017 2017
0.0133 ± 0.0045 Transit NASA Exoplanet Archive Sada & Ramón-Fox 2016 2016
0.0133 ± 0.0041 Transit NASA Exoplanet Archive Turner et al. 2016 2016
0.007 ± 0.001 Transit NASA Exoplanet Archive Buhler et al. 2016 2016
0.0133 ± 0.0047 Transit NASA Exoplanet Archive Knutson et al. 2014 2014
0.0133 ± 0.0041 Transit NASA Exoplanet Archive Winn et al. 2010 2010
0.021 ± 0.009 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

Equilibrium temperature 4 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,740 K ± 27 Transit NASA Exoplanet Archive Turner et al. 2016 2016
1,725 K ± 31 Transit NASA Exoplanet Archive Southworth et al. 2012 2012
1,701 K Transit NASA Exoplanet Archive ExoFOP 2009
1,653 K ± 45 Transit NASA Exoplanet Archive Bakos et al. 2009 2009

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-13 c Exoplanet 0″ 10.42
HAT-P-13 Star 0.5517″ 10.42
SDSS J083939.24+472218.1 QSO 104.2″ —
SDSS J083923.77+472339.3 QSO 172.8″ —
US 1403 Seyfert1 324.4″ 18.86
SDSS J083903.04+472353.9 QSO 336.3″ —
SDSS J083954.96+472549.2 QSO 367.9″ —
GALEX J083929.7+471449 WhiteDwarf 377.1″ —
SDSS J083945.38+471432.1 QSO 418.3″ —
SDSS J083850.29+472123.1 QSO 421.8″ —
SDSS J083957.49+471420.2 QSO 483.6″ —

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-13-b · Registry entry updated 2026-08-14.