UPSA Object Registry
Registry · deep sky

HAT-P-4

Star F
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
15h 19m 57.89s
Declination
+36° 13′ 46.4″
Galactic l, b
58.48, 57.34
Distance
320.45 pc

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
1.26 M_sun ± 0.1 NASA Exoplanet Archive Ment et al. 2018 2018
1.248 M_sun ± 0.07 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.26 M_sun ± 0.1 NASA Exoplanet Archive Knutson et al. 2014 2014
0.556 M_sun ± 0.068 NASA Exoplanet Archive Winn et al. 2011 2011
1.26 M_sun ± 0.14 NASA Exoplanet Archive Christiansen et al. 2011 2011
1.271 M_sun ± 0.12 NASA Exoplanet Archive Southworth 2011 2011
1.248 M_sun ± 0.07 NASA Exoplanet Archive Torres et al. 2008 2008
1.26 M_sun ± 0.06 NASA Exoplanet Archive Kovacs et al. 2007 2007

Radius 8 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.59 R_sun ± 0.07 NASA Exoplanet Archive Ment et al. 2018 2018
1.596 R_sun ± 0.06 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.617 R_sun ± 0.057 NASA Exoplanet Archive Winn et al. 2011 2011
1.602 R_sun ± 0.061 NASA Exoplanet Archive Christiansen et al. 2011 2011
1.6 R_sun ± 0.117 NASA Exoplanet Archive Southworth 2011 2011
1.596 R_sun ± 0.06 NASA Exoplanet Archive Torres et al. 2008 2008
1.6 R_sun ± 0.07 NASA Exoplanet Archive ExoFOP 2007
1.59 R_sun ± 0.07 NASA Exoplanet Archive Kovacs et al. 2007 2007

Effective temperature 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,907 K NASA Exoplanet Archive Ment et al. 2018 2018
5,860 K ± 80 NASA Exoplanet Archive Bonomo et al. 2017 2017
5,860 K ± 80 NASA Exoplanet Archive Southworth 2011 2011
5,860 K ± 80 NASA Exoplanet Archive Torres et al. 2008 2008
5,981 K ± 117.3 NASA Exoplanet Archive ExoFOP 2007
5,860 K ± 80 NASA Exoplanet Archive Kovacs et al. 2007 2007

Related objects

ObjectTypeRelation
HAT-P-4 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-4 b Exoplanet 0″ 11.12
BD+36 2593b Planet 0.5026″ —
BD+36 2593 EmLine* 0.5026″ 11.12
SDSS J151957.61+361239.7 QSO 66.75″ —
TYC 2569-744-1 Star 91.51″ 11.38
[VV2006] J151949.3+361126 QSO 174.2″ 20.65
BD+36 2594 RGB* 262.1″ 11.55
2MASS J15195206+3608397 Star 314.6″ —
2MASS J15192273+3611514 Star 440.9″ —
BD+36 2592 RGB* 466.6″ 10.38
[VV2006] J151932.0+362024 QSO 507.1″ 18.98

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-4 · Registry entry updated 2026-08-14.