UPSA Object Registry
Registry · deep sky

HAT-P-9

EmLine* SIMBAD Em* F 67 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
07h 20m 40.46s
Declination
+37° 08′ 26.3″
Galactic l, b
181.09, 21.44
Magnitude V
12.34
Parallax
2.1626 mas
Redshift z
7.537e-05
Radial velocity
22.594 km/s
Proper motion
-9.796, -13.03 mas/yr

Also known as

1 identifiers

HAT-P-9

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 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.281 M_sun ± 0.057 NASA Exoplanet Archive Wang et al. 2019 2019
1.28 M_sun ± 0.13 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.28 M_sun ± 0.1 NASA Exoplanet Archive Southworth 2012 2012
1.28 M_sun ± 0.13 NASA Exoplanet Archive Moutou et al. 2011 2011
1.28 M_sun ± 0.13 NASA Exoplanet Archive Shporer et al. 2009 2009

Radius 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.338 R_sun ± 0.065 NASA Exoplanet Archive Wang et al. 2019 2019
1.32 R_sun ± 0.07 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.339 R_sun ± 0.08 NASA Exoplanet Archive Southworth 2012 2012
1.32 R_sun ± 0.07 NASA Exoplanet Archive Shporer et al. 2009 2009
1.3 R_sun ± 0.07 NASA Exoplanet Archive ExoFOP 2008

Effective temperature 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
6,350 K ± 150 NASA Exoplanet Archive Wang et al. 2019 2019
6,350 K ± 150 NASA Exoplanet Archive Bonomo et al. 2017 2017
6,350 K ± 150 NASA Exoplanet Archive Southworth 2012 2012
6,350 K ± 150 NASA Exoplanet Archive Moutou et al. 2011 2011
6,350 K ± 150 NASA Exoplanet Archive Shporer et al. 2009 2009
6,193 K ± 137.4 NASA Exoplanet Archive ExoFOP 2008

Related objects

ObjectTypeRelation
HAT-P-9 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-9 b Exoplanet 0.2529″ 12.34
87GB 071706.7+371227 Blazar 171.2″ —
ZTF J072025.97+370816.0 RRLyrae 173.4″ 17.98
GALEX J072025.5+370336 WhiteDwarf 340.6″ —

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-9-4168839 · Registry entry updated 2026-08-14.