UPSA Object Registry
Registry · deep sky

HAT-P-33

EmLine* SIMBAD Em* F4 48 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 32m 44.22s
Declination
+33° 50′ 06.1″
Galactic l, b
185.31, 22.73
Magnitude V
11.03
Parallax
2.5186 mas
Redshift z
7.735e-05
Radial velocity
23.187 km/s
Proper motion
-0.125, -2.444 mas/yr

Also known as

1 identifiers

HAT-P-33

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 4 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.375 M_sun ± 0.04 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.82 M_sun ± 1.45 NASA Exoplanet Archive Stassun et al. 2017 2017
1.38 M_sun ± 0.04 NASA Exoplanet Archive Knutson et al. 2014 2014
1.375 M_sun ± 0.04 NASA Exoplanet Archive Hartman et al. 2011 2011

Radius 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.91 R_sun ± 0.26 NASA Exoplanet Archive Bourrier et al. 2023 2023
1.637 R_sun ± 0.034 NASA Exoplanet Archive Bonomo et al. 2017 2017
1.79 R_sun ± 0.48 NASA Exoplanet Archive Stassun et al. 2017 2017
1.637 R_sun ± 0.034 NASA Exoplanet Archive Hartman et al. 2011 2011
1.67 R_sun ± 0.07 NASA Exoplanet Archive ExoFOP 2011

Effective temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
6,460 K ± 300 NASA Exoplanet Archive Bourrier et al. 2023 2023
6,446 K ± 88 NASA Exoplanet Archive Bonomo et al. 2017 2017
6,446 K ± 88 NASA Exoplanet Archive Stassun et al. 2017 2017
6,446 K ± 88 NASA Exoplanet Archive Hartman et al. 2011 2011
6,642.3 K ± 107.3 NASA Exoplanet Archive ExoFOP 2011

Related objects

ObjectTypeRelation
HAT-P-33 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HAT-P-33 b Exoplanet 0.03814″ 11.03
HD 59798 Star 510.6″ 7.62

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-33-6140029 · Registry entry updated 2026-08-14.