UPSA Object Registry
Registry · deep sky

HD 189733

BYDraV* SIMBAD BY* K2V 1,004 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
20h 00m 43.71s
Declination
+22° 42′ 39.1″
Galactic l, b
60.963, -3.922
Magnitude V
7.648
Parallax
50.567 mas
Redshift z
-7.729e-06
Radial velocity
-2.317 km/s
Proper motion
-3.208, -250.3 mas/yr

Also known as

38 identifiers

1RXS J200043.3+2242402E 1958.5+22342E 43112MASS J20004370+2242391AG+22 2072ASCC 807144** BAK 1ABD+22 3887CNS5 4952EXO 195834+2234.6Gaia DR1 1827242811876888960Gaia DR2 1827242816201846144Gaia DR3 1827242816201846144GC 27741GEN# +1.00189733GJ 4130GSC 02141-00972HD 189733HD 189733AHIC 98505HIP 98505LSPM J2000+2242LTT 15851NLTT 48568PPM 110211SAO 88060SKY# 37530SPOCS 3132TIC 256364928TYC 2141-972-1uvby98 100189733V* V452 VulWDS J20007+2243AWISEA J200043.63+224236.1Wolf 864YZ 22 7419TOI-4470USNO-B1.0 1127-00538857

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 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.827851 M_sun ± 0.0288 NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.84 M_sun NASA Exoplanet Archive Paredes et al. 2021 2021
0.812 M_sun ± 0.041 NASA Exoplanet Archive Addison et al. 2019 2019
0.79 M_sun ± 0.08 NASA Exoplanet Archive Stassun et al. 2017 2017
0.806 M_sun ± 0.048 NASA Exoplanet Archive Bonomo et al. 2017 2017
0.84 M_sun ± 0.09943 NASA Exoplanet Archive TICv8 2016
0.846 M_sun ± 0.049 NASA Exoplanet Archive Boyajian et al. 2015 2015
0.84 M_sun ± 0.042 NASA Exoplanet Archive Southworth 2010 2010
0.806 M_sun ± 0.048 NASA Exoplanet Archive Torres et al. 2008 2008
0.82 M_sun ± 0.03 NASA Exoplanet Archive Bouchy et al. 2005 2005

Radius 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.782719 R_sun ± 0.01396 NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.765 R_sun ± 0.019 NASA Exoplanet Archive Addison et al. 2019 2019
0.75 R_sun ± 0.01 NASA Exoplanet Archive Stassun et al. 2017 2017
0.756 R_sun ± 0.018 NASA Exoplanet Archive Bonomo et al. 2017 2017
0.776484 R_sun ± 0.05089 NASA Exoplanet Archive TICv8 2016
0.805 R_sun ± 0.016 NASA Exoplanet Archive Cegla et al. 2016 2016
0.805 R_sun ± 0.016 NASA Exoplanet Archive Boyajian et al. 2015 2015
0.766 R_sun NASA Exoplanet Archive Di Gloria et al. 2015 2015
0.752 R_sun ± 0.025 NASA Exoplanet Archive Southworth 2010 2010
0.756 R_sun ± 0.018 NASA Exoplanet Archive Torres et al. 2008 2008
0.776484 R_sun ± 0.05559 NASA Exoplanet Archive ExoFOP 2005
0.76 R_sun ± 0.01 NASA Exoplanet Archive Bouchy et al. 2005 2005

Effective temperature 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,012.5 K ± 67.81 NASA Exoplanet Archive Rosenthal et al. 2021 2021
5,050 K ± 20 NASA Exoplanet Archive Addison et al. 2019 2019
5,052 K ± 16 NASA Exoplanet Archive Stassun et al. 2017 2017
5,040 K ± 50 NASA Exoplanet Archive Bonomo et al. 2017 2017
5,023 K ± 165.2 NASA Exoplanet Archive TICv8 2016
4,875 K ± 43 NASA Exoplanet Archive Cegla et al. 2016 2016
4,875 K ± 43 NASA Exoplanet Archive Boyajian et al. 2015 2015
5,050 K ± 50 NASA Exoplanet Archive Southworth 2010 2010
5,040 K ± 50 NASA Exoplanet Archive Torres et al. 2008 2008
5,023 K ± 142.5 NASA Exoplanet Archive ExoFOP 2005
5,050 K ± 50 NASA Exoplanet Archive Bouchy et al. 2005 2005

Related objects

ObjectTypeRelation
HD 189733 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HD 189733 b Exoplanet 3.88″ 7.67
HD 189733B HighPM* 11.29″ —
2MASS J20003898+2242336 RGB* 65.67″ —
ATO J300.2216+22.7016 LongPeriodV* 135.2″ —
IRAS 19583+2235 Mira 158″ —
HD 345461 Star 179″ 11.32
IRAS 19583+2231 LongPeriodV* 211.1″ —
2MASS J20002569+2242150 RGB* 250.5″ —
ZTF J200103.47+224118.3 EclBin 285.2″ —
2MASS J20004269+2247411 HorBranch* 302.5″ —
2MASS J20001906+2239432 RGB* 383.8″ —

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/hd-189733-2808214 · Registry entry updated 2026-08-14.