UPSA Object Registry
Registry · deep sky

Qatar-1

Star
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 13m 31.65s
Declination
+65° 09′ 44.4″
Galactic l, b
98.719, 16.42
Distance
185.62 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 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.838 M_sun ± 0.043 NASA Exoplanet Archive Collins et al. 2017 2017
0.85 M_sun ± 0.03 NASA Exoplanet Archive Bonomo et al. 2017 2017
0.818 M_sun ± 0.069 NASA Exoplanet Archive Mislis et al. 2015 2015
0.803 M_sun ± 0.072 NASA Exoplanet Archive Maciejewski et al. 2015 2015
0.85 M_sun ± 0.03 NASA Exoplanet Archive Covino et al. 2013 2013
0.804 M_sun ± 0.1153 NASA Exoplanet Archive TICv8 2013
0.85 M_sun ± 0.03 NASA Exoplanet Archive Alsubai et al. 2011 2011

Radius 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.803 R_sun ± 0.016 NASA Exoplanet Archive Collins et al. 2017 2017
0.8 R_sun ± 0.05 NASA Exoplanet Archive Bonomo et al. 2017 2017
0.8 R_sun ± 0.05 NASA Exoplanet Archive Cruz et al. 2016 2016
0.796 R_sun ± 0.023 NASA Exoplanet Archive Mislis et al. 2015 2015
0.782 R_sun ± 0.025 NASA Exoplanet Archive Maciejewski et al. 2015 2015
0.8 R_sun ± 0.05 NASA Exoplanet Archive Covino et al. 2013 2013
0.768108 R_sun ± 0.03491 NASA Exoplanet Archive TICv8 2013
0.823 R_sun ± 0.025 NASA Exoplanet Archive Alsubai et al. 2011 2011
0.77 R_sun ± 0.05 NASA Exoplanet Archive ExoFOP 2010

Effective temperature 9 values

ValueUnitUncertainty Band / methodSourceReferenceYear
4,910 K NASA Exoplanet Archive von Essen et al. 2017 2017
5,013 K ± 93 NASA Exoplanet Archive Collins et al. 2017 2017
4,910 K ± 100 NASA Exoplanet Archive Bonomo et al. 2017 2017
4,910 K ± 100 NASA Exoplanet Archive Cruz et al. 2016 2016
4,910 K ± 100 NASA Exoplanet Archive Mislis et al. 2015 2015
4,910 K ± 100 NASA Exoplanet Archive Covino et al. 2013 2013
4,910 K ± 135.9 NASA Exoplanet Archive TICv8 2013
4,861 K ± 125 NASA Exoplanet Archive Alsubai et al. 2011 2011
4,910 K ± 108.3 NASA Exoplanet Archive ExoFOP 2010

Related objects

ObjectTypeRelation
Qatar-1 b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Qatar-1 b Exoplanet 0.003074″ 12.69
Qatar 1 HighPM* 0.922″ 12.84
Qatar 1b Planet 0.922″ —
Gaia DR3 2244879487501323008 WhiteDwarf 328.3″ —

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/qatar-1 · Registry entry updated 2026-08-14.