UPSA Object Registry
Registry · deep sky

16 Cyg B

Star G3 V
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
19h 41m 51.75s
Declination
+50° 31′ 00.6″
Galactic l, b
83.336, 13.2
Distance
21.14 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 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.982996 M_sun ± 0.04456 NASA Exoplanet Archive Rosenthal et al. 2021 2021
1.08 M_sun ± 0.04 NASA Exoplanet Archive Stassun et al. 2017 2017
1.03 M_sun ± 0.1484 NASA Exoplanet Archive TICv8 2007
0.99 M_sun NASA Exoplanet Archive Butler et al. 2006 2006
1 M_sun ± 0.05 NASA Exoplanet Archive Cochran et al. 1997 1997

Radius 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.159464 R_sun ± 0.0272 NASA Exoplanet Archive Rosenthal et al. 2021 2021
1.13 R_sun ± 0.01 NASA Exoplanet Archive Stassun et al. 2017 2017
1.12827 R_sun ± 0.07987 NASA Exoplanet Archive TICv8 2007

Effective temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,711.97 K ± 93.25 NASA Exoplanet Archive Rosenthal et al. 2021 2021
5,750 K ± 8 NASA Exoplanet Archive Stassun et al. 2017 2017
5,747 K ± 143.3 NASA Exoplanet Archive TICv8 2007
5,674 K NASA Exoplanet Archive Butler et al. 2006 2006
5,760 K ± 20 NASA Exoplanet Archive Cochran et al. 1997 1997

Related objects

ObjectTypeRelation
16 Cyg B b Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
16 Cyg B b Exoplanet 0″ 6.215
* 16 Cyg Bb Planet 3.272″ —
* 16 Cyg B HighPM* 3.272″ 6.2
* 16 Cyg C HighPM* 38.64″ —
* 16 Cyg A ** 39.91″ 5.95
* 16 Cyg ** 40.11″ —
Kepler-678 Star 83.62″ —
Kepler-678 b Exoplanet 83.78″ 15.16
KOI-4512 ** 97.25″ —
UCAC4 703-067678 Star 104.5″ 13.11
2MASS J19420615+5030220 Star 142.7″ —

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/16-cyg-b · Registry entry updated 2026-08-14.