Registry · deep sky

K2-27

Star SIMBAD * 47 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: 11h 26m 03.64s
Declination: +01° 13′ 50.7″
Galactic l, b: 261.03, 56.99
Magnitude V: 12.64
Parallax: 4.0219 mas
Redshift z: -0.000127
Radial velocity: -38.077 km/s
Proper motion: 3.367, -26.8 mas/yr

Also known as

1 identifiers

K2-27

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 6 values

Value	Unit	Uncertainty	Source	Reference	Year
0.88	M_sun	± 0.03	NASA Exoplanet Archive	Howard et al. 2025	2025
0.92012	M_sun	± 0.02263	NASA Exoplanet Archive	Mayo et al. 2018	2018
0.866	M_sun	± 0.029	NASA Exoplanet Archive	Petigura et al. 2017	2017
0.89	M_sun	± 0.05	NASA Exoplanet Archive	Van Eylen et al. 2016	2016
1.01	M_sun	± 0.12	NASA Exoplanet Archive	Crossfield et al. 2016	2016
0.89	M_sun	± 0.1114	NASA Exoplanet Archive	TICv8	2016

Radius 10 values

Value	Unit	Uncertainty	Source	Reference	Year
0.876	R_sun	± 0.036	NASA Exoplanet Archive	Howard et al. 2025	2025
0.932	R_sun	± 0.072	NASA Exoplanet Archive	Kruse et al. 2019	2019
0.855055	R_sun	± 0.03798	NASA Exoplanet Archive	Mayo et al. 2018	2018
0.885	R_sun	± 0.043	NASA Exoplanet Archive	Petigura et al. 2017	2017
0.85	R_sun	± 0.06	NASA Exoplanet Archive	Van Eylen et al. 2016	2016
1.03	R_sun	± 0.19	NASA Exoplanet Archive	Crossfield et al. 2016	2016
0.89	R_sun	± 0.06	NASA Exoplanet Archive	ExoFOP	2016
0.89254	R_sun	± 0.04527	NASA Exoplanet Archive	TICv8	2016
0.81	R_sun		NASA Exoplanet Archive	Vanderburg et al. 2016	2016
0.88	R_sun	± 7.37	NASA Exoplanet Archive	Montet et al. 2015	2015

Effective temperature 9 values

Value	Unit	Uncertainty	Source	Reference	Year
5,246	K	± 100	NASA Exoplanet Archive	Howard et al. 2025	2025
5,368	K	± 50	NASA Exoplanet Archive	Mayo et al. 2018	2018
5,248	K	± 60	NASA Exoplanet Archive	Petigura et al. 2017	2017
5,320	K	± 70	NASA Exoplanet Archive	Van Eylen et al. 2016	2016
5,797	K	± 286	NASA Exoplanet Archive	Crossfield et al. 2016	2016
5,231	K	± 137.3	NASA Exoplanet Archive	ExoFOP	2016
5,231	K	± 166.1	NASA Exoplanet Archive	TICv8	2016
5,247	K		NASA Exoplanet Archive	Vanderburg et al. 2016	2016
5,422	K	± 194	NASA Exoplanet Archive	Montet et al. 2015	2015

Related objects

Object	Type	Relation
K2-27 b	Exoplanet	host

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
K2-27 b	Exoplanet	0.4189″	12.69
UCAC4 457-048906	Star	32.4″	11.38
SDSS J112552.37+011611.7	QSO	220.1″	—
LEDA 1186499	Galaxy	245.1″	—
SDSS J112554.60+010944.5	QSO	280.9″	—
SDSS J112558.65+010846.1	QSO	313.5″	—
2QZ J112623.8+010856	**	422.3″	—
SDSS J112626.99+011815.6	QSO	439.1″	—
2MASS J11261528+0120481	BrownD*	452.6″	—
SDSS J112557.38+012202.6	QSO	500.8″	—
LEDA 1183995	Galaxy	535.1″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/k2-27-11092918 · Registry entry updated 2026-08-14.