Registry · deep sky

K2-19

Star SIMBAD * G7 79 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 39m 50.48s
Declination: +00° 36′ 12.9″
Galactic l, b: 267.03, 58.39
Magnitude V: 13
Parallax: 3.341 mas
Redshift z: 2.458e-05
Radial velocity: 7.369 km/s
Proper motion: -18.67, 4.571 mas/yr

Also known as

1 identifiers

K2-19

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 13 values

Value	Unit	Uncertainty	Source	Reference	Year
0.88	M_sun	± 0.03	NASA Exoplanet Archive	Howard et al. 2025	2025
0.892	M_sun	± 0.034	NASA Exoplanet Archive	Almenara et al. 2025	2025
0.88	M_sun	± 0.03	NASA Exoplanet Archive	Petigura et al. 2020	2020
0.895163	M_sun	± 0.02565	NASA Exoplanet Archive	Mayo et al. 2018	2018
0.918	M_sun	± 0.064	NASA Exoplanet Archive	Nespral et al. 2017	2017
0.93	M_sun	± 0.05	NASA Exoplanet Archive	Dai et al. 2016	2016
0.93	M_sun	± 0.05	NASA Exoplanet Archive	Sinukoff et al. 2016	2016
0.92	M_sun	± 0.1193	NASA Exoplanet Archive	TICv8	2016
0.99	M_sun	± 0.1	NASA Exoplanet Archive	Crossfield et al. 2016	2016
0.84	M_sun	± 0.04	NASA Exoplanet Archive	Montet et al. 2015	2015
0.89	M_sun	± 0.06	NASA Exoplanet Archive	Armstrong et al. 2015	2015
0.902	M_sun	± 0.011	NASA Exoplanet Archive	Narita et al. 2015	2015

Show the remaining 1

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.949	M_sun	± 0.077		NASA Exoplanet Archive	Barros et al. 2015	2015

Radius 16 values

Value	Unit	Uncertainty	Source	Reference	Year
0.82	R_sun	± 0.03	NASA Exoplanet Archive	Howard et al. 2025	2025
0.824	R_sun	± 0.024	NASA Exoplanet Archive	Almenara et al. 2025	2025
0.82	R_sun	± 0.03	NASA Exoplanet Archive	Petigura et al. 2020	2020
0.823	R_sun	± 0.044	NASA Exoplanet Archive	Kruse et al. 2019	2019
0.833805	R_sun	± 0.03628	NASA Exoplanet Archive	Mayo et al. 2018	2018
0.881	R_sun	± 0.111	NASA Exoplanet Archive	Nespral et al. 2017	2017
0.86	R_sun	± 0.04	NASA Exoplanet Archive	Dai et al. 2016	2016
0.86	R_sun	± 0.04	NASA Exoplanet Archive	Sinukoff et al. 2016	2016
0.840476	R_sun	± 0.03876	NASA Exoplanet Archive	TICv8	2016
0.84	R_sun		NASA Exoplanet Archive	Vanderburg et al. 2016	2016
1.01	R_sun	± 0.19	NASA Exoplanet Archive	Crossfield et al. 2016	2016
0.840476	R_sun	± 0.04254	NASA Exoplanet Archive	ExoFOP	2015

Show the remaining 4

Value	Unit	Uncertainty	Source	Reference	Year
0.81	R_sun	± 0.09	NASA Exoplanet Archive	Montet et al. 2015	2015
0.88	R_sun	± 0.06	NASA Exoplanet Archive	Armstrong et al. 2015	2015
0.914	R_sun	± 0.027	NASA Exoplanet Archive	Narita et al. 2015	2015
0.913	R_sun	± 0.094	NASA Exoplanet Archive	Barros et al. 2015	2015

Effective temperature 15 values

Value	Unit	Uncertainty	Source	Reference	Year
5,322	K	± 100	NASA Exoplanet Archive	Howard et al. 2025	2025
5,350	K	± 110	NASA Exoplanet Archive	Almenara et al. 2025	2025
5,322	K	± 100	NASA Exoplanet Archive	Petigura et al. 2020	2020
5,391	K	± 50	NASA Exoplanet Archive	Mayo et al. 2018	2018
5,250	K	± 70	NASA Exoplanet Archive	Nespral et al. 2017	2017
5,430	K	± 60	NASA Exoplanet Archive	Dai et al. 2016	2016
5,430	K	± 60	NASA Exoplanet Archive	Sinukoff et al. 2016	2016
5,322	K	± 133	NASA Exoplanet Archive	TICv8	2016
5,368	K		NASA Exoplanet Archive	Vanderburg et al. 2016	2016
5,748	K	± 245	NASA Exoplanet Archive	Crossfield et al. 2016	2016
5,322	K	± 104.3	NASA Exoplanet Archive	ExoFOP	2015
5,519	K	± 49	NASA Exoplanet Archive	Montet et al. 2015	2015

Show the remaining 3

Value	Unit	Uncertainty	Source	Reference	Year
5,230	K	± 417	NASA Exoplanet Archive	Armstrong et al. 2015	2015
5,345	K	± 17	NASA Exoplanet Archive	Narita et al. 2015	2015
5,390	K	± 180	NASA Exoplanet Archive	Barros et al. 2015	2015

Related objects

Object	Type	Relation
K2-19 b	Exoplanet	host
K2-19 c	Exoplanet	host
K2-19 d	Exoplanet	host

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
K2-19 b	Exoplanet	0.298″	13.02
K2-19 d	Exoplanet	0.298″	13.02
K2-19 c	Exoplanet	0.298″	13.02
LBQS 1137+0051	QSO	122.5″	18.51
SDSS J113927.32+003554.0	Galaxy	348.1″	—
SDSS J114014.50+003711.8	Galaxy	365.1″	—
SDSS J113918.43+003617.2	QSO	480.7″	—
LEDA 1173061	Galaxy	493.8″	—
[VV2006] J114021.3+003322	QSO	494″	—
[VV2006] J114010.9+002926	QSO	509.3″	—
SDSS J113955.51+002735.4	Galaxy	522.8″	—

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/k2-19-11092680 · Registry entry updated 2026-08-14.