Registry · deep sky

K2-104

Low-Mass* SIMBAD LM* M1V 76 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: 08h 38m 32.84s
Declination: +19° 46′ 25.6″
Galactic l, b: 205.62, 32.11
Magnitude V: 16.26
Parallax: 5.3427 mas
Redshift z: 0.00011922
Radial velocity: 35.74 km/s
Proper motion: -34.3, -12.83 mas/yr

Also known as

14 identifiers

2MASS J08383283+19462562MASSI J0838328+194625AP J08383283+1946256Cl* NGC 2632 HSHJ 207Cl* NGC 2632 JC 126Cl* NGC 2632 JS 237EPIC 211969807Gaia DR2 664292459846946560Gaia DR3 664292459846946560K2-104LAMOST J083832.82+194625.7TIC 175194958UGCS J083832.81+194625.5UGCS J083832.82+194625.5

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 4 values

Value	Unit	Uncertainty	Source	Reference	Year
0.51	M_sun	± 0.02	NASA Exoplanet Archive	Castro-González et al. 2022	2022
0.51	M_sun	± 0.02	NASA Exoplanet Archive	Mann et al. 2017	2017
0.426533	M_sun	± 0.06289	NASA Exoplanet Archive	Dressing et al. 2017	2017
0.500534	M_sun	± 0.02152	NASA Exoplanet Archive	TICv8	2016

Radius 7 values

Value	Unit	Uncertainty	Source	Reference	Year
0.48	R_sun	± 0.01	NASA Exoplanet Archive	Castro-González et al. 2022	2022
0.5573	R_sun	± 0.1253	NASA Exoplanet Archive	Kruse et al. 2019	2019
0.484	R_sun	± 0.012	NASA Exoplanet Archive	Yu et al. 2018	2018
0.48	R_sun	± 0.02	NASA Exoplanet Archive	Mann et al. 2017	2017
0.492279	R_sun	± 0.03188	NASA Exoplanet Archive	Dressing et al. 2017	2017
0.502513	R_sun	± 0.01662	NASA Exoplanet Archive	TICv8	2016
0.303	R_sun		NASA Exoplanet Archive	Libralato et al. 2016	2016

Effective temperature 5 values

Value	Unit	Uncertainty	Source	Reference	Year
3,712	K	± 54	NASA Exoplanet Archive	Castro-González et al. 2022	2022
3,820	K	± 70	NASA Exoplanet Archive	Yu et al. 2018	2018
3,660	K	± 67	NASA Exoplanet Archive	Mann et al. 2017	2017
3,546.46	K	± 98.71	NASA Exoplanet Archive	Dressing et al. 2017	2017
3,578	K	± 157	NASA Exoplanet Archive	TICv8	2016

Related objects

Object	Type	Relation
K2-104 b	Exoplanet	host

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
K2-104 b	Exoplanet	0.5674″	15.99
Cl* NGC 2632 JC 124	Eruptive*	77.98″	15.87
MCXC J0838.5+1948	ClG	113.5″	—
SDSS J083830.99+194820.4	BrightestCG	117.7″	—
FIRST J083834.1+194955	RadioG	210.5″	—
FIRST J083835.2+195010	RadioG	227.5″	—
Cl* NGC 2632 KW 112	Star	228.2″	12
NGC 2625	HIIG	247.2″	—
Cl* NGC 2632 JC 121	BrownD* Candidate	269″	—
UCAC4 549-045376	Star	273″	—
Cl* NGC 2632 S 35	Star	277″	11.48

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/k2-104-1109862 · Registry entry updated 2026-08-14.