Registry · deep sky

K2-102

Star SIMBAD * K3V 84 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 40m 13.45s
Declination: +19° 46′ 43.7″
Galactic l, b: 205.78, 32.48
Magnitude V: 13.2
Parallax: 5.3957 mas
Redshift z: 0.00011715
Radial velocity: 35.118 km/s
Proper motion: -35.1, -13.04 mas/yr

Also known as

18 identifiers

2MASS J08401345+19464362MASSI J0840134+194643AP J08401345+1946436Cl* NGC 2632 ART 383Cl* NGC 2632 JC 193Cl* NGC 2632 JS 346Cl* NGC 2632 KW 267Cl* NGC 2632 RUS 188Cl* NGC 2632 VL 985Cl* NGC 2632 WJJP 117EPIC 211970147Gaia DR2 661310756111835392Gaia DR3 661310756111835392GALAH 160113002101269GEN# +2.26320267HAT 269-04164K2-102TIC 175262071

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 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.736	M_sun	± 0.1041		NASA Exoplanet Archive	TICv8	2017
0.77	M_sun	± 0.06		NASA Exoplanet Archive	Mann et al. 2017	2017

Radius 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.768432	R_sun	± 0.08714		NASA Exoplanet Archive	TICv8	2017
0.71	R_sun	± 0.03		NASA Exoplanet Archive	Mann et al. 2017	2017

Effective temperature 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
4,638	K	± 73.55		NASA Exoplanet Archive	TICv8	2017
4,695	K	± 50		NASA Exoplanet Archive	Mann et al. 2017	2017

Related objects

Object	Type	Relation
K2-102 b	Exoplanet	host

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
K2-102 b	Exoplanet	0.5806″	13.08
Cl* NGC 2632 HSHJ 304	Star	53.99″	—
BD+20 2162	Star	66.77″	9.941
Cl* NGC 2632 JC 194	Eruptive*	107.8″	16.06
Cl* NGC 2632 JC 184	Eruptive*	132.7″	12.03
Cl* NGC 2632 JC 185	Star	145.9″	14.61
AG+19 872	Star	206.8″	10.27
BD+20 2157	Star	215.4″	9.79
HD 73730	Star	246.7″	7.99
SDSS J084005.83+194243.1	QSO	263.5″	—
EGGR 61	WhiteDwarf	280.2″	17.66

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/k2-102-1109861 · Registry entry updated 2026-08-14.