Registry · deep sky

eps Eri

Star K2 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: 03h 32m 54.82s
Declination: −09° 27′ 29.4″
Galactic l, b: 195.84, -48.05
Distance: 3.2026 pc

Recorded parameters

1 quantity with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Radius	0.759106	R_sun	± 0.01182		NASA Exoplanet Archive	Rosenthal et al. 2021

Published measurements

2 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
0.82	M_sun	± 0.02	NASA Exoplanet Archive	Thompson et al. 2025	2025
0.814595	M_sun	± 0.02415	NASA Exoplanet Archive	Rosenthal et al. 2021	2021
0.82	M_sun	± 0.02	NASA Exoplanet Archive	Llop-Sayson et al. 2021	2021
0.781	M_sun	± 0.005	NASA Exoplanet Archive	Mawet et al. 2019	2019
0.83	M_sun	± 0.05	NASA Exoplanet Archive	Benedict et al. 2006	2006
0.85	M_sun		NASA Exoplanet Archive	Hatzes et al. 2000	2000

Effective temperature 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
5,098	K			NASA Exoplanet Archive	Harada et al. 2025	2025
5,020.38	K	± 57.69		NASA Exoplanet Archive	Rosenthal et al. 2021	2021

Related objects

Object	Type	Relation
eps Eri b	Exoplanet	host

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
eps Eri b	Exoplanet	0″	3.715
* eps Eri c	Planet	15.11″	—
* eps Eri b	Planet	15.11″	—
* eps Eri	BYDraV*	15.11″	3.73

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/eps-eri · Registry entry updated 2026-08-14.