UPSA Object Registry
Registry · deep sky

tau Cet

Star G8.5V
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
01h 44m 02.23s
Declination
−15° 56′ 01.7″
Galactic l, b
173.07, -73.44
Distance
3.603 pc

Recorded parameters

1 quantity with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 0.783 M_sun ± 0.012 NASA Exoplanet Archive Feng et al. 2017

Related objects

ObjectTypeRelation
tau Cet f Exoplanethost
tau Cet g Exoplanethost
tau Cet h Exoplanethost

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
tau Cet f Exoplanet 0″ 3.496
tau Cet g Exoplanet 0″ 3.496
tau Cet h Exoplanet 0″ 3.496
* tau Cet c Planet Candidate 29.8″ —
* tau Cet d Planet Candidate 29.8″ —
* tau Cet g Planet 29.8″ —
* tau Cet h Planet 29.8″ —
* tau Cet f Planet 29.8″ —
* tau Cet HighPM* 29.8″ 3.5
* tau Cet e Planet 29.8″ —
* tau Cet b Planet Candidate 29.8″ —

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/tau-cet · Registry entry updated 2026-08-14.