Skip to content
AsteriaStar
Star · Ursa Major

HR 3182

Knowledge graphHR 3182HD 67447HIP 40215

Scientific overview

HR 3182 is a star in the constellation Ursa Major (Ursae Majoris), lying about 751.5 light-years from Earth.

Class G. Yellow stars like the Sun. On the main sequence they steadily fuse hydrogen into helium. Such stars have surface temperatures around 5,200–6,000 K and appear yellow to the eye.

Physical properties

Spectral typeG8II
Luminosity classII
Apparent magnitude5.34
Absolute magnitude-1.47
Luminosity (Sun = 1)338
Colour index (B−V)1.037
Distance751.5 ly (230.41 pc)

Values are real catalogue data; fields without a reliable value are omitted, never estimated.

Precision measurements

Astrometry and astrophysics from SIMBAD and Gaia DR3 · Gaia DR3 1097089442316408576

Parallax3.7121 ± 0.0823 masSIMBAD · measured
Distance268.1 pcGaia · estimated
Proper motion (RA)-0.432 mas/yrSIMBAD · measured
Proper motion (Dec)7.87 mas/yrSIMBAD · measured
Radial velocity-10.7955 ± 8.786e-3 km/sSIMBAD · measured
Spectral typeG7IIbSIMBAD · catalogued
Right ascension (ICRS)123.2 degSIMBAD · measured
Declination (ICRS)68.4741 degSIMBAD · measured
Full field-level provenance
  • Parallax: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · plx_value · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
  • Distance: ESA Gaia astrometric survey · Gaia EDR3 · Bailer-Jones (2021) · external.gaiaedr3_distance · r_med_geo · row 1097089442316408576 · Bayesian estimate · retrieved 2026-07-11
  • Proper motion (RA): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmra · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
  • Proper motion (Dec): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmdec · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
  • Radial velocity: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · rvz_radvel · 2020AJ....160..120J · direct catalogue measurement · retrieved 2026-07-11
  • Spectral type: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · sp_type · 1989ApJS...71..245K · catalogue identifier/value · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11

measured = direct catalogue value · estimated = Bayesian inference (Bailer-Jones distance) · modeled = model output (Gaia GSP-Phot). Fields a source did not provide are omitted, never invented.

Location in the sky

Constellation
Ursa Major
Hemisphere
Northern
Best seen
Spring (N. evening sky)
RA / Dec
8.2136h / 68.4741°

Knowledge connections

  • In constellationUrsa Major

Sources

The primary and reference sources this topic draws on.

  • HYG DatabaseHYG Database (Hipparcos + Yale Bright Star + Gliese), by D. Nash / astronexus

    Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.

  • HipparcosESA Hipparcos space astrometry mission

    High-precision parallax, magnitude, and position for ~118,000 stars.