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Main-sequence star · Triangulum

6 Trianguli

Knowledge graph6 TriHR 642HD 13480HIP 10280

Scientific overview

6 Trianguli is a main-sequence star in the constellation Triangulum (Trianguli), lying about 290.69 light-years from Earth.

Class F. Yellow-white stars, somewhat hotter and more massive than the Sun. Such stars have surface temperatures around 6,000–7,500 K and appear yellow-white to the eye.

Physical properties

Spectral typeF5V comp SB
Luminosity classV
Apparent magnitude4.94
Absolute magnitude0.19
Luminosity (Sun = 1)73.114
Colour index (B−V)0.77
Distance290.69 ly (89.13 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 300312157810876544

Parallax11.22 ± 0.7 masSIMBAD · measured
Distance88.3249 pcGaia · estimated
Proper motion (RA)-65.05 mas/yrSIMBAD · measured
Proper motion (Dec)-60.5 mas/yrSIMBAD · measured
Radial velocity-19.98 ± 0.74 km/sSIMBAD · measured
Spectral typeG0III+G5IIISIMBAD · catalogued
Right ascension (ICRS)33.0928 degSIMBAD · measured
Declination (ICRS)30.3031 degSIMBAD · measured
Full field-level provenance
  • Parallax: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · plx_value · 2007A&A...474..653V · direct catalogue measurement · retrieved 2026-07-11
  • Distance: ESA Gaia astrometric survey · Gaia EDR3 · Bailer-Jones (2021) · external.gaiaedr3_distance · r_med_geo · row 300312157810876544 · Bayesian estimate · retrieved 2026-07-11
  • Proper motion (RA): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmra · 2007A&A...474..653V · direct catalogue measurement · retrieved 2026-07-11
  • Proper motion (Dec): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmdec · 2007A&A...474..653V · direct catalogue measurement · retrieved 2026-07-11
  • Radial velocity: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · rvz_radvel · 2004MNRAS.349.1069K · direct catalogue measurement · retrieved 2026-07-11
  • Spectral type: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · sp_type · 1969AJ.....74..916H · catalogue identifier/value · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2007A&A...474..653V · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2007A&A...474..653V · 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.

Evolution

A main-sequence star fuses hydrogen into helium in its core. It will remain on the main sequence for most of its life before evolving into a giant.

Location in the sky

Constellation
Triangulum
Hemisphere
Northern
Best seen
Winter (N. evening sky)
RA / Dec
2.2062h / 30.3031°

Knowledge connections

  • In constellationTriangulum

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.