Lambda Bootis

Also known as Xuange, 19 Boötis, HD 125162

étoile de la constellation du Bouvier

In the Vinony graph

Within Vinony's link graph, Lambda Bootis is referenced by 261 other articles, and connects out to year, Boötes and apparent magnitude.

It sits within the topics A-type main-sequence stars, Bayer objects and Boötes.

Its subject is documented across 16 Wikipedia language editions.

Astronomical data · SIMBAD

Object type: dS*
Spectral type: A0Va_lB
Distance: 100 light-years
Redshift: z = -0.000005537148650258672
Coordinates: RA 214.0959° · Dec 46.0883°

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via SIMBAD · CDS Strasbourg

Wikidata facts

Part of: Boötes
Constellation: Boötes
Distance from Earth: 30.6857
Diameter: 2390000
Radius: 1.7
Mass: 2
Variable-star type: Delta Scuti variable
Image: Boötes constellation map.svg

Show 17 more facts

spectral class: A0
catalog code: UBV M 20097
stellar rotational velocity: 115
apparent magnitude: 4.169045
parallax: 32.94
effective temperature: 8400
radial velocity: -1.66
epoch: J2000.0
metallicity: -2.05
surface gravity: 10000
absolute magnitude: 1.78
color index: 0.08
luminosity: 14.758
right ascension component of proper motion: -187.698
declination component of proper motion: 159.309
right ascension: 214.0959100349329
declination: 46.08830429435917

Sources (8)

via Wikidata · CC0

Article · Français

Lambda Bootis (λ Boo, λ Bootis), parfois francisé en Lambda du Bouvier, est une étoile de la constellation du Bouvier. Elle est le prototype d'un groupe d'étoiles rares appelées les étoiles de type Lambda Bootis, qui sont toutes des étoiles naines ayant des abondances inhabituellement faibles de métaux dans leur spectre.

Abstract from DBpedia / Wikipedia · CC BY-SA