玄戈星

Also known as Xuange, 19 Boötis, HD 125162

star in the constellation Boötes

In the Vinony graph

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

Vinony files it under 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°

View on SIMBAD →

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 · 中文

牧夫座λ (λ Boo / λ Boötis)，中文名稱為元戈或玄戈，是在牧夫座的一顆恆星。牧夫座λ是一顆白色的A型主序矮星，視星等 +4.18，與地球的距離大約是97.1光年。牧夫座λ是一種已知但罕見、被稱為牧夫座λ型星的原型，這些恆星都是光譜呈現金屬豐度異常低的矮星。他的直徑經過直接測量是太陽的1.7倍。

Abstract from DBpedia / Wikipedia · CC BY-SA