القفزة الثانية الشمالية

Also known as Tania Borealis, 33 Ursae Majoris, HD 89021, The First Middle Step, 33 UMa, λ UMa, λ Ursae Majoris, ROT 1551

نجم

In the Vinony graph

Within Vinony's link graph, القفزة الثانية الشمالية is referenced by 282 other articles, and connects out to list of stars in Ursa Major, stellar classification and year.

Vinony files it under A-type subgiants, Bayer objects and Bright Star Catalogue objects.

Its subject is documented across 20 Wikipedia language editions.

Wikidata facts

Instance of: star
Part of: Three Steps
Constellation: Ursa Major
Distance from Earth: 69.159
Radius: 2.3
Mass: 2.1

Show 16 more facts

radial velocity: 17.0
catalog code: Renson 25478
spectral class: A2
stellar rotational velocity: 35
apparent magnitude: 3.446242
effective temperature: 9280
parallax: 14.4594
epoch: J2000.0
metallicity: 0.20
surface gravity: 8000
absolute magnitude: 0.10
right ascension component of proper motion: -152.974
declination component of proper motion: -49.462
age estimated by a dating method: 380
right ascension: 154.27408023573
declination: 42.91441380519

Sources (3)

via Wikidata · CC0

Article · العربية

القفزة الثانية الشمالية أو لمدا الكلب الأكبر Lambda Ursae Majoris اسمه التقليدي Tania Borealis مشتق من الاسم العربي. هو نجم في كوكبة الدب الأكبر. وهو نجم أبيصينتمي إلى الفئة الطيفية A ويبعد 135 سنة ضوئية عن الأرض ويملك قدر ظاهري 3.5m.

Abstract from DBpedia / Wikipedia · CC BY-SA