- Theta Ursae Majoris
Starbox begin
name=Theta Ursae Majoris A/B Starbox observe
epoch=J2000
ra=09h 32m 51.4s
dec=+51° 40′ 38″
appmag_v=3.17
constell=Ursa Major Starbox character
class=F6 IV/M6
b-v=0.46
u-b=0.03
variable=Suspected Starbox astrometry
radial_v=14.7
prop_mo_ra=-947.06
prop_mo_dec=-535.6
parallax=74.15
p_error=0.74
absmag_v=2.52 Starbox detail
mass=1.5-1.6
radius=?
luminosity=7.6
temperature=6,400
metal=60%
rotation=12 km/s.
age=3 × 109 Starbox catalog
names=Al Haud, Sarir, 25 Ursae Majoris, Gl 354, HR 3775, BD +52°1401, HD 82328, LHS 270, LTT 12519, GCTP 2266.00, SAO 27289, FK5 358, GC 13157, ADS 7420, CCDM 09329+5141, HIP 46853.Theta Ursae Majoris (θ UMa / θ Ursae Majoris) is a
binary star in theconstellation Ursa Major . It is approximately 44.0light years fromEarth . It also has the traditional names Al Haud and Sarir.The primary component, Theta Ursae Majoris A, is a yellow-white F-type
subgiant with anapparent magnitude of +3.17. The 14th magnitude companion star is 4.1arcsecond s away from the primary.External links
* [http://www.astro.uiuc.edu/~kaler/sow/thetauma.html Theta Ursae Majoris] by Professor Jim Kaler.
ee also
*
Sarir - a medieval state
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