44 Boötis

Starbox begin
name=44 Boötis Starbox image


caption =44 Boötis Starbox observe
epoch=J2000
ra=15^h 03^m 47.304^s
dec= +47° 39′ 14.616″
appmag_v=4.75
constell=Boötes Starbox character
class=G0Vnv
r-i =
v-r =
b-v = 0.65
u-b = 0.11
variable=W UMa variable Starbox astrometry
radial_v=-30.8
prop_mo_ra=-436.26
prop_mo_dec=18.93
parallax=78.39
p_error=1.03
absmag_v=5.41 Starbox detail
mass=1,1
radius=1,1
luminosity=1,2 | temperature=5,000–6,000
metal=
gravity=
rotation=<= 16 Km/s
0,0095423 Year
age= Starbox visbin
name=44 Boötis B
period=225
axis=3.772
eccentricity=0.43
inclination=83.9
node=57.8
periastron=2021

Starbox catalog
names=i Boötis, HR 5618, HD 133640, Gl 575, BD+48°2259, HIP 73695, SAO 45357, GC 20281, ADS 9494, CCDM 15038+4739. Starbox reference
Simbad=HD+133640
ARICNS =

44 Boötis or "i Boötis" is a triple star system in the constellation Boötes. It is approximately 41.6 light years from Earth.

The primary component, 44 Boötis A, is a yellow-white F-type main sequence dwarf with a mean apparent magnitude of +4.83. The companion component, 44 Boötis B, is a W Ursae Majoris variable spectroscopic binary. The brightness of the binary varies from magnitude +5.8 to +6.40 with a period of 6.43 hours.

Reference

* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205618 HR 5618]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=15+03+47.3040%2B47+39+14.616&ident=V*+i+Boo&submit=Aladin+previewer Image 44 Boötis]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J15038%2b4739AB CCDM J15038+4739]