Kappa Boötis

Kappa Boötis (κ Boo / κ Boötis) is a star system in the constellation Boötes. It also has the traditional name Asellus Tertius (Latin for "third donkey colt") and the Flamsteed designation 17 Boötis. Kappa Boötis is approximately 155 light years from Earth.

κ¹ Boötis

Starbox short
name=κ¹ Boötis
epoch=J2000.0
constell=Boötes
ra=14^h 13^m 27.7^s
dec=+51° 47' 16"
spectral=F1V
appmag_v=+4.53, +6.62
dist_ly=155 ± 6
dist_pc=48 ± 2
names=
Simbad=HD+124674

Kappa Boötis is a double star viewable in small telescope, with components separated by an angular distance of 13.4 arcseconds. The primary star, κ² Boötis, has apparent magnitude +4.54 and spectral class A8IV.

κ² Boötis

Starbox begin
name=κ² Boötis Starbox image


caption = Kappa Boötis Starbox observe
epoch=J2000
ra=14^h 13^m 29.0078^s
dec= +51° 47′ 23.874″
appmag_v=
constell=Boötes Starbox character
class=A8IV
r-i = 0.12
v-r =
b-v = 0.2
u-b = 0.14
variable=Delta Scuti variable Starbox astrometry
radial_v=-17.4
prop_mo_ra=61.39
prop_mo_dec=-10.57
parallax=21.03
p_error=0.83
absmag_v=4.74 Starbox detail
mass=3,1
radius=2,1
luminosity=40 | temperature=7,500–10,000
metal=
gravity=
rotation=127 Km/s
0,002295 Year
age= Starbox catalog
names=Asellus Tertius, 17 Boötis, HR 5329+HR 5328, HD 124675+HD 124674, BD+52°1782, HIP 69483+HIP 69481, SAO 29046+SAO 29045, GC 19207+GC 19204, ADS 9173, CCDM 14135+5147. Starbox reference
Simbad=HD+124675
ARICNS =

κ² Boötis is classified as a Delta Scuti type variable star and its brightness varies from magnitude +4.50 to +4.58 with a period of 1.83 hours. The companion star, κ¹ Boötis, has magnitude +6.58 and spectral class F1V.

Reference

* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205329 HR 5329]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205328 HR 5328]
* [http://vizier.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J14135%2b5147B CCDM J14135+5147]
* [http://www.alcyone.de/cgi-bin/search.pl?object=HR5329 www.alcyone.de/]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=14+13+29.0078%2B51+47+23.874&ident=V*+kap+Boo&submit=Aladin+previewer Image Kappa Boötis]
* [http://www.purplehell.com/riddletools/stars.htm The Constellations and Named Stars]