Nu2 Boötis

Nu2 Boötis

"For other star systems with this Bayer designation, see Nu Boötis."

Starbox begin
name=ν2 Boötis
Starbox image


caption =ν2 Boötis
Starbox observe
epoch=J2000
ra=15h 31m 46.9817s
dec= +40° 53′ 57.597″
appmag_v=4.997
constell=Boötes
Starbox character
class=A5V
r-i = 0.04
v-r =
b-v = 0.07
u-b = 0.11
variable=
Starbox astrometry
radial_v=-16.6
prop_mo_ra=-13.73
prop_mo_dec=-14.92
parallax=7.59
p_error=0.55
absmag_v=5.093
Starbox detail
mass=3,1
radius=2,1
luminosity=40 | temperature=7,500–10,000
metal=
gravity=
rotation=182 Km/s
0,0016 Year
age=
Starbox visbin
name=CCDM 15318+4054 B
A 1634
period=8.48
axis=0.1
eccentricity=
inclination=
node=
periastron=

Starbox visbin
name=CCDM 15318+4054 C
BU 1450
period=
axis=94.8
eccentricity=
inclination=273
node=
periastron=

Starbox visbin
name=KZA 97
period=
axis=121.1
eccentricity=
inclination=320
node=
periastron=

Starbox catalog
names=53 Boötis, HR 5774, HD 138629, BD+41°2611, HIP 76041, SAO 45590, GC 20883, ADS 9688, CCDM 15318+4054.
Starbox reference
Simbad=HD+138629
ARICNS =
Starbox reference
Simbad=ADS+9688
ARICNS =

Nu2 Boötis is a spectroscopic binary approximately 430 light years from Earth. The primary component, ν2 Boötis A, is a white A-type main sequence dwarf with an apparent magnitude of +4.98. Its companion, ν2 Boötis B is separated from the primary by less than 0.1 arcseconds. The binary has an orbital period of 8.48 years.

Reference

* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%205774 HR 5774]
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J15318%2b4054AB CCDM J15318+4054]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=15+31+46.9817%2B40+53+57.597&ident=CCDM+J15318%2B4054AB&submit=Aladin+previewer Nu2 Boötis]
* [http://www.alcyone.de/cgi-bin/search.pl?object=HR5774 HR 5774]

Components


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Look at other dictionaries:

  • Nu² Boötis — ν2 Boötis Observation data Epoch J2000      Equinox J2000 Constellation Boötes Right ascension 15h 31m 46.9817s Declination +40° 53′ 57.597″ …   Wikipedia

  • Nu² Lupi — Observation data Epoch J2000      Equinox J2000 Constellation Lupus Right ascension 15h 21m 48.1499s Declination 48° 19′ 03.46 …   Wikipedia

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