Nu² Boötis

From Wikipedia, the free encyclopedia

ν2 Boötis
Observation data
Epoch J2000.0
Constellation
(pronunciation)
Boötes
Right ascension 15h 31m 47.0s
Declination +40° 53' 58"
Apparent magnitude (V) +4.98
Distance 430 ± 31 ly
(132 ± 10 pc)
Spectral type A5V
Other designations
53 Boötis, HR 5774, HD 138629, BD+41°2611, HIP 76041, SAO 45590, GC 20883, ADS 9688, CCDM 15318+4054

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.