Eta Ophiuchi
Star system
Eta Ophiuchi is a binary star in the constellation of Ophiuchus. Based on parallax measurements taken during the Hipparcos mission, it is approximately 88 light-years from the Sun.
Eta Ophiuchi is part of a multiple star system designated WDS... Wikipedia
Distance to Earth: 88.39 light years
Declination: –15° 43′ 29.6639″
Apparent magnitude (V): 2.43
B−V color index: +0.05
Constellation: Ophiuchus
U−B color index: +0.09