47 Boötis

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47 Boötis
Observation data
Epoch J2000      Equinox J2000
Constellation
Boötes
Right ascension 15h 05m 25.83464s[1]
Declination +48° 09′ 03.4943″[1]
Apparent magnitude (V) 5.581[2]
Characteristics
Evolutionary stage main sequence[3]
Spectral type A0 Vs[4]
B−V color index −0.005±0.003[5]
Variable type suspected[6]
Distance
261 ± 2 ly
(80.0 ± 0.5 pc)
Absolute magnitude (MV)0.97[5]
Details
47 Boo A
Rotational velocity (v sin i)
54.8±1.6[2] km/s
HR 5627, SAO 45370, ADS 9500, CCDM 15054+4809[8]
Database references
SIMBADdata

47 Boötis is a

apparent visual magnitude of 5.58.[2] It is moving closer to the Earth with a heliocentric radial velocity of −13 km/s.[2]

The primary member of the system, designated component A, is an

The companion, component B, is a magnitude 13.3 star located at an

arcseconds away from the primary.[9]

References