02471+3533 BU 9 AC

 
 
02h 47m 03.60s +35° 33' 17.3" P.A. 128.00 sep 30.6 mag 6.42,13.30 Sp A9V dist. 50.61 pc (165.09 l.y.)
 
 
Coord 2000 02471+3533 Discov num BU    9 Comp AC Coord arcsec 2000 02 47 03.60 +35 33 17.3
Date first 1913 Date last 2015 Obs 6
Pa first 138 Pa last 127.8 P.A. Now (θ) 127.8°
Sep first 31.6 Sep last 30.611 Sep. Now (ρ) 30.611"
Mag pri 6.42 Mag sec 13.30 delta mag (ΔM) 6.88 Spectral class A9V (white)
Pri motion ra -039 Sec motion ra
Pri motion dec -055 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02471+3533 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 17240 55872 02 47 04 +35 33 17 BU 9 AB 2016 66 217 0.9 6.42 8.64 2.22 Y
Show 55872 02 47 04 +35 33 17 BU 9 AC 2015 6 128 30.6 6.42 13.30 6.88 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 55872 HIP 12990 Tycho2 2333-00738-1
Gaia DR2 140919702344897024 HD 17240 HR 820 ADS 2117
BD BD+34 513 Distance 50.61 Distance ly 165.09