18422+8818 HJ 2971 BC

 
 
18h 42m 43.08s +88° 17' 24.8" P.A. 11.00 sep 61.0 mag 12.61,11.53
 
 
Coord 2000 18422+8818 Discov num HJ 2971 Comp BC Coord arcsec 2000 18 42 43.08 +88 17 24.8
Date first 2000 Date last 2015 Obs 7
Pa first 11 Pa last 10.9 P.A. Now (θ) 10.9°
Sep first 61.0 Sep last 61.04 Sep. Now (ρ) 61.04"
Mag pri 12.61 Mag sec 11.53 delta mag (ΔM) 1.08 Spectral class
Pri motion ra -005 Sec motion ra -003
Pri motion dec +002 Sec motion dec +001
Notes
rPM=0.415
Nature of this double is uncertain.
 
 
18422+8818 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 42 13 +88 18 11 HJ 2971 AB 2015 7 163 50.5 9.93 12.61 2.68
Show 18 42 13 +88 18 11 HJ 2971 AC 2015 14 66 28.5 9.93 11.53 1.60
Show 18 42 43 +88 17 25 HJ 2971 BC 2015 7 11 61.0 12.61 11.53 1.08 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor Gaia DR2 2305262192196337024