18422+8818 HJ 2971 AB

 
 
18h 42m 13.39s +88° 18' 10.9" P.A. 163.00 sep 50.5 mag 9.93,12.61 Sp K8 dist. 39 pc (127.22 l.y.)
 
 
Coord 2000 18422+8818 Discov num HJ 2971 Comp AB Coord arcsec 2000 18 42 13.39 +88 18 10.9
Date first 1999 Date last 2015 Obs 7
Pa first 164 Pa last 163.3 P.A. Now (θ) 163.3°
Sep first 48.0 Sep last 50.45 Sep. Now (ρ) 50.45"
Mag pri 9.93 Mag sec 12.61 delta mag (ΔM) 2.68 Spectral class K8 (yellow-orange)
Pri motion ra -093 Sec motion ra -005
Pri motion dec +146 Sec motion dec +002
Notes
rPM=0.975
This double is not physical.
 
 
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 HIP 91720 Tycho2 4660-00194-1 Gaia DR2 2305262196492623360
BD BD+87 183 Distance 39 Distance ly 127.22