16048+7016 STTA 143 AB (HD 145309)

 
 
16h 04m 48.95s +70° 15' 42.0" P.A. 83.00 sep 46.9 mag 6.87,8.78 Sp A0 dist. 129.7 pc (423.08 l.y.)
 
 
Coord 2000 16048+7016 Discov num STTA143 Comp AB Coord arcsec 2000 16 04 48.95 +70 15 42.0
Date first 1875 Date last 2018 Obs 31
Pa first 84 Pa last 82.6 P.A. Now (θ) 82.6°
Sep first 46.9 Sep last 46.936 Sep. Now (ρ) 46.936"
Mag pri 6.87 Mag sec 8.78 delta mag (ΔM) 1.91 Spectral class A0 (white)
Pri motion ra +006 Sec motion ra +005
Pri motion dec +026 Sec motion dec +026
Notes N (See Notes)
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
16048+7016 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 8415 16 04 49 +70 15 42 HDS 2269 Aa,Ab 1991 1 292 0.2 7.17 8.56 1.39
Show HD 145309 8415 16 04 49 +70 15 42 STTA 143 AB 2018 31 83 46.9 6.87 8.78 1.91 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 145309 Constellation Ursa Minor SAO 8415 HIP 78761
Tycho2 4422-02073-1 Gaia DR2 1647138001174746112 HD 145309 GC 21669
BD BD+70 863 Distance 129.7 Distance ly 423.08