02318+8916 STF 93 BD

 
 
02h 30m 43.45s +89° 15' 38.6" P.A. 179.00 sep 69.3 mag 8.60,13.90
 
 
Coord 2000 02318+8916 Discov num STF  93 Comp BD Coord arcsec 2000 02 30 43.45 +89 15 38.6
Date first 2005 Date last 2016 Obs 4
Pa first 178 Pa last 179.1 P.A. Now (θ) 179.1°
Sep first 69.4 Sep last 69.283 Sep. Now (ρ) 69.283"
Mag pri 8.60 Mag sec 13.90 delta mag (ΔM) 5.3 Spectral class
Pri motion ra +042 Sec motion ra +004
Pri motion dec -014 Sec motion dec +001
Notes N (See Notes)
rPM=0.923
This double is not physical.
 
 
02318+8916 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 308 02 31 49 +89 15 51 WRH 39 Aa,Ab 2023 14 293 0.1 2.30 4.30 2.00 Y
Show Polaris 308 02 31 49 +89 15 51 STF 93 AB 2016 65 236 18.4 2.04 9.10 7.06
Show 308 02 31 49 +89 15 51 STF 93 AC 2016 7 103 39.0 2.04 13.80 11.76
Show 308 02 31 49 +89 15 51 STF 93 AD 2016 8 194 83.2 2.04 14.30 12.26
Show 02 30 43 +89 15 39 STF 93 BC 2015 4 83 53.1 8.60 13.80 5.20
Show 02 30 43 +89 15 39 STF 93 BD 2016 4 179 69.3 8.60 13.90 5.30 <===
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Minor SAO 305 Gaia DR2 576402619921510144