21118+5959 STF 2780 AC

 
 
21h 11m 48.24s +59° 59' 11.8" P.A. 211.00 sep 118.8 mag 6.09,8.90 Sp B0II
 
 
Coord 2000 21118+5959 Discov num STF2780 Comp AC Coord arcsec 2000 21 11 48.24 +59 59 11.8
Date first 1878 Date last 2017 Obs 18
Pa first 212 Pa last 211.2 P.A. Now (θ) 211.2°
Sep first 119.9 Sep last 118.804 Sep. Now (ρ) 118.804"
Mag pri 6.09 Mag sec 8.90 delta mag (ΔM) 2.81 Spectral class B0II (blue-white)
Pri motion ra -003 Sec motion ra -004
Pri motion dec -004 Sec motion dec -005
Notes N (See Notes)
rPM=0.221 (< 0.3, Physical double)
This double is physical.
 
 
21118+5959 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 33210 21 11 48 +59 59 12 MCA 67 Aa,Ab 2005 23 305 0.0 6.50 7.10 0.60 Y
Show NSV13598 33210 21 11 48 +59 59 12 STF 2780 AB 2019 127 211 1.0 6.09 6.77 0.68
Show 33210 21 11 48 +59 59 12 STF 2780 AC 2017 18 211 118.8 6.09 8.90 2.81 <===
Show 33210 21 11 48 +59 59 12 WAL 137 AB,D 2003 3 260 96.3 5.72 14.20 8.48
Show 33210 21 11 48 +59 59 12 WAL 137 AB,E 2017 12 46 61.5 6.09 10.30 4.21
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV13598 Constellation Cepheus SAO 33210 Tycho2 3965-00880-1
Gaia DR2 2192287033139966848 HD 239600 HR 8119 ADS 14749