20115+3630 SEI 971 AB (HD 228199)

 
 
20h 11m 27.26s +36 29' 56.8" P.A. 14.00 sep 14.1 mag 9.30,11.60 Sp B0.5V
 
 
Coord 2000 20115+3630 Discov num SEI 971 Comp AB Coord arcsec 2000 20 11 27.26 +36 29 56.8
Date first 1896 Date last 2015 Obs 11
Pa first 13 Pa last 13.7 P.A. Now (θ) 13.7°
Sep first 13.7 Sep last 14.057 Sep. Now (ρ) 14.057"
Mag pri 9.30 Mag sec 11.60 delta mag (ΔM) 2.3 Spectral class B0.5V (blue-white)
Pri motion ra -004 Sec motion ra -001
Pri motion dec -008 Sec motion dec -006
Notes
rPM=0.403
Nature of this double is uncertain.
 
 
20115+3630 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228199 69575 20 11 27 +36 29 57 SEI 971 AB 2015 11 14 14.1 9.30 11.60 2.30 <===
Show 69575 20 11 27 +36 29 57 SLE 954 AC 2015 9 294 24.1 9.30 11.70 2.40
Show 69575 20 11 27 +36 29 57 SLE 954 AD 2015 8 357 22.3 9.30 12.80 3.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228199 Constellation Cygnus SAO 69575 Tycho2 2683-01190-1
Gaia DR2 2059181250701393280 HD 228199