21278+3835 KU 61 AB

 
 
21h 27m 49.16s +38° 34' 45.2" P.A. 271.00 sep 3.9 mag 10.02,10.57 Sp F8
 
 
Coord 2000 21278+3835 Discov num KU   61 Comp AB Coord arcsec 2000 21 27 49.16 +38 34 45.2
Date first 1901 Date last 2018 Obs 17
Pa first 273 Pa last 271.2 P.A. Now (θ) 271.2°
Sep first 3.8 Sep last 3.919 Sep. Now (ρ) 3.919"
Mag pri 10.02 Mag sec 10.57 delta mag (ΔM) 0.55 Spectral class F8 (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -019 Sec motion dec -020
Notes T (Parallax indicates physical)
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
21278+3835 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 27 49 +38 34 45 KU 61 AB 2018 17 271 3.9 10.02 10.57 0.55 <===
Show 21 27 49 +38 34 45 KU 61 AC 2015 7 206 14.3 10.02 13.20 3.18
Show 21 27 49 +38 34 45 KU 61 AD 2015 6 235 25.7 10.02 13.50 3.48
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3182-03296-1 Gaia DR2 1964272373365863552