21510+5621 KR 55 AB (HD 239782)

 
 
21h 51m 00.59s +56° 21' 19.3" P.A. 355.00 sep 4.7 mag 10.31,10.69 Sp G5
 
 
Coord 2000 21510+5621 Discov num KR   55 Comp AB Coord arcsec 2000 21 51 00.59 +56 21 19.3
Date first 1890 Date last 2016 Obs 22
Pa first 356 Pa last 354.6 P.A. Now (θ) 354.6°
Sep first 4.8 Sep last 4.683 Sep. Now (ρ) 4.683"
Mag pri 10.31 Mag sec 10.69 delta mag (ΔM) 0.38 Spectral class G5 (yellow)
Pri motion ra -008 Sec motion ra -002
Pri motion dec -014 Sec motion dec +007
Notes
rPM=1.354
This double is not physical.
 
 
21510+5621 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 239782 21 51 01 +56 21 19 KR 55 AB 2016 22 355 4.7 10.31 10.69 0.38 <===
Show 21 51 01 +56 21 19 KR 55 AC 2016 14 20 16.1 10.31 11.63 1.32
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 239782 Constellation Cepheus Tycho2 3976-01786-1 Gaia DR2 2174946875789394688
HD 239782 ADS 15387