21429+2152 HJ 1683 AB

 
 
21h 42m 55.32s +21° 52' 06.5" P.A. 169.00 sep 12.6 mag 10.07,11.70 Sp F9V
 
 
Coord 2000 21429+2152 Discov num HJ 1683 Comp AB Coord arcsec 2000 21 42 55.32 +21 52 06.5
Date first 1892 Date last 2016 Obs 16
Pa first 169 Pa last 169.1 P.A. Now (θ) 169.1°
Sep first 12.4 Sep last 12.56 Sep. Now (ρ) 12.56"
Mag pri 10.07 Mag sec 11.70 delta mag (ΔM) 1.63 Spectral class F9V (yellow-white)
Pri motion ra +010 Sec motion ra +007
Pri motion dec -016 Sec motion dec -019
Notes
rPM=0.21 (< 0.3, Physical double)
This double is physical.
 
 
21429+2152 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 42 55 +21 52 06 HJ 1683 AB 2016 16 169 12.6 10.07 11.70 1.63 <===
Show 21 42 55 +21 52 06 HJ 1683 AC 2015 20 315 27.3 10.07 11.46 1.39
Show 21 42 55 +21 52 06 ABH 150 AD 2015 9 28 75.5 10.07 12.78 2.71
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Gaia DR2 1793740318912476416