21429+2152 HJ 1683 AC

 
 
21h 42m 55.32s +21° 52' 06.5" P.A. 315.00 sep 27.3 mag 10.07,11.46 Sp F9V
 
 
Coord 2000 21429+2152 Discov num HJ 1683 Comp AC Coord arcsec 2000 21 42 55.32 +21 52 06.5
Date first 1892 Date last 2015 Obs 20
Pa first 310 Pa last 315.4 P.A. Now (θ) 315.4°
Sep first 25.6 Sep last 27.252 Sep. Now (ρ) 27.252"
Mag pri 10.07 Mag sec 11.46 delta mag (ΔM) 1.39 Spectral class F9V (yellow-white)
Pri motion ra +010 Sec motion ra +014
Pri motion dec -016 Sec motion dec +006
Notes L (Linear solution)
rPM=1.185
This double is not 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 Tycho2 1677-00293-1 Gaia DR2 1793740318912476416 DM BD+21 4605