20537+2116 J 2327 AB

 
 
20h 53m 39.63s +21° 15' 43.2" P.A. 48.00 sep 68.4 mag 8.29,13.50 Sp F0 dist. 246.91 pc (805.42 l.y.)
 
 
Coord 2000 20537+2116 Discov num J  2327 Comp AB Coord arcsec 2000 20 53 39.63 +21 15 43.2
Date first 1942 Date last 2015 Obs 7
Pa first 50 Pa last 47.9 P.A. Now (θ) 47.9°
Sep first 70.0 Sep last 68.387 Sep. Now (ρ) 68.387"
Mag pri 8.29 Mag sec 13.50 delta mag (ΔM) 5.21 Spectral class F0 (yellow-white)
Pri motion ra -009 Sec motion ra +002
Pri motion dec -042 Sec motion dec +019
Notes
rPM=1.443
This double is not physical.
 
 
20537+2116 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 89247 20 53 40 +21 15 43 J 2327 AB 2015 7 48 68.4 8.29 13.50 5.21 <===
Show 89247 20 53 40 +21 15 43 KPP 3429 AD 2015 8 9 32.9 8.29 13.80 5.51
Show 20 53 43 +21 16 28 J 2327 BC 2015 8 175 4.4 13.50 14.00 0.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 89247 HIP 103123 Tycho2 1659-01384-1
Gaia DR2 1838674026246899584 HD 199022 BD BD+20 4754 Distance 246.91
Distance ly 805.42