20228+5325 STF 2681 AD

 
 
20h 22m 49.54s +53° 25' 02.8" P.A. 166.00 sep 42.0 mag 7.97,11.80 Sp A0V dist. 448.43 pc (1462.78 l.y.)
 
 
Coord 2000 20228+5325 Discov num STF2681 Comp AD Coord arcsec 2000 20 22 49.54 +53 25 02.8
Date first 1842 Date last 2015 Obs 15
Pa first 172 Pa last 165.6 P.A. Now (θ) 165.6°
Sep first 44.4 Sep last 42.045 Sep. Now (ρ) 42.045"
Mag pri 7.97 Mag sec 11.80 delta mag (ΔM) 3.83 Spectral class A0V (white)
Pri motion ra +013 Sec motion ra +036
Pri motion dec +018 Sec motion dec +031
Notes
rPM=0.556
Nature of this double is uncertain.
 
 
20228+5325 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194354 32516 20 22 50 +53 25 03 STF 2681 AB 2015 25 39 6.8 7.97 10.61 2.64
Show 32516 20 22 50 +53 25 03 STF 2681 AC 2015 31 199 38.2 7.97 8.89 0.92
Show 32516 20 22 50 +53 25 03 STF 2681 AD 2015 15 166 42.0 7.97 11.80 3.83 <===
Show 32515 20 22 48 +53 24 26 STF 2681 CD 2015 22 101 23.3 8.89 11.80 2.91
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32516 HIP 100507 Tycho2 3937-00396-1
Gaia DR2 2184841484003227136 HD 194354 BD BD+52 2694 Distance 448.43
Distance ly 1462.78