21542+5220 SKF 2554

 
 
21h 54m 11.29s +52° 19' 55.8" P.A. 108.00 sep 16.8 mag 8.21,13.00 Sp F2 dist. 161.55 pc (526.98 l.y.)
 
 
Coord 2000 21542+5220 Discov num SKF2554 Comp Coord arcsec 2000 21 54 11.29 +52 19 55.8
Date first 2000 Date last 2015 Obs 8
Pa first 108 Pa last 107.5 P.A. Now (θ) 107.5°
Sep first 16.9 Sep last 16.753 Sep. Now (ρ) 16.753"
Mag pri 8.21 Mag sec 13.00 delta mag (ΔM) 4.79 Spectral class F2 (yellow-white)
Pri motion ra +053 Sec motion ra +059
Pri motion dec +019 Sec motion dec +019
Notes
rPM=0.097 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 33850 HIP 108104 Tycho2 3616-01688-1
Gaia DR2 1981312810723279872 HD 208326 BD BD+51 3183 Distance 161.55
Distance ly 526.98