21448+4931 ARG 43 BC

 
 
21h 44m 46.06s +49° 31' 13.5" P.A. 91.00 sep 6.9 mag 9.01,14.00 Sp A2 dist. 33333.33 pc (108733.32 l.y.)
 
 
Coord 2000 21448+4931 Discov num ARG  43 Comp BC Coord arcsec 2000 21 44 46.06 +49 31 13.5
Date first 1904 Date last 2018 Obs 10
Pa first 88 Pa last 91.3 P.A. Now (θ) 91.3°
Sep first 6.7 Sep last 6.861 Sep. Now (ρ) 6.861"
Mag pri 9.01 Mag sec 14.00 delta mag (ΔM) 4.99 Spectral class A2 (white)
Pri motion ra +010 Sec motion ra +027
Pri motion dec +003 Sec motion dec -001
Notes
rPM=0.646
Nature of this double is uncertain.
 
 
21448+4931 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207020 51250 21 44 45 +49 30 46 ARG 43 AB 2018 21 20 29.2 8.63 9.01 0.38
Show 21 44 46 +49 31 14 ARG 43 BC 2018 10 91 6.9 9.01 14.00 4.99 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 107364 Tycho2 3599-02366-1 Gaia DR2 1978951609515342080
BD BD+48 3492 Distance 33333.33 Distance ly 108733.32