21125+4552 ES 1273 AB

 
 
21h 12m 29.35s +45° 51' 36.2" P.A. 295.00 sep 23.1 mag 7.93,13.50 Sp G5 dist. 485.44 pc (1583.51 l.y.)
 
 
Coord 2000 21125+4552 Discov num ES 1273 Comp AB Coord arcsec 2000 21 12 29.35 +45 51 36.2
Date first 1913 Date last 2015 Obs 8
Pa first 290 Pa last 295.3 P.A. Now (θ) 295.3°
Sep first 24.0 Sep last 23.099 Sep. Now (ρ) 23.099"
Mag pri 7.93 Mag sec 13.50 delta mag (ΔM) 5.57 Spectral class G5 (yellow)
Pri motion ra +000 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21125+4552 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50570 21 12 29 +45 51 36 ES 1273 AB 2015 8 295 23.1 7.93 13.50 5.57 <===
Show 50570 21 12 29 +45 51 36 ES 1273 AC 2015 5 7 37.7 8.87 13.27 4.40
Show 21 12 30 +45 52 14 ES 1273 CD 2015 5 69 3.7 12.40 12.90 0.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50570 HIP 104697 Tycho2 3589-05789-1
Gaia DR2 2164085762505012352 HD 202144 BD BD+45 3446 Distance 485.44
Distance ly 1583.51