21556+2823 MLB 577 AB

 
 
21h 55m 37.48s +28° 23' 29.6" P.A. 300.00 sep 48.8 mag 10.57,12.41 Sp F0
 
 
Coord 2000 21556+2823 Discov num MLB 577 Comp AB Coord arcsec 2000 21 55 37.48 +28 23 29.6
Date first 1899 Date last 2014 Obs 9
Pa first 301 Pa last 299.9 P.A. Now (θ) 299.9°
Sep first 47.0 Sep last 48.786 Sep. Now (ρ) 48.786"
Mag pri 10.57 Mag sec 12.41 delta mag (ΔM) 1.84 Spectral class F0 (yellow-white)
Pri motion ra +003 Sec motion ra -006
Pri motion dec -013 Sec motion dec -007
Notes
rPM=0.811
This double is not physical.
 
 
21556+2823 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 55 37 +28 23 30 MLB 577 AB 2014 9 300 48.8 10.57 12.41 1.84 <===
Show 21 55 34 +28 23 54 MLB 577 BC 2015 8 18 6.4 11.10 12.60 1.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 2215-00112-1 Gaia DR2 1896146113207996544