21564+3001 MLB 721 AB

 
 
21h 56m 21.84s +30° 01' 53.6" P.A. 15.00 sep 1.6 mag 11.35,9.50
 
 
Coord 2000 21564+3001 Discov num MLB 721 Comp AB Coord arcsec 2000 21 56 21.84 +30 01 53.6
Date first 1931 Date last 2016 Obs 7
Pa first 17 Pa last 15.2 P.A. Now (θ) 15.2°
Sep first 1.7 Sep last 1.627 Sep. Now (ρ) 1.627"
Mag pri 11.35 Mag sec 9.50 delta mag (ΔM) 1.85 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21564+3001 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 56 22 +30 01 54 MLB 721 AB 2016 7 15 1.6 11.35 9.50 1.85 <===
Show 21 56 22 +30 01 54 MLB 721 AC 2015 5 200 6.9 11.35 12.00 0.65
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 2719-00306-1 Gaia DR2 1897704430423259136