21054+4256 ES 1579

 
 
21h 05m 26.94s +42° 55' 48.3" P.A. 273.00 sep 4.3 mag 10.06,12.70
 
 
Coord 2000 21054+4256 Discov num ES 1579 Comp Coord arcsec 2000 21 05 26.94 +42 55 48.3
Date first 1916 Date last 2016 Obs 6
Pa first 270 Pa last 273.2 P.A. Now (θ) 273.2°
Sep first 3.5 Sep last 4.34 Sep. Now (ρ) 4.34"
Mag pri 10.06 Mag sec 12.70 delta mag (ΔM) 2.64 Spectral class
Pri motion ra +014 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3176-00041-1 Gaia DR2 1969746532528496640