21307+4435 ES 1336

 
 
21h 30m 43.89s +44° 36' 01.0" P.A. 346.00 sep 4.8 mag 10.46,15.00
 
 
Coord 2000 21307+4435 Discov num ES 1336 Comp Coord arcsec 2000 21 30 43.89 +44 36 01.0
Date first 1914 Date last 2015 Obs 3
Pa first 340 Pa last 345.8 P.A. Now (θ) 345.8°
Sep first 3.7 Sep last 4.802 Sep. Now (ρ) 4.802"
Mag pri 10.46 Mag sec 15.00 delta mag (ΔM) 4.54 Spectral class
Pri motion ra +001 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3195-00791-1 Gaia DR2 1971005645144540544