21092+3620 COU 1815

 
 
21h 09m 13.21s +36° 20' 49.9" P.A. 100.00 sep 0.4 mag 10.50,10.50 Sp A0V
 
 
Coord 2000 21092+3620 Discov num COU1815 Comp Coord arcsec 2000 21 09 13.21 +36 20 49.9
Date first 1978 Date last 2011 Obs 7
Pa first 98 Pa last 99.5 P.A. Now (θ) 99.5°
Sep first 0.4 Sep last 0.359 Sep. Now (ρ) 0.359"
Mag pri 10.50 Mag sec 10.50 delta mag (ΔM) 0 Spectral class A0V (white)
Pri motion ra +001 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2714-01776-1