20120+3640 SEI 989

 
 
20h 12m 01.13s +36 40' 00.1" P.A. 153.00 sep 29.4 mag 11.27,11.41
 
 
Coord 2000 20120+3640 Discov num SEI 989 Comp Coord arcsec 2000 20 12 01.13 +36 40 00.1
Date first 1896 Date last 2015 Obs 11
Pa first 152 Pa last 153.2 P.A. Now (θ) 153.2°
Sep first 29.6 Sep last 29.444 Sep. Now (ρ) 29.444"
Mag pri 11.27 Mag sec 11.41 delta mag (ΔM) 0.14 Spectral class
Pri motion ra -003 Sec motion ra -012
Pri motion dec -006 Sec motion dec -008
Notes
rPM=0.639
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-03279-1 Gaia DR2 2060686005403805952