20121+3710 SEI 995

 
 
20h 12m 07.29s +37 09' 33.1" P.A. 44.00 sep 23.2 mag 9.50,11.00
 
 
Coord 2000 20121+3710 Discov num SEI 995 Comp Coord arcsec 2000 20 12 07.29 +37 09 33.1
Date first 1896 Date last 2015 Obs 10
Pa first 44 Pa last 44 P.A. Now (θ) 44°
Sep first 23.5 Sep last 23.16 Sep. Now (ρ) 23.16"
Mag pri 9.50 Mag sec 11.00 delta mag (ΔM) 1.5 Spectral class
Pri motion ra -003 Sec motion ra -008
Pri motion dec -007 Sec motion dec -006
Notes
rPM=0.51
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2683-00677-1 Gaia DR2 2060760359880313344