20120+3454 SEI 987

 
 
20h 12m 01.45s +34 54' 05.1" P.A. 336.00 sep 23.2 mag 11.40,12.26 Sp A2
 
 
Coord 2000 20120+3454 Discov num SEI 987 Comp Coord arcsec 2000 20 12 01.45 +34 54 05.1
Date first 1896 Date last 2015 Obs 12
Pa first 336 Pa last 336.1 P.A. Now (θ) 336.1°
Sep first 23.7 Sep last 23.235 Sep. Now (ρ) 23.235"
Mag pri 11.40 Mag sec 12.26 delta mag (ΔM) 0.86 Spectral class A2 (white)
Pri motion ra +000 Sec motion ra +001
Pri motion dec -002 Sec motion dec -002
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2679-02013-1 Gaia DR2 2055751912613118208