20308+3749 SEI 1147 AC

 
 
20h 30m 45.51s +37° 48' 58.8" P.A. 286.00 sep 14.5 mag 12.25,12.53
 
 
Coord 2000 20308+3749 Discov num SEI1147 Comp AC Coord arcsec 2000 20 30 45.51 +37 48 58.8
Date first 1895 Date last 2015 Obs 8
Pa first 280 Pa last 285.6 P.A. Now (θ) 285.6°
Sep first 18.7 Sep last 14.462 Sep. Now (ρ) 14.462"
Mag pri 12.25 Mag sec 12.53 delta mag (ΔM) 0.28 Spectral class
Pri motion ra +003 Sec motion ra +035
Pri motion dec -001 Sec motion dec +010
Notes B (Blue magnitudes)
rPM=0.93
This double is not physical.
 
 
20308+3749 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 30 46 +37 48 59 SEI 1146 AB 2015 9 42 10.2 12.25 12.27 0.02
Show 20 30 46 +37 48 59 SEI 1147 AC 2015 8 286 14.5 12.25 12.53 0.28 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2063852182251302656