20379+4757 GUI 33 BC

 
 
20h 37m 52.21s +47° 57' 00.9" P.A. 199.00 sep 76.6 mag 9.45,8.62 dist. 230.41 pc (751.6 l.y.)
 
 
Coord 2000 20379+4757 Discov num GUI  33 Comp BC Coord arcsec 2000 20 37 52.21 +47 57 00.9
Date first 1832 Date last 2015 Obs 30
Pa first 201 Pa last 198.9 P.A. Now (θ) 198.9°
Sep first 77.8 Sep last 76.568 Sep. Now (ρ) 76.568"
Mag pri 9.45 Mag sec 8.62 delta mag (ΔM) 0.83 Spectral class
Pri motion ra -002 Sec motion ra +003
Pri motion dec -004 Sec motion dec +001
Notes
rPM=1.581
This double is not physical.
 
 
20379+4757 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 196808 49879 20 37 51 +47 56 42 STF 2707 AB 2015 34 29 21.8 7.94 9.45 1.51
Show 49879 20 37 51 +47 56 42 STF 2707 AC 2015 35 195 55.3 7.94 8.62 0.68
Show 49879 20 37 51 +47 56 42 ES 2697 AD 2015 7 192 17.5 7.94 14.30 6.36
Show 20 37 52 +47 57 01 GUI 33 BC 2015 30 199 76.6 9.45 8.62 0.83 <===
Show 20 37 50 +47 55 48 HDS 2944 Ca,Cb 2008 3 29 0.4 8.75 12.31 3.56
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 101807 Tycho2 3578-03165-1 Gaia DR2 2167668688623855232
HD 196808 BD BD+47 3153 Distance 230.41 Distance ly 751.6