20131+3209 FYM  76BD

 
 
20H 13M 02.75S +32 08' 40.5" P.A. 50 SEP 17.7 MAG 10.98,12.76
 
 
Coord 2000
20131+3209
Discov num
FYM  76
Comp
BD
Coord arcsec 2000
20 13 02.75 +32 08 40.5
Date first
1933
Date last
2013
Obs
4
Pa first
45
Pa last
50
P.A. Now (θ)
50°
Sep first
16.7
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
10.98
Mag sec
12.76
delta mag (ΔM)
1.78
Spectral class
Pri motion ra
+010
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20131+3209 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20131+3209 TDT2096 Aa,Ab 1991 1991 1 16 1.2 10.62 11.18 0.56
Show 20131+3209 SEI1008 AB 1893 2012 8 73 20.2 10.62 10.82 0.20
Show 20131+3209 FYM 76 BD 1933 2013 4 50 17.7 10.98 12.76 1.78 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
49.8
last precise sep
17.7