20425+4916 ARG  39BD

 
 
20H 42M 29.85S +49 15' 45.7" P.A. 240 SEP 21.4 MAG 8.93,14.30 SP K0
 
 
Coord 2000
20425+4916
Discov num
ARG  39
Comp
BD
Coord arcsec 2000
20 42 29.85 +49 15 45.7
Date first
1907
Date last
2013
Obs
6
Pa first
232
Pa last
240
P.A. Now (θ)
240°
Sep first
33.5
Sep last
21.4
Sep. Now (ρ)
21.4"
Mag pri
8.93
Mag sec
14.30
delta mag (ΔM)
5.37
Spectral class
K0 (yellow-orange)
Pri motion ra
-080
Sec motion ra
-006
Pri motion dec
-101
Sec motion dec
-001
Notes
N (See Notes)
rPM=0.966
This double is not physical.
 
 
20425+4916 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49964 20425+4916 ARG 39 AB 1899 2015 62 183 15.1 8.42 8.93 0.51
Show 49964 20425+4916 ARG 39 AF 1909 2013 5 259 34.2 8.42 14.00 5.58
Show 49964 20425+4916 ARG 39 AG 1909 2013 5 342 52.2 8.42 13.64 5.22
Show 49965 20425+4916 ARG 39 BC 1906 2013 9 102 34.8 8.93 13.32 4.39
Show 49965 20425+4916 ARG 39 BD 1907 2013 6 240 21.4 8.93 14.30 5.37 <===
Show 49965 20425+4916 ARG 39 BE 1909 2013 4 55 43.0 8.93 15.00 6.07
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
49965
Tycho2
3582-02133-1
last precise pa
239.9
last precise sep
21.411