21124+3810 GUR   9AC

 
 
21H 12M 20.79S +38 10' 02.6" P.A. 113 SEP 16.9 MAG 9.92,13.20
 
 
Coord 2000
21124+3810
Discov num
GUR   9
Comp
AC
Coord arcsec 2000
21 12 20.79 +38 10 02.6
Date first
1998
Date last
2012
Obs
3
Pa first
112
Pa last
113
P.A. Now (θ)
113°
Sep first
17.0
Sep last
16.9
Sep. Now (ρ)
16.9"
Mag pri
9.92
Mag sec
13.20
delta mag (ΔM)
3.28
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21124+3810 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21124+3810 COU1971 AB 1981 2008 2 279 0.6 10.00 13.00 3.00
Show 21124+3810 GUR 9 AC 1998 2012 3 113 16.9 9.92 13.20 3.28 <===
Show 21124+3810 GUR 9 AD 1998 2012 3 65 9.8 9.92 14.90 4.98
Show 21124+3810 GUR 9 AE 1998 2012 3 75 18.5 9.92 15.40 5.48
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
113
last precise sep
16.87