17224+2056 COU 201AB

 
 
17H 22M 24.79S +20 56' 03.7" P.A. 254 SEP 0.5 MAG 9.23,10.11 SP K0
 
 
Coord 2000
17224+2056
Discov num
COU 201
Comp
AB
Coord arcsec 2000
17 22 24.79 +20 56 03.7
Date first
1967
Date last
2008
Obs
12
Pa first
259
Pa last
254
P.A. Now (θ)
254°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.23
Mag sec
10.11
delta mag (ΔM)
0.88
Spectral class
K0 (yellow-orange)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
17224+2056 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85043 17224+2056 COU 201 AB 1967 2008 12 254 0.5 9.23 10.11 0.88 <===
Show 85043 17224+2056 COU 201 AC 1967 2001 3 301 10.3 9.23 13.00 3.77
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
85043
Tycho2
1549-00085-1
HD
157430
last precise pa
254.3
last precise sep
0.521