17559+3326 HO   72AC

 
 
17H 55M 50.03S +33 25' 14.3" P.A. 38 SEP 11.1 MAG 10.20,14.40 SP K7 DIST. 25.39 PC (82.82 L.Y.)
 
 
Coord 2000
17559+3326
Discov num
HO   72
Comp
AC
Coord arcsec 2000
17 55 50.03 +33 25 14.3
Date first
1883
Date last
2007
Obs
17
Pa first
38
Pa last
38
P.A. Now (θ)
38°
Sep first
9.3
Sep last
11.1
Sep. Now (ρ)
11.1"
Mag pri
10.20
Mag sec
14.40
delta mag (ΔM)
4.2
Spectral class
K7 (yellow-orange)
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
-231
Sec motion dec
-267
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
17559+3326 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17559+3326 HO 72 AB 1885 2007 22 359 31.9 10.20 12.90 2.70
Show 17559+3326 HO 72 AC 1883 2007 17 38 11.1 10.20 14.40 4.20 <===
Show 17559+3326 HO 72 AD 1949 2002 4 45 153.4 10.20 13.20 3.00
Show 17559+3326 HO 72 BC 1899 2003 11 162 23.0 12.90 14.40 1.50
Show 17559+3326 HO 72 BD 1911 2002 5 56 134.4 12.90 13.20 0.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
HIP
87773
BD
BD+33 2990
Distance
25.39
Distance ly
82.82
last precise pa
38.4
last precise sep
11.07