17559+3326 HO   72BD

 
 
17H 55M 49.98S +33 25' 44.6" P.A. 56 SEP 134.4 MAG 12.90,13.20 SP K7 DIST. 25.39 PC (82.82 L.Y.)
 
 
Coord 2000
17559+3326
Discov num
HO   72
Comp
BD
Coord arcsec 2000
17 55 49.98 +33 25 44.6
Date first
1911
Date last
2002
Obs
5
Pa first
56
Pa last
56
P.A. Now (θ)
56°
Sep first
134.2
Sep last
134.4
Sep. Now (ρ)
134.4"
Mag pri
12.90
Mag sec
13.20
delta mag (ΔM)
0.3
Spectral class
K7 (yellow-orange)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
56
last precise sep
134.429