17559+3326 HO   72AB

 
 
17h 55m 50.03s +33 25' 14.3" P.A. 359 sep 31.9 mag 10.20,12.90 Sp K7 dist. 25.39 pc (82.82 l.y.)
 
 
Coord 2000
17559+3326
Discov num
HO   72
Comp
AB
Coord arcsec 2000
17 55 50.03 +33 25 14.3
Date first
1885
Date last
2007
Obs
22
Pa first
8
Pa last
359
P.A. Now (θ)
359°
Sep first
3.2
Sep last
31.9
Sep. Now (ρ)
31.9"
Mag pri
10.20
Mag sec
12.90
delta mag (ΔM)
2.7
Spectral class
K7 (yellow-orange)
Pri motion ra
+012
Sec motion ra
-008
Pri motion dec
-231
Sec motion dec
-002
Notes
L (Linear solution)
rPM=0.994
This double is not 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
 
 
Precise pa
359
Precise sep
31.91
Constellation
Hercules
HIP
87773
BD
BD+33 2990
Distance
25.39
Distance ly
82.82
last precise pa
359
last precise sep
31.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17559+3326 HO 72 AB 2007 21 359 31.9 10.16 12.70 K7 LD 175550.03+332516.4

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