17087+3407 KU  115AB

 
 
17H 08M 42.78S +34 07' 25.2" P.A. 58 SEP 35.6 MAG 9.79,10.31 SP K2
 
 
Coord 2000
17087+3407
Discov num
KU  115
Comp
AB
Coord arcsec 2000
17 08 42.78 +34 07 25.2
Date first
1901
Date last
2014
Obs
13
Pa first
64
Pa last
58
P.A. Now (θ)
58°
Sep first
36.6
Sep last
35.6
Sep. Now (ρ)
35.6"
Mag pri
9.79
Mag sec
10.31
delta mag (ΔM)
0.52
Spectral class
K2 (yellow-orange)
Pri motion ra
+002
Sec motion ra
-019
Pri motion dec
-010
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
17087+3407 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17087+3407 KU 115 AB 1901 2014 13 58 35.6 9.79 10.31 0.52 <===
Show 17087+3407 DAM 857 AC 1998 2002 3 26 8.1 9.79 14.40 4.61
Show 17087+3407 DAM 857 BD 2001 2001 1 148 2.9 9.79 16.60 6.81
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2599-00910-1
last precise pa
58.4
last precise sep
35.63