17591+1613 J  1135CD

 
 
18H 00M 25.66S +16 13' 35.4" P.A. 32 SEP 8 MAG 10.20,14.50
 
 
Coord 2000
17591+1613
Discov num
J  1135
Comp
CD
Coord arcsec 2000
18 00 25.66 +16 13 35.4
Date first
1915
Date last
2001
Obs
5
Pa first
29
Pa last
32
P.A. Now (θ)
32°
Sep first
7.5
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
10.20
Mag sec
14.50
delta mag (ΔM)
4.3
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17591+1613 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17591+1613 J 1135 AB 1915 2001 5 175 6.6 9.81 12.80 2.99
Show 17591+1613 J 1135 AC 1915 2001 7 194 27.1 12.19 11.66 0.53
Show 17591+1613 J 1135 CD 1915 2001 5 32 8.0 10.20 14.50 4.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1554-00394-1
last precise pa
31.9
last precise sep
8.046