17591+1613 J  1135CD

 
 
18h 00m 25.66s +16 13' 35.4" P.A. 37 sep 7.9 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
2015
Obs
6
Pa first
29
Pa last
37
P.A. Now (θ)
37°
Sep first
7.5
Sep last
7.9
Sep. Now (ρ)
7.9"
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 2015 6 174 6.7 9.81 12.80 2.99
Show 17591+1613 J 1135 AC 1915 2015 8 194 26.9 12.19 11.66 0.53
Show 17591+1613 J 1135 CD 1915 2015 6 37 7.9 10.20 14.50 4.30 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.3
Precise sep
7.928
Constellation
Hercules
Tycho2
1554-00394-1
Gaia DR2
21410110336
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17591+1613 J 1135 CD 2001 3 32 8.0 10.20 14.50 175960.00+161300.0
17591+1613 J 1135 CD 2015 6 37 7.9 10.20 14.50 180025.66+161335.4

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