17387+1840 SLO   1AC

 
 
17h 38m 39.15s +18 40' 03.5" P.A. 149 sep 146 mag 11.12,11.94
 
 
Coord 2000
17387+1840
Discov num
SLO   1
Comp
AC
Coord arcsec 2000
17 38 39.15 +18 40 03.5
Date first
1895
Date last
2001
Obs
7
Pa first
149
Pa last
149
P.A. Now (θ)
149°
Sep first
145.6
Sep last
146.0
Sep. Now (ρ)
146"
Mag pri
11.12
Mag sec
11.94
delta mag (ΔM)
0.82
Spectral class
Pri motion ra
+008
Sec motion ra
-002
Pri motion dec
+004
Sec motion dec
-006
Notes
N (See Notes)
rPM=1.581
This double is not physical.
 
 
17387+1840 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17387+1840 SLO 1 AB 1912 1991 2 219 1.7 11.69 12.30 0.61
Show 17387+1840 SLO 1 AC 1895 2001 7 149 146.0 11.12 11.94 0.82 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.1
Precise sep
146.041
Constellation
Hercules
Tycho2
1555-01013-1
last precise pa
149.1
last precise sep
146.041
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17387+1840 SLO 1 AC 2000 2 149 146.2 11.50 12.20 173808.57+184000.0
17387+1840 SLO 1 AC 2001 7 149 146.0 11.12 11.94 N 173839.15+184003.5

If you need more information about this double, apply for a data request form to the WDS.