17525+1530 WLY  20AC

 
 
17h 52m 30.76s +15 31' 31.0" P.A. 122 sep 38.2 mag 11.90,12.47
 
 
Coord 2000
17525+1530
Discov num
WLY  20
Comp
AC
Coord arcsec 2000
17 52 30.76 +15 31 31.0
Date first
1896
Date last
2006
Obs
4
Pa first
123
Pa last
122
P.A. Now (θ)
122°
Sep first
41.2
Sep last
38.2
Sep. Now (ρ)
38.2"
Mag pri
11.90
Mag sec
12.47
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+067
Sec motion ra
-001
Pri motion dec
-029
Sec motion dec
+008
Notes
N (See Notes)
rPM=1.06
This double is not physical.
 
 
17525+1530 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17525+1530 L 17 AB 1902 2006 11 288 2.2 10.50 11.20 0.70
Show 17525+1530 WLY 20 AC 1896 2006 4 122 38.2 11.90 12.47 0.57 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.9
Precise sep
38.21
Constellation
Hercules
Tycho2
1553-00204-1
last precise pa
121.6
last precise sep
38.103
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17525+1530 WLY 20 AC 2006 3 122 38.2 10.50 11.30 N D 175230.76+153131.0

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