17525+1530 L    17AB

 
 
17h 52m 30.76s +15 31' 31.0" P.A. 291 sep 2.4 mag 10.50,11.20
 
 
Coord 2000
17525+1530
Discov num
L    17
Comp
AB
Coord arcsec 2000
17 52 30.76 +15 31 31.0
Date first
1902
Date last
2015
Obs
12
Pa first
293
Pa last
291
P.A. Now (θ)
291°
Sep first
2.2
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.50
Mag sec
11.20
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
+067
Sec motion ra
-010
Pri motion dec
-029
Sec motion dec
+005
Notes
N (See Notes)
rPM=1.153
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 2015 12 291 2.4 10.50 11.20 0.70 <===
Show 17525+1530 WLY 20 AC 1896 2015 5 122 38.1 11.90 12.47 0.57
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291.3
Precise sep
2.359
Constellation
Hercules
Tycho2
1553-00204-1
last precise pa
291.3
last precise sep
2.359
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17525+1530 L 17 AB 2006 10 288 2.2 10.50 11.20 175230.76+153131.0
17525+1530 L 17 AB 2015 12 291 2.4 10.50 11.20 N 175230.76+153131.0

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