17153+4439 POP 131AB

 
 
17H 15M 16.74S +44 39' 24.4" P.A. 137 SEP 3.8 MAG 12.13,12.80
 
 
Coord 2000
17153+4439
Discov num
POP 131
Comp
AB
Coord arcsec 2000
17 15 16.74 +44 39 24.4
Date first
1892
Date last
2015
Obs
11
Pa first
138
Pa last
137
P.A. Now (θ)
137°
Sep first
3.5
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
12.13
Mag sec
12.80
delta mag (ΔM)
0.67
Spectral class
Pri motion ra
-050
Sec motion ra
-015
Pri motion dec
+031
Sec motion dec
-052
Notes
Nature of this double is uncertain.
 
 
17153+4439 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17153+4439 POP 131 AB 1892 2015 11 137 3.8 12.13 12.80 0.67 <===
Show 17153+4439 POP 131 AC 1892 2015 12 322 27.5 12.13 11.99 0.14
Show 17153+4439 POP 131 AD 1983 2015 8 102 20.2 12.13 13.70 1.57
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
3085-01179-1
last precise pa
136.6
last precise sep
3.8