17439+4323 BWL  47AB

 
 
17H 43M 55.96S +43 22' 41.0" P.A. 290 SEP 2.8 MAG 6.22,19.50 SP M2.5 DIST. 9.48 PC (30.92 L.Y.)
 
 
Coord 2000
17439+4323
Discov num
BWL  47
Comp
AB
Coord arcsec 2000
17 43 55.96 +43 22 41.0
Date first
2011
Date last
2012
Obs
2
Pa first
280
Pa last
290
P.A. Now (θ)
290°
Sep first
2.6
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
6.22
Mag sec
19.50
delta mag (ΔM)
13.28
Spectral class
M2.5 (red)
Pri motion ra
+010
Sec motion ra
Pri motion dec
-603
Sec motion dec
Notes
U K (Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
17439+4323 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17439+4323 BWL 47 AB 2011 2012 2 290 2.8 6.22 19.50 13.28 <===
Show 17439+4323 BWL 47 AC 2012 2012 1 314 9.2 6.22 18.30 12.08
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
HIP
86776
Tycho2
3100-01810-1
GL
Gl 694
BD
BD+43 2796
Distance
9.48
Distance ly
30.92
last precise pa
289.5
last precise sep
2.812