17557+4626 BAR  43AB

 
 
17H 55M 39.95S +46 25' 31.8" P.A. 257 SEP 2.1 MAG 10.21,13.30 SP A5
 
 
Coord 2000
17557+4626
Discov num
BAR  43
Comp
AB
Coord arcsec 2000
17 55 39.95 +46 25 31.8
Date first
1921
Date last
2000
Obs
3
Pa first
78
Pa last
257
P.A. Now (θ)
257°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
10.21
Mag sec
13.30
delta mag (ΔM)
3.09
Spectral class
A5 (white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17557+4626 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17557+4626 BAR 43 AB 1921 2000 3 257 2.1 10.21 13.30 3.09 <===
Show 17557+4626 BAR 43 AC 1893 2015 9 313 33.4 10.21 11.43 1.22
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
3511-00887-1
last precise pa
257.4
last precise sep
2.13