17557+4626 BAR  43AC

 
 
17H 55M 39.95S +46 25' 31.8" P.A. 313 SEP 33.4 MAG 10.21,11.43 SP A5
 
 
Coord 2000
17557+4626
Discov num
BAR  43
Comp
AC
Coord arcsec 2000
17 55 39.95 +46 25 31.8
Date first
1893
Date last
2015
Obs
9
Pa first
316
Pa last
313
P.A. Now (θ)
313°
Sep first
32.7
Sep last
33.4
Sep. Now (ρ)
33.4"
Mag pri
10.21
Mag sec
11.43
delta mag (ΔM)
1.22
Spectral class
A5 (white)
Pri motion ra
+005
Sec motion ra
-009
Pri motion dec
+002
Sec motion dec
+000
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
313.1
last precise sep
33.4