17478+1557 TOB 268AC

 
 
17H 47M 46.16S +15 56' 51.1" P.A. 253 SEP 70 MAG 9.40,10.28 SP M0
 
 
Coord 2000
17478+1557
Discov num
TOB 268
Comp
AC
Coord arcsec 2000
17 47 46.16 +15 56 51.1
Date first
1896
Date last
2001
Obs
10
Pa first
255
Pa last
253
P.A. Now (θ)
253°
Sep first
68.8
Sep last
70.0
Sep. Now (ρ)
70"
Mag pri
9.40
Mag sec
10.28
delta mag (ΔM)
0.88
Spectral class
M0 (red)
Pri motion ra
-006
Sec motion ra
-012
Pri motion dec
-003
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
17478+1557 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 103114 17478+1557 TOB 268 AB 1896 2010 11 116 24.1 9.40 10.05 0.65
Show 103114 17478+1557 TOB 268 AC 1896 2001 10 253 70.0 9.40 10.28 0.88 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
103114
Tycho2
1552-02010-1
last precise pa
253.4
last precise sep
70.021