17478+1557 TOB 268AB

 
 
17h 47m 46.16s +15 56' 51.1" P.A. 116 sep 24.1 mag 9.40,10.05 Sp M0
 
 
Coord 2000
17478+1557
Discov num
TOB 268
Comp
AB
Coord arcsec 2000
17 47 46.16 +15 56 51.1
Date first
1896
Date last
2010
Obs
11
Pa first
120
Pa last
116
P.A. Now (θ)
116°
Sep first
23.1
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
9.40
Mag sec
10.05
delta mag (ΔM)
0.65
Spectral class
M0 (red)
Pri motion ra
-006
Sec motion ra
+013
Pri motion dec
-003
Sec motion dec
+008
Notes
rPM=1.438
This double is not physical.
 
 
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
 
 
Precise pa
115.6
Precise sep
24.1
Constellation
Hercules
SAO
103114
Tycho2
1552-02010-1
last precise pa
115.6
last precise sep
24.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17478+1557 TOB 268 AB 1998 9 116 23.8 9.40 10.05 D 174746.16+155651.1
17478+1557 TOB 268 AB 2010 10 116 24.1 9.40 10.05 D 174746.16+155651.1

If you need more information about this double, apply for a data request form to the WDS.