17433+4345 D    16BC

 
 
17h 43m 19.87s +43 44' 36.1" P.A. 150 sep 0.9 mag 10.15,11.60 Sp K
 
 
Coord 2000
17433+4345
Discov num
D    16
Comp
BC
Coord arcsec 2000
17 43 19.87 +43 44 36.1
Date first
1863
Date last
2015
Obs
22
Pa first
143
Pa last
150
P.A. Now (θ)
150°
Sep first
1.5
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.15
Mag sec
11.60
delta mag (ΔM)
1.45
Spectral class
K (yellow-orange)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17433+4345 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 46907 17433+4345 STF2214 AB 1830 2015 33 212 19.7 9.61 10.15 0.54
Show 46907 17433+4345 D 16 BC 1863 2015 22 150 0.9 10.15 11.60 1.45 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.9
Precise sep
0.9
Constellation
Hercules
SAO
46907
Tycho2
3100-01599-1
last precise pa
149.9
last precise sep
0.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17433+4345 D 16 BC 1969 19 150 1.2 10.15 11.60 K 174319.87+434436.1
17433+4345 D 16 BC 2010 21 147 1.0 10.15 11.60 K 174319.87+434436.1
17433+4345 D 16 BC 2015 22 150 0.9 10.15 11.60 K 174319.87+434436.1

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