17386+2219 COU 316BC

 
 
17h 38m 33.89s +22 18' 27.0" P.A. 281 sep 1.8 mag 11.70,11.90
 
 
Coord 2000
17386+2219
Discov num
COU 316
Comp
BC
Coord arcsec 2000
17 38 33.89 +22 18 27.0
Date first
1968
Date last
1968
Obs
1
Pa first
281
Pa last
281
P.A. Now (θ)
281°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.70
Mag sec
11.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17386+2219 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17386+2219 COU 316 AB 1894 1999 4 188 34.2 11.00 11.70 0.70
Show 17386+2219 COU 316 BC 1968 1968 1 281 1.8 11.70 11.90 0.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
280.9
Precise sep
1.76
Cdsa2 id
COU 316 BC
Constellation
Hercules
Ra deg
17.642747222222223
De deg
22.3075
last precise pa
280.9
last precise sep
1.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17386+2219 COU 316 BC 1968 1 281 1.8 11.70 11.90 173833.89+221827.0

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