17387+1834 BUP 177BC

 
 
17h 38m 22.78s +18 33' 22.4" P.A. 272 sep 102.3 mag 11.35,9.79
 
 
Coord 2000
17387+1834
Discov num
BUP 177
Comp
BC
Coord arcsec 2000
17 38 22.78 +18 33 22.4
Date first
1895
Date last
2001
Obs
6
Pa first
286
Pa last
272
P.A. Now (θ)
272°
Sep first
84.4
Sep last
102.3
Sep. Now (ρ)
102.3"
Mag pri
11.35
Mag sec
9.79
delta mag (ΔM)
1.56
Spectral class
Pri motion ra
+010
Sec motion ra
-189
Pri motion dec
-024
Sec motion dec
-205
Notes
N (See Notes)
rPM=0.965
This double is not physical.
 
 
17387+1834 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 102995 17387+1834 BUP 177 AB 1895 2001 9 266 271.6 9.64 11.35 1.71
Show 102995 17387+1834 BUP 177 AC 1875 2005 13 269 374.3 9.64 9.79 0.15
Show 17387+1834 BUP 177 BC 1895 2001 6 272 102.3 11.35 9.79 1.56 <===
Show 102986 17387+1834 OSO 82 CD 1994 1994 2 202 9.9 9.77 18.05 8.28
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271.5
Precise sep
102.28
Cdsa2 id
BUP 177 BC
Constellation
Hercules
Tycho2
1555-00119-1
Ra deg
17.63966111111111
De deg
18.556222222222225
last precise pa
271.5
last precise sep
102.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17387+1834 BUP 177 BC 1999 5 272 101.9 11.35 9.79 D 173822.78+183322.4
17387+1834 BUP 177 BC 2001 6 272 102.3 11.35 9.79 N D 173822.78+183322.4

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