17387+1834 BUP 177AB

 
 
17H 38M 41.82S +18 33' 42.0" P.A. 266 SEP 271.6 MAG 9.64,11.35 SP K5
 
 
Coord 2000
17387+1834
Discov num
BUP 177
Comp
AB
Coord arcsec 2000
17 38 41.82 +18 33 42.0
Date first
1895
Date last
2001
Obs
9
Pa first
265
Pa last
266
P.A. Now (θ)
266°
Sep first
267.3
Sep last
271.6
Sep. Now (ρ)
271.6"
Mag pri
9.64
Mag sec
11.35
delta mag (ΔM)
1.71
Spectral class
K5 (yellow-orange)
Pri motion ra
+056
Sec motion ra
+010
Pri motion dec
-102
Sec motion dec
-024
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
 
 
Constellation
Hercules
SAO
102995
Tycho2
1555-00337-1
last precise pa
265.9
last precise sep
271.627