16476+2538 WEI  31BC

 
 
16h 47m 34.83s +25 38' 25.2" P.A. 251 sep 28.6 mag 10.12,11.21
 
 
Coord 2000
16476+2538
Discov num
WEI  31
Comp
BC
Coord arcsec 2000
16 47 34.83 +25 38 25.2
Date first
1879
Date last
2010
Obs
17
Pa first
243
Pa last
251
P.A. Now (θ)
251°
Sep first
25.4
Sep last
28.6
Sep. Now (ρ)
28.6"
Mag pri
10.12
Mag sec
11.21
delta mag (ΔM)
1.09
Spectral class
Pri motion ra
+007
Sec motion ra
-023
Pri motion dec
-010
Sec motion dec
+010
Notes
rPM=1.438
This double is not physical.
 
 
16476+2538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16476+2538 WEI 31 AB 1879 2012 42 316 4.9 9.94 10.12 0.18
Show 16476+2538 WEI 31 AC 1899 2010 14 259 31.0 9.94 11.21 1.27
Show 16476+2538 WEI 31 BC 1879 2010 17 251 28.6 10.12 11.21 1.09 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2062-00344-2
last precise pa
250.9
last precise sep
28.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16476+2538 WEI 31 BC 1999 15 250 28.4 10.12 11.21 D 164734.83+253825.2
16476+2538 WEI 31 BC 2010 16 251 28.6 10.12 11.21 D 164734.83+253825.2

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