16476+2538 WEI  31AB

 
 
16h 47m 35.08s +25 38' 21.6" P.A. 316 sep 4.9 mag 9.94,10.12
 
 
Coord 2000
16476+2538
Discov num
WEI  31
Comp
AB
Coord arcsec 2000
16 47 35.08 +25 38 21.6
Date first
1879
Date last
2012
Obs
42
Pa first
319
Pa last
316
P.A. Now (θ)
316°
Sep first
4.8
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.94
Mag sec
10.12
delta mag (ΔM)
0.18
Spectral class
Pri motion ra
+013
Sec motion ra
+007
Pri motion dec
-014
Sec motion dec
-010
Notes
rPM=0.377
Nature of this double is uncertain.
 
 
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
 
 
Precise pa
316.1
Precise sep
4.873
Constellation
Hercules
Tycho2
2062-00344-1
last precise pa
316.1
last precise sep
4.873
 
 
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 AB 1999 34 311 4.3 9.94 10.12 D 164735.08+253821.6
16476+2538 WEI 31 AB 2009 35 317 4.9 9.94 10.12 D 164735.08+253821.6
16476+2538 WEI 31 AB 2010 37 317 4.8 9.94 10.12 D 164735.08+253821.6
16476+2538 WEI 31 AB 2012 38 316 4.9 9.94 10.12 D 164735.08+253821.6

If you need more information about this double, apply for a data request form to the WDS.