18554+1331 FOX9032AD

 
 
18h 55m 26.45s +13 31' 06.8" P.A. 87 sep 37.5 mag 9.95,13.75 Sp B9
 
 
Coord 2000
18554+1331
Discov num
FOX9032
Comp
AD
Coord arcsec 2000
18 55 26.45 +13 31 06.8
Date first
1913
Date last
2001
Obs
3
Pa first
87
Pa last
87
P.A. Now (θ)
87°
Sep first
38.0
Sep last
37.5
Sep. Now (ρ)
37.5"
Mag pri
9.95
Mag sec
13.75
delta mag (ΔM)
3.8
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
+000
Pri motion dec
-006
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.632
Nature of this double is uncertain.
 
 
18554+1331 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18554+1331 BU 647 AB 1877 2016 18 6 1.3 9.95 10.66 0.71
Show 18554+1331 BU 647 AC 1877 2016 26 218 18.5 9.95 10.27 0.32
Show 18554+1331 FOX9032 AD 1913 2001 3 87 37.5 9.95 13.75 3.80 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.1
Precise sep
37.483
Constellation
Hercules
last precise pa
87.1
last precise sep
37.483
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18554+1331 FOX9032 AD 2000 2 87 37.6 9.95 13.60 185526.45+133106.8
18554+1331 FOX9032 AD 2001 4 87 37.5 9.95 13.60 N D 185526.45+133106.8

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