18454-0314 A    90

 
 
18h 45m 26.77s -03 13' 53.5" P.A. 359 sep 3.1 mag 8.51,13.60 Sp B9 dist. 201.21 pc (656.35 l.y.)
 
 
Coord 2000
18454-0314
Discov num
A    90
Comp
Coord arcsec 2000
18 45 26.77 -03 13 53.5
Date first
1900
Date last
2000
Obs
5
Pa first
2
Pa last
359
P.A. Now (θ)
359°
Sep first
2.8
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
8.51
Mag sec
13.60
delta mag (ΔM)
5.09
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
359
Precise sep
3.06
Constellation
Aquila
HIP
92023
HD
173437
BD
BD-03 4373
Distance
201.21
Distance ly
656.35
last precise pa
359
last precise sep
3.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18454-0314 A 90 1951 4 2 3.0 8.10 13.60 B9 184526.77-031353.5
18454-0314 A 90 2000 5 359 3.1 8.10 13.60 B9 184526.77-031353.5

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