18484+1524 J  2150

 
 
18h 48m 22.65s +15 23' 38.9" P.A. 34 sep 20 mag 6.93,13.80 Sp B8 dist. 546.45 pc (1782.52 l.y.)
 
 
Coord 2000
18484+1524
Discov num
J  2150
Comp
Coord arcsec 2000
18 48 22.65 +15 23 38.9
Date first
1942
Date last
2010
Obs
5
Pa first
35
Pa last
34
P.A. Now (θ)
34°
Sep first
14.0
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
6.93
Mag sec
13.80
delta mag (ΔM)
6.87
Spectral class
B8 (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
33.5
Precise sep
20.04
Constellation
Hercules
SAO
104118
HIP
92279
Tycho2
1584-03141-1
HD
174105
BD
BD+15 3573
Distance
546.45
Distance ly
1782.52
last precise pa
33.5
last precise sep
20.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18484+1524 J 2150 1942 1 35 14.0 6.90 13.80 B8 184822.65+152338.9
18484+1524 J 2150 2009 2 33 19.9 6.90 13.80 B8 184822.65+152338.9
18484+1524 J 2150 2010 5 34 19.4 6.93 13.80 B8 184822.65+152338.9

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