18511-1421 RST4602

 
 
18h 51m 05.74s -14 21' 38.2" P.A. 219 sep 2.6 mag 10.60,10.80 Sp B8/9Ib
 
 
Coord 2000
18511-1421
Discov num
RST4602
Comp
Coord arcsec 2000
18 51 05.74 -14 21 38.2
Date first
1939
Date last
2009
Obs
7
Pa first
219
Pa last
219
P.A. Now (θ)
219°
Sep first
2.3
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.60
Mag sec
10.80
delta mag (ΔM)
0.2
Spectral class
B8/9Ib (blue-white)
Pri motion ra
+011
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.6
Precise sep
2.57
Constellation
Scutum
last precise pa
218.6
last precise sep
2.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18511-1421 RST4602 1997 5 222 2.9 10.60 10.80 B8/9Ib N 185105.74-142138.2
18511-1421 RST4602 2002 6 218 2.6 10.60 10.80 B8/9Ib N 185105.74-142138.2
18511-1421 RST4602 2009 7 219 2.6 10.60 10.80 B8/9Ib N 185105.74-142138.2

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