18147-1939 J  1623

 
 
18h 14m 50.03s -19 37' 44.5" P.A. 31 sep 7.2 mag 11.92,12.77 Sp B9/A0V
 
 
Coord 2000
18147-1939
Discov num
J  1623
Comp
Coord arcsec 2000
18 14 50.03 -19 37 44.5
Date first
1941
Date last
1999
Obs
4
Pa first
35
Pa last
31
P.A. Now (θ)
31°
Sep first
5.0
Sep last
7.2
Sep. Now (ρ)
7.2"
Mag pri
11.92
Mag sec
12.77
delta mag (ΔM)
0.85
Spectral class
B9/A0V (blue-white)
Pri motion ra
+000
Sec motion ra
+023
Pri motion dec
-010
Sec motion dec
+034
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
Tycho2
6272-01817-1
last precise pa
31.3
last precise sep
7.165
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18147-1939 J 1623 1999 2 31 7.2 11.92 12.77 B9/A0V N D 181450.03-193744.5

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