18265-3105 RST2053

 
 
18h 26m 30.38s -31 05' 01.5" P.A. 319 sep 0.7 mag 11.20,11.80 Sp B9V
 
 
Coord 2000
18265-3105
Discov num
RST2053
Comp
Coord arcsec 2000
18 26 30.38 -31 05 01.5
Date first
1934
Date last
1944
Obs
2
Pa first
318
Pa last
319
P.A. Now (θ)
319°
Sep first
0.8
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
11.20
Mag sec
11.80
delta mag (ΔM)
0.6
Spectral class
B9V (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.6
Precise sep
0.74
Constellation
Sagittarius
Tycho2
7393-01198-1
HD
319394
last precise pa
318.6
last precise sep
0.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18265-3105 RST2053 1944 2 319 0.7 11.20 11.80 182630.38-310501.5

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