18129-3513 SLR  13

 
 
18h 12m 53.29s -35 12' 39.0" P.A. 47 sep 2.4 mag 8.95,10.71 Sp B9V
 
 
Coord 2000
18129-3513
Discov num
SLR  13
Comp
Coord arcsec 2000
18 12 53.29 -35 12 39.0
Date first
1891
Date last
1991
Obs
8
Pa first
44
Pa last
47
P.A. Now (θ)
47°
Sep first
1.5
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
8.95
Mag sec
10.71
delta mag (ΔM)
1.76
Spectral class
B9V (blue-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
46.8
Precise sep
2.366
Constellation
Sagittarius
SAO
209856
Tycho2
7400-00870-1
HD
166593
last precise pa
46.8
last precise sep
2.366
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18129-3513 SLR 13 1991 8 47 2.4 8.95 10.71 B9V 181253.29-351239.0

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