18542-1338 A  1891

 
 
18h 54m 10.87s -13 37' 34.4" P.A. 256 sep 0.4 mag 9.19,8.13 Sp B8/9II dist. 352.11 pc (1148.58 l.y.)
 
 
Coord 2000
18542-1338
Discov num
A  1891
Comp
Coord arcsec 2000
18 54 10.87 -13 37 34.4
Date first
1908
Date last
2008
Obs
14
Pa first
267
Pa last
256
P.A. Now (θ)
256°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.19
Mag sec
8.13
delta mag (ΔM)
1.06
Spectral class
B8/9II (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
255.9
Precise sep
0.374
Constellation
Scutum
SAO
161952
HIP
92763
Tycho2
5718-00068-1
HD
175060
BD
BD-13 5140
Distance
352.11
Distance ly
1148.58
last precise pa
255.9
last precise sep
0.374
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18542-1338 A 1891 1992 13 258 0.4 9.19 8.13 B8/9II D 185410.87-133734.4
18542-1338 A 1891 2008 14 256 0.4 9.19 8.13 B8/9II D 185410.87-133734.4

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