18167-2945 I  1358

 
 
18h 16m 40.19s -29 45' 25.6" P.A. 179 sep 2.5 mag 9.07,12.60 Sp B9IV
 
 
Coord 2000
18167-2945
Discov num
I  1358
Comp
Coord arcsec 2000
18 16 40.19 -29 45 25.6
Date first
1925
Date last
1942
Obs
3
Pa first
178
Pa last
179
P.A. Now (θ)
179°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.07
Mag sec
12.60
delta mag (ΔM)
3.53
Spectral class
B9IV (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.7
Precise sep
2.49
Constellation
Sagittarius
SAO
186572
Tycho2
6855-00943-1
HD
167482
last precise pa
178.7
last precise sep
2.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18167-2945 I 1358 1942 3 179 2.5 9.07 12.60 B9IV 181640.19-294525.6

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