18040-2529 HDO 148

 
 
18h 03m 59.09s -25 28' 38.4" P.A. 18 sep 4.5 mag 10.18,10.24 Sp B8II/III
 
 
Coord 2000
18040-2529
Discov num
HDO 148
Comp
Coord arcsec 2000
18 03 59.09 -25 28 38.4
Date first
1868
Date last
2000
Obs
14
Pa first
15
Pa last
18
P.A. Now (θ)
18°
Sep first
5.4
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
10.18
Mag sec
10.24
delta mag (ΔM)
0.06
Spectral class
B8II/III (blue-white)
Pri motion ra
+004
Sec motion ra
+040
Pri motion dec
-002
Sec motion dec
+057
Notes
N (See Notes)
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.3
Precise sep
4.5
Constellation
Sagittarius
Tycho2
6846-00759-2
HD
164817
last precise pa
18.3
last precise sep
4.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18040-2529 HDO 148 2000 13 18 4.5 10.18 10.24 B8II/III D 180359.09-252838.4

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