18141-2502 B   383

 
 
18h 14m 03.04s -25 02' 04.1" P.A. 85 sep 3.5 mag 9.79,14.60 Sp B9
 
 
Coord 2000
18141-2502
Discov num
B   383
Comp
Coord arcsec 2000
18 14 03.04 -25 02 04.1
Date first
1927
Date last
2000
Obs
4
Pa first
91
Pa last
85
P.A. Now (θ)
85°
Sep first
3.8
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
9.79
Mag sec
14.60
delta mag (ΔM)
4.81
Spectral class
B9 (blue-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.9
Precise sep
3.49
Constellation
Sagittarius
SAO
186503
Tycho2
6847-00114-1
HD
166939
last precise pa
84.9
last precise sep
3.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18141-2502 B 383 1928 2 94 3.6 9.79 14.60 B9 181403.04-250204.1
18141-2502 B 383 2000 4 85 3.5 9.79 14.60 B9 181403.04-250204.1

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