18506-2646 B   409

 
 
18h 50m 37.51s -26 46' 13.5" P.A. 260 sep 4.9 mag 7.24,14.00 Sp A8III
 
 
Coord 2000
18506-2646
Discov num
B   409
Comp
Coord arcsec 2000
18 50 37.51 -26 46 13.5
Date first
1927
Date last
2000
Obs
3
Pa first
258
Pa last
260
P.A. Now (θ)
260°
Sep first
5.2
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
7.24
Mag sec
14.00
delta mag (ΔM)
6.76
Spectral class
A8III (white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.8
Precise sep
4.88
Constellation
Sagittarius
last precise pa
259.8
last precise sep
4.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18506-2646 B 409 1927 1 258 5.2 7.20 14.00 A8III 185037.51-264613.5
18506-2646 B 409 2000 3 260 4.9 7.20 14.00 A8III 185037.51-264613.5

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