18413-2436 B   399

 
 
18h 41m 17.49s -24 36' 37.0" P.A. 49 sep 3.3 mag 10.18,15.60 Sp B6Ib
 
 
Coord 2000
18413-2436
Discov num
B   399
Comp
Coord arcsec 2000
18 41 17.49 -24 36 37.0
Date first
1927
Date last
1927
Obs
1
Pa first
49
Pa last
49
P.A. Now (θ)
49°
Sep first
3.3
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.18
Mag sec
15.60
delta mag (ΔM)
5.42
Spectral class
B6Ib (blue-white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.3
Precise sep
3.31
Constellation
Sagittarius
Tycho2
6862-01079-1
HD
172437
last precise pa
49.3
last precise sep
3.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18413-2436 B 399 1927 1 49 3.3 10.18 15.60 B6Ib 184117.49-243637.0

If you need more information about this double, apply for a data request form to the WDS.