18566-0911 J  2243

 
 
18h 56m 43.81s -09 09' 13.9" P.A. 308 sep 8.9 mag 9.91,12.58 Sp B9III/IV
 
 
Coord 2000
18566-0911
Discov num
J  2243
Comp
Coord arcsec 2000
18 56 43.81 -09 09 13.9
Date first
1906
Date last
2000
Obs
4
Pa first
307
Pa last
308
P.A. Now (θ)
308°
Sep first
8.3
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
9.91
Mag sec
12.58
delta mag (ΔM)
2.67
Spectral class
B9III/IV (blue-white)
Pri motion ra
+001
Sec motion ra
-003
Pri motion dec
-006
Sec motion dec
+000
Notes
B (Blue magnitudes)
rPM=1.185
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.6
Precise sep
8.894
Constellation
Scutum
last precise pa
307.6
last precise sep
8.894
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18566-0911 J 2243 1942 2 310 7.0 9.91 12.58 B 185643.81-090913.9
18566-0911 J 2243 2000 3 308 8.9 9.91 12.58 B 185643.81-090913.9

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