18548-0229 J   531

 
 
18h 54m 48.29s -02 28' 54.2" P.A. 154 sep 4.2 mag 10.20,10.40
 
 
Coord 2000
18548-0229
Discov num
J   531
Comp
Coord arcsec 2000
18 54 48.29 -02 28 54.2
Date first
1895
Date last
2017
Obs
12
Pa first
152
Pa last
154
P.A. Now (θ)
154°
Sep first
4.4
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
10.20
Mag sec
10.40
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-016
Sec motion dec
-016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.2
Precise sep
4.243
Constellation
Aquila
last precise pa
154.2
last precise sep
4.243
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18548-0229 J 531 1999 8 153 4.3 10.20 10.40 D 185448.29-022854.2
18548-0229 J 531 2009 9 154 4.2 10.20 10.40 D 185448.29-022854.2
18548-0229 J 531 2017 12 154 4.2 10.20 10.40 185448.29-022854.2

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