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
Cdsa2 id
J 531
Constellation
Aquila
Ra deg
18.913413888888886
De deg
-2.4817222222222224
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.