20518+1736 J  2325

 
 
20h 51m 50.80s +17 36' 17.4" P.A. 259 sep 5.4 mag 11.80,13.30
 
 
Coord 2000
20518+1736
Discov num
J  2325
Comp
Coord arcsec 2000
20 51 50.80 +17 36 17.4
Date first
1942
Date last
2010
Obs
6
Pa first
250
Pa last
259
P.A. Now (θ)
259°
Sep first
3.0
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
11.80
Mag sec
13.30
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+010
Sec motion ra
-002
Pri motion dec
+001
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
last precise pa
259.1
last precise sep
5.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20518+1736 J 2325 1982 2 258 4.5 11.28 13.40 205149.52+173536.2
20518+1736 J 2325 2001 5 260 5.3 11.60 13.70 205150.80+173617.4
20518+1736 J 2325 2010 6 259 5.4 11.80 13.30 205150.80+173617.4

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