20345+1138 J   142

 
 
20h 34m 25.91s +11 37' 17.5" P.A. 242 sep 6.5 mag 10.35,12.50
 
 
Coord 2000
20345+1138
Discov num
J   142
Comp
Coord arcsec 2000
20 34 25.91 +11 37 17.5
Date first
1907
Date last
2015
Obs
10
Pa first
245
Pa last
242
P.A. Now (θ)
242°
Sep first
6.7
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
10.35
Mag sec
12.50
delta mag (ΔM)
2.15
Spectral class
Pri motion ra
+002
Sec motion ra
+002
Pri motion dec
-004
Sec motion dec
-005
Notes
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.6
Precise sep
6.474
Constellation
Delphinus
Tycho2
1096-00713-1
Gaia DR2
80090241920
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20345+1138 J 142 2000 5 242 6.5 10.35 12.50 D 203425.91+113717.5
20345+1138 J 142 2001 6 241 6.5 10.35 12.50 D 203425.91+113717.5
20345+1138 J 142 2010 7 241 6.2 10.35 12.50 203425.91+113717.5
20345+1138 J 142 2015 7 242 6.5 10.35 12.50 203425.91+113717.5

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