20478+4754 ES 2253

 
 
20h 47m 34.65s +47 54' 24.0" P.A. 336 sep 3.5 mag 12.42,12.60
 
 
Coord 2000
20478+4754
Discov num
ES 2253
Comp
Coord arcsec 2000
20 47 34.65 +47 54 24.0
Date first
1901
Date last
2006
Obs
6
Pa first
358
Pa last
336
P.A. Now (θ)
336°
Sep first
3.1
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
12.42
Mag sec
12.60
delta mag (ΔM)
0.18
Spectral class
Pri motion ra
+003
Sec motion ra
-007
Pri motion dec
-019
Sec motion dec
+005
Notes
rPM=1.352
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.2
Precise sep
3.516
Constellation
Cygnus
last precise pa
336.2
last precise sep
3.516
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20478+4754 ES 2253 2006 2 336 3.5 10.00 10.20 204707.50+475400.0

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