20288+3812 ES 2508

 
 
20h 28m 50.50s +38 13' 51.6" P.A. 302 sep 6.3 mag 11.76,12.00
 
 
Coord 2000
20288+3812
Discov num
ES 2508
Comp
Coord arcsec 2000
20 28 50.50 +38 13 51.6
Date first
1931
Date last
2015
Obs
11
Pa first
322
Pa last
302
P.A. Now (θ)
302°
Sep first
6.4
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
11.76
Mag sec
12.00
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
+024
Sec motion ra
-003
Pri motion dec
+017
Sec motion dec
+006
Notes
rPM=0.991
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.4
Precise sep
6.3
Constellation
Cygnus
SAO
70084
Gaia DR2
86137727872
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20288+3812 ES 2508 1998 2 307 6.2 11.76 12.00 D 202850.50+381351.6
20288+3812 ES 2508 2005 3 305 6.3 11.76 12.00 D 202850.50+381351.6
20288+3812 ES 2508 2015 5 302 6.3 11.76 12.00 202850.50+381351.6

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