20313+3337 ES 2354

 
 
20h 31m 17.41s +33 37' 15.2" P.A. 313 sep 6.7 mag 10.32,12.00
 
 
Coord 2000
20313+3337
Discov num
ES 2354
Comp
Coord arcsec 2000
20 31 17.41 +33 37 15.2
Date first
1928
Date last
2015
Obs
12
Pa first
311
Pa last
313
P.A. Now (θ)
313°
Sep first
6.6
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
10.32
Mag sec
12.00
delta mag (ΔM)
1.68
Spectral class
Pri motion ra
+005
Sec motion ra
-009
Pri motion dec
+003
Sec motion dec
-003
Notes
rPM=1.606
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.3
Precise sep
6.685
Constellation
Cygnus
SAO
70144
Tycho2
2689-00371-1
Gaia DR2
55302209408
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20313+3337 ES 2354 1999 6 313 6.7 10.32 12.00 D 203117.41+333715.2
20313+3337 ES 2354 2002 7 313 6.7 10.32 12.00 D 203117.41+333715.2
20313+3337 ES 2354 2015 8 314 6.6 10.32 12.00 203117.41+333715.2

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