20304+4634 ES  663

 
 
20h 30m 19.97s +46 34' 04.8" P.A. 110 sep 5 mag 10.75,12.40
 
 
Coord 2000
20304+4634
Discov num
ES  663
Comp
Coord arcsec 2000
20 30 19.97 +46 34 04.8
Date first
1893
Date last
2015
Obs
9
Pa first
111
Pa last
110
P.A. Now (θ)
110°
Sep first
5.0
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
10.75
Mag sec
12.40
delta mag (ΔM)
1.65
Spectral class
Pri motion ra
-002
Sec motion ra
+002
Pri motion dec
+014
Sec motion dec
-001
Notes
rPM=1.098
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.1
Precise sep
5.011
Constellation
Cygnus
SAO
49726
Tycho2
3573-01996-1
Gaia DR2
70710737152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20304+4634 ES 663 2003 4 111 4.9 10.75 12.40 D 203019.97+463404.8
20304+4634 ES 663 2015 6 110 5.0 10.75 12.40 203019.97+463404.8

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