20326+4635 ES  664

 
 
20h 32m 36.66s +46 34' 50.2" P.A. 55 sep 9 mag 9.68,13.60 Sp F2
 
 
Coord 2000
20326+4635
Discov num
ES  664
Comp
Coord arcsec 2000
20 32 36.66 +46 34 50.2
Date first
1908
Date last
2015
Obs
9
Pa first
66
Pa last
55
P.A. Now (θ)
55°
Sep first
5.2
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
9.68
Mag sec
13.60
delta mag (ΔM)
3.92
Spectral class
F2 (yellow-white)
Pri motion ra
-021
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.2
Precise sep
8.959
Constellation
Cygnus
SAO
49768
Tycho2
3573-01076-1
Gaia DR2
91519604864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20326+4635 ES 664 1908 1 66 5.2 9.68 13.60 F2 203236.66+463450.2
20326+4635 ES 664 2011 2 55 8.8 9.68 13.60 F2 203236.66+463450.2
20326+4635 ES 664 2015 5 55 9.1 9.68 13.60 F2 203236.66+463450.2

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