20216+3902 SEI1101

 
 
20h 21m 34.14s +39 02' 13.6" P.A. 11 sep 11.6 mag 11.67,12.90
 
 
Coord 2000
20216+3902
Discov num
SEI1101
Comp
Coord arcsec 2000
20 21 34.14 +39 02 13.6
Date first
1895
Date last
2002
Obs
4
Pa first
12
Pa last
11
P.A. Now (θ)
11°
Sep first
10.9
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
11.67
Mag sec
12.90
delta mag (ΔM)
1.23
Spectral class
Pri motion ra
-010
Sec motion ra
-003
Pri motion dec
-010
Sec motion dec
-005
Notes
rPM=0.608
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11
Precise sep
11.592
Constellation
Cygnus
last precise pa
11
last precise sep
11.592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20216+3902 SEI1101 1998 3 11 11.6 11.67 12.90 D 202134.14+390213.6
20216+3902 SEI1101 2002 4 11 11.6 11.67 12.90 D 202134.14+390213.6
20216+3902 SEI1101 2010 5 12 11.3 11.67 12.90 202134.14+390213.6

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