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
2015
Obs
5
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
11.1
Precise sep
11.646
Constellation
Cygnus
Tycho2
3152-00249-1
Gaia DR2
2061394125234338176
 
 
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
20216+3902 SEI1101 2015 5 11 11.6 11.67 12.90 202134.14+390213.6

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