20116+3621 SEI 976

 
 
20h 11m 38.52s +36 21' 18.5" P.A. 3 sep 8.2 mag 10.50,11.00
 
 
Coord 2000
20116+3621
Discov num
SEI 976
Comp
Coord arcsec 2000
20 11 38.52 +36 21 18.5
Date first
1896
Date last
2015
Obs
12
Pa first
4
Pa last
3
P.A. Now (θ)
Sep first
8.0
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
10.50
Mag sec
11.00
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-010
Sec motion dec
-004
Notes
rPM=0.658
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.8
Precise sep
8.216
Constellation
Cygnus
Gaia DR2
07711797504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20116+3621 SEI 976 2006 5 1 8.6 10.50 11.00 D 201138.52+362118.5
20116+3621 SEI 976 2010 7 3 7.9 10.50 11.00 201138.52+362118.5
20116+3621 SEI 976 2015 8 3 8.3 10.50 11.00 201138.52+362118.5

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