20331+3932 SEI1164

 
 
20h 33m 06.98s +39 32' 34.2" P.A. 214.00 sep 18.0 mag 9.98,10.77
 
 
Coord 2000
20331+3932
Discov num
SEI1164
Comp
Coord arcsec 2000
20 33 06.98 +39 32 34.2
Date first
1892
Date last
2015
Obs
16
Pa first
215
Pa last
214
P.A. Now (θ)
214°
Sep first
17.9
Sep last
18.0
Sep. Now (ρ)
18"
Mag pri
9.98
Mag sec
10.77
delta mag (ΔM)
0.79
Spectral class
Pri motion ra
+032
Sec motion ra
+032
Pri motion dec
-005
Sec motion dec
-005
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
214.1
Precise sep
18.028
Constellation
Cygnus
Tycho2
3157-00134-1
Gaia DR2
21246990208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20331+3932 SEI1164 2005 7 214 17.8 9.98 10.77 D 203306.98+393234.2
20331+3932 SEI1164 2013 9 215 17.9 9.98 10.77 203306.98+393234.2
20331+3932 SEI1164 2015 11 214 18.0 9.98 10.77 203306.98+393234.2

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