20203+3920 SEI1090

 
 
20h 20m 17.45s +39 20' 21.7" P.A. 155.00 sep 13.4 mag 9.43,10.60
 
 
Coord 2000
20203+3920
Discov num
SEI1090
Comp
Coord arcsec 2000
20 20 17.45 +39 20 21.7
Date first
1892
Date last
2015
Obs
15
Pa first
172
Pa last
155
P.A. Now (θ)
155°
Sep first
14.7
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
9.43
Mag sec
10.60
delta mag (ΔM)
1.17
Spectral class
Pri motion ra
-002
Sec motion ra
+025
Pri motion dec
-005
Sec motion dec
+012
Notes
rPM=1.151
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.6
Precise sep
13.391
Constellation
Cygnus
SAO
69856
Tycho2
3152-01516-1
Gaia DR2
47236018816
HD
193702
HR
7784
DM
BD+38 4021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20203+3920 SEI1090 1998 8 157 13.4 9.43 10.60 D 202017.45+392021.7
20203+3920 SEI1090 2008 9 156 13.4 9.43 10.60 D 202017.45+392021.7
20203+3920 SEI1090 2015 11 155 13.4 9.43 10.60 202017.45+392021.7

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