20070+3651 SEI 889

 
 
20h 07m 02.65s +36 51' 19.0" P.A. 209 sep 9 mag 9.39,12.20 Sp B8
 
 
Coord 2000
20070+3651
Discov num
SEI 889
Comp
Coord arcsec 2000
20 07 02.65 +36 51 19.0
Date first
1896
Date last
2015
Obs
11
Pa first
211
Pa last
209
P.A. Now (θ)
209°
Sep first
7.0
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
9.39
Mag sec
12.20
delta mag (ΔM)
2.81
Spectral class
B8 (blue-white)
Pri motion ra
+004
Sec motion ra
-010
Pri motion dec
-002
Sec motion dec
-010
Notes
rPM=1.14
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.5
Precise sep
8.987
Constellation
Cygnus
SAO
69437
Tycho2
2683-02781-1
Gaia DR2
82778885760
HD
227741
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20070+3651 SEI 889 1998 4 209 8.7 9.39 12.20 B8 D 200702.65+365119.0
20070+3651 SEI 889 2002 5 208 8.7 9.39 12.20 B8 D 200702.65+365119.0
20070+3651 SEI 889 2010 6 209 8.9 9.39 12.20 B8 200702.65+365119.0
20070+3651 SEI 889 2015 7 209 9.0 9.39 12.20 B8 200702.65+365119.0

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