20330+3903 SEI1163

 
 
20h 32m 59.44s +39 03' 24.8" P.A. 221 sep 28.9 mag 11.51,12.50
 
 
Coord 2000
20330+3903
Discov num
SEI1163
Comp
Coord arcsec 2000
20 32 59.44 +39 03 24.8
Date first
1895
Date last
2015
Obs
10
Pa first
216
Pa last
221
P.A. Now (θ)
221°
Sep first
28.2
Sep last
28.9
Sep. Now (ρ)
28.9"
Mag pri
11.51
Mag sec
12.50
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+003
Sec motion ra
-023
Pri motion dec
-011
Sec motion dec
+004
Notes
rPM=1.286
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221
Precise sep
28.871
Constellation
Cygnus
Tycho2
3153-00105-1
Gaia DR2
65752732032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20330+3903 SEI1163 1998 4 220 28.8 11.51 12.50 D 203259.44+390324.8
20330+3903 SEI1163 2002 5 220 28.8 11.51 12.50 D 203259.44+390324.8
20330+3903 SEI1163 2010 6 219 30.8 11.51 12.50 203259.44+390324.8
20330+3903 SEI1163 2015 10 221 28.9 11.51 12.50 203259.44+390324.8

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