20053+3343 SEI 844

 
 
20h 05m 14.20s +33 43' 13.5" P.A. 6 sep 22.5 mag 10.43,12.69 Sp B9
 
 
Coord 2000
20053+3343
Discov num
SEI 844
Comp
Coord arcsec 2000
20 05 14.20 +33 43 13.5
Date first
1894
Date last
2015
Obs
11
Pa first
9
Pa last
6
P.A. Now (θ)
Sep first
21.8
Sep last
22.5
Sep. Now (ρ)
22.5"
Mag pri
10.43
Mag sec
12.69
delta mag (ΔM)
2.26
Spectral class
B9 (blue-white)
Pri motion ra
-001
Sec motion ra
-005
Pri motion dec
-007
Sec motion dec
-004
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.7
Precise sep
22.549
Constellation
Cygnus
Tycho2
2674-05558-1
Gaia DR2
41201549824
HD
227540
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20053+3343 SEI 844 1998 3 6 22.5 10.43 12.90 D 200514.20+334313.5
20053+3343 SEI 844 2002 4 6 22.5 10.43 12.90 D 200514.20+334313.5
20053+3343 SEI 844 2011 5 6 22.5 10.43 12.90 D 200514.20+334313.5
20053+3343 SEI 844 2015 7 6 22.5 10.43 12.69 B9 200514.20+334313.5

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