20063+3538 SEI 871AB

 
 
20h 06m 14.13s +35 38' 02.2" P.A. 173 sep 11.5 mag 10.85,12.60 Sp B9:
 
 
Coord 2000
20063+3538
Discov num
SEI 871
Comp
AB
Coord arcsec 2000
20 06 14.13 +35 38 02.2
Date first
1896
Date last
2016
Obs
11
Pa first
172
Pa last
173
P.A. Now (θ)
173°
Sep first
11.5
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
10.85
Mag sec
12.60
delta mag (ΔM)
1.75
Spectral class
B9: (blue-white)
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
-009
Notes
rPM=0.469
Nature of this double is uncertain.
 
 
20063+3538 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20063+3538 SEI 871 AB 1896 2016 11 173 11.5 10.85 12.60 1.75 <===
Show 20063+3538 SEI 872 AC 1895 2016 15 56 29.1 10.85 11.01 0.16
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.5
Precise sep
11.531
Constellation
Cygnus
SAO
69399
Tycho2
2683-03935-1
Gaia DR2
28985383296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20063+3538 SEI 871 AB 2002 4 173 11.5 10.85 12.60 D 200614.12+353802.2
20063+3538 SEI 871 AB 2010 6 173 11.2 10.85 12.60 B9: 200614.13+353802.2
20063+3538 SEI 871 AB 2016 6 173 11.5 10.85 12.60 B9: 200614.13+353802.2

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