20063+3454 SEI 870AB

 
 
20h 06m 16.21s +34 54' 05.9" P.A. 2 sep 6.5 mag 10.48,12.00 Sp A0
 
 
Coord 2000
20063+3454
Discov num
SEI 870
Comp
AB
Coord arcsec 2000
20 06 16.21 +34 54 05.9
Date first
1895
Date last
2015
Obs
11
Pa first
4
Pa last
2
P.A. Now (θ)
Sep first
5.6
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
10.48
Mag sec
12.00
delta mag (ΔM)
1.52
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20063+3454 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20063+3454 SEI 870 AB 1895 2015 11 2 6.5 10.48 12.00 1.52 <===
Show 20063+3454 POP 66 AC 1941 2015 10 117 25.4 10.48 12.42 1.94
Show 20063+3454 POP 66 AD 1941 2015 10 347 44.0 10.45 12.75 2.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.4
Precise sep
6.494
Constellation
Cygnus
Tycho2
2679-02739-1
Gaia DR2
27826267392
HD
227660
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20063+3454 SEI 870 AB 1998 5 3 6.5 10.48 12.00 D 200616.21+345405.9
20063+3454 SEI 870 AB 2002 6 2 6.5 10.48 12.00 D 200616.21+345405.9
20063+3454 SEI 870 AB 2015 7 3 6.5 10.48 12.00 A0 200616.21+345405.9

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