20205+5336 BU  663AB

 
 
20h 20m 30.64s +53 35' 44.5" P.A. 305 sep 6.9 mag 6.18,14.20 Sp K4III dist. 606.06 pc (1976.97 l.y.)
 
 
Coord 2000
20205+5336
Discov num
BU  663
Comp
AB
Coord arcsec 2000
20 20 30.64 +53 35 44.5
Date first
1891
Date last
2015
Obs
5
Pa first
314
Pa last
305
P.A. Now (θ)
305°
Sep first
6.6
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
6.18
Mag sec
14.20
delta mag (ΔM)
8.02
Spectral class
K4III (yellow-orange)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20205+5336 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32491 20205+5336 BU 663 AB 1891 2015 5 305 6.9 6.18 14.20 8.02 <===
Show 20205+5336 BU 663 AC 1877 1958 7 69 6.5 6.18 12.40 6.22
Show 20205+5336 BU 663 AD 1958 2015 2 232 12.2 6.18 14.50 8.32
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.6
Precise sep
6.912
Constellation
Cygnus
SAO
32491
HIP
100295
Tycho2
3937-00494-1
Gaia DR2
65893090688
HD
193944
HR
7791
BD
BD+53 2384
Distance
606.06
Distance ly
1976.97
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20205+5336 BU 663 AB 1958 4 314 7.2 6.18 14.20 K4III 202030.64+533544.5
20205+5336 BU 663 AB 2015 5 305 6.9 6.18 14.20 K4III 202030.64+533544.5

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