20064+3558 BUP 204AC

 
 
20h 06m 21.76s +35 58' 20.8" P.A. 77 sep 42.7 mag 5.48,11.70 Sp K0IV dist. 23.95 pc (78.12 l.y.)
 
 
Coord 2000
20064+3558
Discov num
BUP 204
Comp
AC
Coord arcsec 2000
20 06 21.76 +35 58 20.8
Date first
1909
Date last
2015
Obs
6
Pa first
155
Pa last
77
P.A. Now (θ)
77°
Sep first
40.2
Sep last
42.7
Sep. Now (ρ)
42.7"
Mag pri
5.48
Mag sec
11.70
delta mag (ΔM)
6.22
Spectral class
K0IV (yellow-orange)
Pri motion ra
-221
Sec motion ra
Pri motion dec
-444
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20064+3558 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 27 Cyg 69413 20064+3558 BUP 204 AB 1896 2013 6 36 64.9 5.48 13.80 8.32
Show 20064+3558 BUP 204 AC 1909 2015 6 77 42.7 5.48 11.70 6.22 <===
Show 20064+3558 OPI 21 AD 1924 1924 1 130 35.0 5.48 12.70 7.22
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.3
Precise sep
42.729
Other name
b1 Cyg
Var name
V2008 Cyg
Constellation
Cygnus
SAO
69413
HIP
99031
Tycho2
2683-03963-1
HD
191026
HR
7689
GC
27904
BD
BD+35 3959
Flamsteed
27 Cygni
Flamsteed name
27 Cyg
Distance
23.95
Distance ly
78.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20064+3558 BUP 204 AC 1924 2 144 36.2 5.48 11.70 N 200621.76+355820.8
20064+3558 BUP 204 AC 2010 6 79 41.1 5.48 11.70 K0IV N 200621.76+355820.8
20064+3558 BUP 204 AC 2013 7 78 42.2 5.48 11.70 K0IV N 200621.76+355820.8
20064+3558 BUP 204 AC 2015 7 77 42.7 5.48 11.70 K0IV N 200621.76+355820.8

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