20222+4015 BU  665A,BC (Gam Cyg)

 
 
20h 22m 13.70s +40 15' 24.0" P.A. 197 sep 147.1 mag 2.27,11.04 Sp F8Ib dist. 561.8 pc (1832.59 l.y.)
 
 
Coord 2000
20222+4015
Discov num
BU  665
Comp
A,BC
Coord arcsec 2000
20 22 13.70 +40 15 24.0
Date first
1877
Date last
2010
Obs
11
Pa first
197
Pa last
197
P.A. Now (θ)
197°
Sep first
140.4
Sep last
147.1
Sep. Now (ρ)
147.1"
Mag pri
2.27
Mag sec
11.04
delta mag (ΔM)
8.77
Spectral class
F8Ib (yellow-white)
Pri motion ra
+002
Sec motion ra
-013
Pri motion dec
-001
Sec motion dec
-017
Notes
N (See Notes)
rPM=1.025
This double is not physical.
 
 
20222+4015 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Gam Cyg 49528 20222+4015 BU 665 A,BC 1877 2010 11 197 147.1 2.27 11.04 8.77 <===
Show 49528 20222+4015 BU 665 BC 1878 2015 10 302 1.9 10.00 11.00 1.00
Show 20222+4015 BU 665 BC,D 1911 2002 3 131 41.0 11.04 13.58 2.54
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.1
Precise sep
147.08
Name
Gam Cyg
Constellation
Cygnus
SAO
49528
HIP
100453
Tycho2
3156-02223-1
Gaia DR2
17313277952
HD
194093
HR
7796
GC
28338
BD
BD+39 4159
Bayer
Gamma Cygni
Bayer name
Gam Cyg
Flamsteed
37 Cygni
Flamsteed name
37 Cyg
Distance
561.8
Distance ly
1832.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20222+4015 BU 665 A,BC 2010 9 197 147.1 2.27 9.60 F8Ib N D 202213.70+401524.0

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