20134+3844 BLL  47AC

 
 
20h 13m 23.66s +38 43' 44.5" P.A. 106 sep 154 mag 8.00,9.50 Sp CII dist. 473.93 pc (1545.96 l.y.)
 
 
Coord 2000
20134+3844
Discov num
BLL  47
Comp
AC
Coord arcsec 2000
20 13 23.66 +38 43 44.5
Date first
1878
Date last
2015
Obs
21
Pa first
106
Pa last
106
P.A. Now (θ)
106°
Sep first
156.0
Sep last
154.0
Sep. Now (ρ)
154"
Mag pri
8.00
Mag sec
9.50
delta mag (ΔM)
1.5
Spectral class
CII (red carbon star)
Pri motion ra
+009
Sec motion ra
-008
Pri motion dec
+002
Sec motion dec
+001
Notes
N (See Notes)
rPM=1.847
This double is not physical.
 
 
20134+3844 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show RS Cyg 20134+3844 BLL 47 AB 1879 2015 24 354 131.7 8.00 7.15 0.85
Show 20134+3844 BLL 47 AC 1878 2015 21 106 154.0 8.00 9.50 1.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.8
Precise sep
153.999
Var name
RS Cyg
Constellation
Cygnus
SAO
69636
HIP
99653
Tycho2
3151-00539-1
Gaia DR2
67887555840
HD
192443
BD
BD+38 3957
Distance
473.93
Distance ly
1545.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20134+3844 BLL 47 AC 2003 15 106 154.1 8.00 9.50 N D 201323.66+384344.5
20134+3844 BLL 47 AC 2012 17 106 154.1 8.00 9.50 N D 201323.66+384344.5
20134+3844 BLL 47 AC 2015 18 106 154.0 8.00 9.50 CII N 201323.66+384344.5

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