20342+4327 A   396AD

 
 
20h 34m 14.13s +43 27' 01.6" P.A. 219 sep 33.4 mag 8.84,14.30 Sp K0
 
 
Coord 2000
20342+4327
Discov num
A   396
Comp
AD
Coord arcsec 2000
20 34 14.13 +43 27 01.6
Date first
1917
Date last
2015
Obs
5
Pa first
218
Pa last
219
P.A. Now (θ)
219°
Sep first
34.7
Sep last
33.4
Sep. Now (ρ)
33.4"
Mag pri
8.84
Mag sec
14.30
delta mag (ΔM)
5.46
Spectral class
K0 (yellow-orange)
Pri motion ra
-005
Sec motion ra
+004
Pri motion dec
-012
Sec motion dec
-003
Notes
rPM=0.979
This double is not physical.
 
 
20342+4327 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20342+4327 A 396 AB 1902 2009 12 140 1.7 8.84 10.65 1.81
Show 20342+4327 A 396 AC 1892 2015 7 115 34.2 8.84 12.64 3.80
Show 20342+4327 A 396 AD 1917 2015 5 219 33.4 8.84 14.30 5.46 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.8
Precise sep
33.396
Constellation
Cygnus
SAO
49813
Tycho2
3165-00973-1
Gaia DR2
33789403008
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20342+4327 A 396 AD 1998 2 219 33.6 8.84 14.30 K0 D 203414.13+432701.6
20342+4327 A 396 AD 2003 4 219 33.4 8.84 14.30 K0 D 203414.13+432701.6
20342+4327 A 396 AD 2015 5 219 33.4 8.84 14.30 K0 203414.13+432701.6

If you need more information about this double, apply for a data request form to the WDS.