20342+4327 A   396AB

 
 
20h 34m 14.13s +43 27' 01.6" P.A. 140 sep 1.7 mag 8.84,10.65 Sp K0
 
 
Coord 2000
20342+4327
Discov num
A   396
Comp
AB
Coord arcsec 2000
20 34 14.13 +43 27 01.6
Date first
1902
Date last
2009
Obs
12
Pa first
159
Pa last
140
P.A. Now (θ)
140°
Sep first
1.6
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
8.84
Mag sec
10.65
delta mag (ΔM)
1.81
Spectral class
K0 (yellow-orange)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-017
Sec motion dec
-017
Notes
Nature of this double is uncertain.
 
 
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
140.3
Precise sep
1.708
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 AB 1991 11 144 1.7 8.84 10.65 K0 203414.13+432701.6
20342+4327 A 396 AB 2009 12 140 1.7 8.84 10.65 K0 203414.13+432701.6

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