20120+3429 A   282AB

 
 
20h 12m 01.92s +34 28' 44.2" P.A. 208 sep 0.3 mag 7.90,8.10 Sp A5III dist. 148.81 pc (485.42 l.y.)
 
 
Coord 2000
20120+3429
Discov num
A   282
Comp
AB
Coord arcsec 2000
20 12 01.92 +34 28 44.2
Date first
1901
Date last
2007
Obs
24
Pa first
206
Pa last
208
P.A. Now (θ)
208°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.90
Mag sec
8.10
delta mag (ΔM)
0.2
Spectral class
A5III (white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20120+3429 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69588 20120+3429 A 282 AB 1901 2007 24 208 0.3 7.90 8.10 0.20 <===
Show 69588 20120+3429 HO 121 AB,C 1884 2002 15 14 22.9 7.27 12.20 4.93
Show 69588 20120+3429 HO 121 AB,D 1889 2002 5 11 39.5 7.27 11.70 4.43
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.6
Precise sep
0.298
Constellation
Cygnus
SAO
69588
HIP
99532
Tycho2
2679-01494-1
HD
192124
BD
BD+34 3908
Distance
148.81
Distance ly
485.42
last precise pa
207.6
last precise sep
0.298
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20120+3429 A 282 AB 2004 24 207 0.3 7.90 8.10 A5III 201201.92+342844.2
20120+3429 A 282 AB 2007 25 208 0.3 7.90 8.10 A5III 201201.92+342844.2

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