20090+4252 OSO 118AC

 
 
20h 09m 01.41s +42 51' 54.9" P.A. 237.00 sep 21.2 mag 10.11,16.60 dist. 82.58 pc (269.38 l.y.)
 
 
Coord 2000
20090+4252
Discov num
OSO 118
Comp
AC
Coord arcsec 2000
20 09 01.41 +42 51 54.9
Date first
1994
Date last
1998
Obs
2
Pa first
240
Pa last
237
P.A. Now (θ)
237°
Sep first
20.1
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
10.11
Mag sec
16.60
delta mag (ΔM)
6.49
Spectral class
Pri motion ra
+119
Sec motion ra
Pri motion dec
+341
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20090+4252 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49241 20090+4252 OSO 118 AB 1994 1998 2 150 12.2 10.11 17.60 7.49
Show 49241 20090+4252 OSO 118 AC 1994 1998 2 237 21.2 10.11 16.60 6.49 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
237
Precise sep
21.22
Spectr
F3
Constellation
Cygnus
SAO
49241
HIP
99267
Tycho2
3158-00447-1
BD
BD+42 3607
Distance
82.58
Distance ly
269.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20090+4252 OSO 118 AC 1998 2 237 21.2 10.11 16.60 N D 200901.41+425154.9

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