20167+2932 OSO 121AC

 
 
20h 16m 38.62s +29 31' 50.3" P.A. 283 sep 15.2 mag 11.39,18.60 Sp K0
 
 
Coord 2000
20167+2932
Discov num
OSO 121
Comp
AC
Coord arcsec 2000
20 16 38.62 +29 31 50.3
Date first
1994
Date last
1998
Obs
3
Pa first
288
Pa last
283
P.A. Now (θ)
283°
Sep first
14.8
Sep last
15.2
Sep. Now (ρ)
15.2"
Mag pri
11.39
Mag sec
18.60
delta mag (ΔM)
7.21
Spectral class
K0 (yellow-orange)
Pri motion ra
+248
Sec motion ra
Pri motion dec
+135
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20167+2932 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20167+2932 OSO 121 AB 1994 1998 4 165 13.2 11.39 16.90 5.51
Show 20167+2932 OSO 121 AC 1994 1998 3 283 15.2 11.39 18.60 7.21 <===
Show 20167+2932 OSO 121 AD 1995 1998 2 190 18.9 11.39 19.30 7.91
Show 20167+2932 OSO 121 AE 1995 1998 2 259 25.2 11.39 19.40 8.01
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.4
Precise sep
15.23
Constellation
Cygnus
Tycho2
2167-01103-1
Gaia DR2
79329053952
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20167+2932 OSO 121 AC 1998 3 283 15.2 11.39 18.60 N D 201638.62+293150.3

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