20123+2248 COU 123

 
 
20h 12m 17.81s +22 48' 28.6" P.A. 233 sep 0.3 mag 8.60,8.90 Sp K0
 
 
Coord 2000
20123+2248
Discov num
COU 123
Comp
Coord arcsec 2000
20 12 17.81 +22 48 28.6
Date first
1966
Date last
2007
Obs
18
Pa first
245
Pa last
233
P.A. Now (θ)
233°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
8.60
Mag sec
8.90
delta mag (ΔM)
0.3
Spectral class
K0 (yellow-orange)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.8
Precise sep
0.299
Constellation
Vulpecula
SAO
88344
Tycho2
2154-02751-1
Gaia DR2
45122443520
HD
346003
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20123+2248 COU 123 1989 17 239 0.2 8.60 8.90 K0 201217.81+224828.6
20123+2248 COU 123 2007 18 233 0.3 8.60 8.90 K0 201217.81+224828.6

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