13554+5002 COU2689

 
 
13h 55m 22.88s +50 02' 28.1" P.A. 327.00 sep 0.6 mag 9.41,11.89 Sp G0 dist. 136.99 pc (446.86 l.y.)
 
 
Coord 2000
13554+5002
Discov num
COU2689
Comp
Coord arcsec 2000
13 55 22.88 +50 02 28.1
Date first
1991
Date last
2012
Obs
12
Pa first
320
Pa last
327
P.A. Now (θ)
327°
Sep first
0.7
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.41
Mag sec
11.89
delta mag (ΔM)
2.48
Spectral class
G0 (yellow)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.6
Precise sep
0.649
Constellation
Ursa Major
SAO
28931
HIP
67989
Tycho2
3470-00022-1
Gaia DR2
67540949888
HD
234086
BD
BD+50 2034
Distance
136.99
Distance ly
446.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13554+5002 COU2689 1993 2 301 0.5 9.41 11.89 G0 D 135522.88+500228.1
13554+5002 COU2689 2010 3 326 0.7 9.41 11.89 G0 D 135522.88+500228.1
13554+5002 COU2689 2012 12 327 0.6 9.41 11.89 G0 135522.88+500228.1

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