12524+5017 COU2188

 
 
12h 52m 21.20s +50 16' 54.3" P.A. 40 sep 0.3 mag 9.07,10.37 Sp F4V dist. 487.8 pc (1591.2 l.y.)
 
 
Coord 2000
12524+5017
Discov num
COU2188
Comp
Coord arcsec 2000
12 52 21.20 +50 16 54.3
Date first
1984
Date last
2008
Obs
9
Pa first
19
Pa last
40
P.A. Now (θ)
40°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.07
Mag sec
10.37
delta mag (ΔM)
1.3
Spectral class
F4V (yellow-white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.5
Precise sep
0.282
Constellation
Canes Venatici
SAO
28544
HIP
62818
Tycho2
3461-01194-1
HD
111957
BD
BD+51 1792
Distance
487.8
Distance ly
1591.2
last precise pa
39.5
last precise sep
0.282
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12524+5017 COU2188 1997 8 30 0.3 9.07 10.37 F4V D 125221.20+501654.3
12524+5017 COU2188 2008 9 40 0.3 9.07 10.37 F4V D 125221.20+501654.3

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