12591+4709 HDS1821 (BQ CVn)

 
 
12h 59m 03.81s +47 09' 05.1" P.A. 151 sep 0.9 mag 8.19,11.36 Sp G8III-IVp dist. 180.51 pc (588.82 l.y.)
 
 
Coord 2000
12591+4709
Discov num
HDS1821
Comp
Coord arcsec 2000
12 59 03.81 +47 09 05.1
Date first
1991
Date last
2012
Obs
10
Pa first
154
Pa last
151
P.A. Now (θ)
151°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.19
Mag sec
11.36
delta mag (ΔM)
3.17
Spectral class
G8III-IVp (yellow)
Pri motion ra
-060
Sec motion ra
-060
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.7
Precise sep
0.95
Var name
BQ CVn
Constellation
Canes Venatici
SAO
44410
HIP
63368
Tycho2
3459-01053-1
HD
112859
BD
BD+47 2007
Distance
180.51
Distance ly
588.82
last precise pa
150.7
last precise sep
0.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12591+4709 HDS1821 1991 2 155 0.8 8.19 11.36 G8III-IVp D 125903.81+470905.1
12591+4709 HDS1821 2010 3 150 0.9 8.19 11.36 G8III-IVp D 125903.81+470905.1
12591+4709 HDS1821 2012 10 151 0.9 8.19 11.36 G8III-IVp 125903.81+470905.1

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