12510+3129 HDS1804

 
 
12h 50m 59.61s +31 28' 34.4" P.A. 258 sep 0.8 mag 8.03,11.45 Sp F2V dist. 80.19 pc (261.58 l.y.)
 
 
Coord 2000
12510+3129
Discov num
HDS1804
Comp
Coord arcsec 2000
12 50 59.61 +31 28 34.4
Date first
1991
Date last
2011
Obs
8
Pa first
252
Pa last
258
P.A. Now (θ)
258°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.03
Mag sec
11.45
delta mag (ΔM)
3.42
Spectral class
F2V (yellow-white)
Pri motion ra
-058
Sec motion ra
Pri motion dec
-043
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.4
Precise sep
0.757
Cdsa2 id
HDS 1804
Constellation
Canes Venatici
SAO
63221
HIP
62706
Tycho2
2531-01115-1
HD
111717
BD
BD+32 2281
Ra deg
12.849891666666668
De deg
31.47622222222222
Distance
80.19
Distance ly
261.58
last precise pa
258.4
last precise sep
0.757
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12510+3129 HDS1804 1991 1 252 0.8 8.03 11.45 F2V 125059.61+312834.4
12510+3129 HDS1804 2009 3 257 0.8 8.03 11.45 F2V 125059.61+312834.4
12510+3129 HDS1804 2011 7 258 0.8 8.03 11.45 F2V 125059.61+312834.4

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