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
7
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
Constellation
Canes Venatici
SAO
63221
HIP
62706
Tycho2
2531-01115-1
HD
111717
BD
BD+32 2281
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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