12520+3146 LDS4287

 
 
12h 52m 01.35s +31 46' 28.0" P.A. 144 sep 34.5 mag 9.90,18.30 Sp K2IV dist. 210.97 pc (688.18 l.y.)
 
 
Coord 2000
12520+3146
Discov num
LDS4287
Comp
Coord arcsec 2000
12 52 01.35 +31 46 28.0
Date first
1960
Date last
2010
Obs
3
Pa first
152
Pa last
144
P.A. Now (θ)
144°
Sep first
30.0
Sep last
34.5
Sep. Now (ρ)
34.5"
Mag pri
9.90
Mag sec
18.30
delta mag (ΔM)
8.4
Spectral class
K2IV (yellow-orange)
Pri motion ra
-062
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.1
Precise sep
34.45
Cdsa2 id
LDS 4287
Constellation
Canes Venatici
SAO
63227
HIP
62791
Tycho2
2531-00482-1
HD
111860
BD
BD+32 2287
Ra deg
12.867041666666667
De deg
31.774444444444445
Distance
210.97
Distance ly
688.18
last precise pa
144.1
last precise sep
34.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12520+3146 LDS4287 2000 2 144 34.3 9.90 18.30 D 125201.35+314628.0
12520+3146 LDS4287 2010 3 145 34.0 9.90 18.30 K2IV 125201.35+314628.0

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