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
Constellation
Canes Venatici
SAO
63227
HIP
62791
Tycho2
2531-00482-1
HD
111860
BD
BD+32 2287
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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