10331+2052 COU 172

 
 
10h 33m 04.63s +20 52' 09.8" P.A. 29 sep 0.5 mag 11.12,11.73 Sp K0 dist. 131.06 pc (427.52 l.y.)
 
 
Coord 2000
10331+2052
Discov num
COU 172
Comp
Coord arcsec 2000
10 33 04.63 +20 52 09.8
Date first
1967
Date last
1997
Obs
4
Pa first
20
Pa last
29
P.A. Now (θ)
29°
Sep first
0.6
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.12
Mag sec
11.73
delta mag (ΔM)
0.61
Spectral class
K0 (yellow-orange)
Pri motion ra
-078
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.4
Precise sep
0.52
Constellation
Leo
HIP
51641
Tycho2
1427-00919-1
BD
BD+21 2206
Distance
131.06
Distance ly
427.52
last precise pa
29.4
last precise sep
0.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10331+2052 COU 172 1997 4 29 0.5 11.12 11.73 K0 103304.63+205209.8

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