10197+1928 WNO  53 (40 Leo)

 
 
10h 19m 44.17s +19 28' 15.3" P.A. 308 sep 999.9 mag 4.83,14.47 Sp F6IV+M5 dist. 21.37 pc (69.71 l.y.)
 
 
Coord 2000
10197+1928
Discov num
WNO  53
Comp
Coord arcsec 2000
10 19 44.17 +19 28 15.3
Date first
1998
Date last
2001
Obs
2
Pa first
308
Pa last
308
P.A. Now (θ)
308°
Sep first
999.9
Sep last
999.9
Sep. Now (ρ)
999.9"
Mag pri
4.83
Mag sec
14.47
delta mag (ΔM)
9.64
Spectral class
F6IV+M5 (yellow-white/red)
Pri motion ra
-230
Sec motion ra
-224
Pri motion dec
-215
Sec motion dec
-238
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.073 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.3
Precise sep
5219.46
Name
40 Leo
Cdsa2 id
WNO 53
Constellation
Leo
SAO
99065
HIP
50564
Tycho2
1423-01351-1
HD
89449
HR
4054
GC
14170
GL
Gl 388.1
BD
BD+20 2466
Flamsteed
40 Leonis
Flamsteed name
40 Leo
Ra deg
10.32893611111111
De deg
19.470916666666664
Distance
21.37
Distance ly
69.71
last precise pa
308.3
last precise sep
5219.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10197+1928 WNO 53 1998 1 308 999.9 4.80 16.48 VD 101944.17+192815.3
10197+1928 WNO 53 2001 2 308 999.9 4.80 16.48 F6IV NVD 101944.17+192815.3

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