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
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
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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