10457-1907 LDS4013

 
 
10h 45m 39.09s -19 06' 51.8" P.A. 356 sep 7.5 mag 11.03,14.70 Sp M0.5+DQ8 dist. 20.02 pc (65.31 l.y.)
 
 
Coord 2000
10457-1907
Discov num
LDS4013
Comp
Coord arcsec 2000
10 45 39.09 -19 06 51.8
Date first
1960
Date last
2004
Obs
3
Pa first
352
Pa last
356
P.A. Now (θ)
356°
Sep first
7.5
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.03
Mag sec
14.70
delta mag (ΔM)
3.67
Spectral class
M0.5+DQ8 (red)
Pri motion ra
-187
Sec motion ra
-188
Pri motion dec
-060
Sec motion dec
-062
Notes
N P (See Notes, 100-year proper motion)
rPM=0.011 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
356
Precise sep
7.5
Constellation
Hydra
HIP
52621
Tycho2
6078-01934-1
GL
Gl 401A
BD
BD-18 3019
Distance
20.02
Distance ly
65.31
last precise pa
356
last precise sep
7.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10457-1907 LDS4013 1960 1 352 7.5 11.03 14.70 M0.5 P 104539.09-190651.8
10457-1907 LDS4013 2004 2 356 7.5 11.03 14.70 M0.5+DQ N P 104539.09-190651.8

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