15455-2740 LDS4589

 
 
15h 45m 22.44s -27 40' 05.0" P.A. 330 sep 52 mag 15.42,14.98 Sp dM5+DB4
 
 
Coord 2000
15455-2740
Discov num
LDS4589
Comp
Coord arcsec 2000
15 45 22.44 -27 40 05.0
Date first
1960
Date last
2004
Obs
6
Pa first
330
Pa last
330
P.A. Now (θ)
330°
Sep first
52.0
Sep last
52.0
Sep. Now (ρ)
52"
Mag pri
15.42
Mag sec
14.98
delta mag (ΔM)
0.44
Spectral class
dM5+DB4
Pri motion ra
-204
Sec motion ra
-091
Pri motion dec
-138
Sec motion dec
-101
Notes
rPM=0.483
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330
Precise sep
52
Constellation
Libra
last precise pa
330
last precise sep
52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15455-2740 LDS4589 1999 2 330 51.9 15.50 15.50 D 154522.44-274004.9
15455-2740 LDS4589 2004 4 330 52.0 15.50 15.50 dM+DB D 154522.44-274004.9

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