13069-4954 DUN 128 (Xi2 Cen)

 
 
13h 06m 54.64s -49 54' 22.5" P.A. 99 sep 24.9 mag 4.23,10.09 Sp B1.5V dist. 143.27 pc (467.35 l.y.)
 
 
Coord 2000
13069-4954
Discov num
DUN 128
Comp
Coord arcsec 2000
13 06 54.64 -49 54 22.5
Date first
1826
Date last
2010
Obs
20
Pa first
100
Pa last
99
P.A. Now (θ)
99°
Sep first
40.0
Sep last
24.9
Sep. Now (ρ)
24.9"
Mag pri
4.23
Mag sec
10.09
delta mag (ΔM)
5.86
Spectral class
B1.5V (blue-white)
Pri motion ra
-026
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.3
Precise sep
24.94
Name
Xi2 Cen
Constellation
Centaurus
SAO
223909
HIP
64004
Tycho2
8254-02208-1
HD
113791
HR
4942
GC
17773
CD
CD-49 7644
CP
CP-49 5733
Bayer
Xi 2 Centauri
Bayer name
Xi2 Cen
Distance
143.27
Distance ly
467.35
last precise pa
99.3
last precise sep
24.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13069-4954 DUN 128 2007 17 100 25.2 4.23 10.09 B1.5V N D 130654.64-495422.5
13069-4954 DUN 128 2010 20 99 25.0 4.23 10.09 B1.5V N 130654.64-495422.5

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