12184-6400 HJ 4512 (Zet Cru)

 
 
12h 18m 26.29s -64 00' 11.0" P.A. 345 sep 33.6 mag 4.06,12.49 Sp B2.5V dist. 109.65 pc (357.68 l.y.)
 
 
Coord 2000
12184-6400
Discov num
HJ 4512
Comp
Coord arcsec 2000
12 18 26.29 -64 00 11.0
Date first
1834
Date last
2010
Obs
6
Pa first
324
Pa last
345
P.A. Now (θ)
345°
Sep first
30.0
Sep last
33.6
Sep. Now (ρ)
33.6"
Mag pri
4.06
Mag sec
12.49
delta mag (ΔM)
8.43
Spectral class
B2.5V (blue-white)
Pri motion ra
-034
Sec motion ra
-011
Pri motion dec
-010
Sec motion dec
+006
Notes
N (See Notes)
rPM=0.791
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.1
Precise sep
33.62
Name
Zet Cru
Cdsa2 id
HJ 4512
Constellation
Crux
SAO
251841
HIP
60009
Tycho2
8983-02258-1
HD
106983
HR
4679
GC
16785
CP
CP-63 2235
Bayer
Zeta Crucis
Bayer name
Zet Cru
Ra deg
12.307302777777778
De deg
-64.00305555555556
Distance
109.65
Distance ly
357.68
last precise pa
345.1
last precise sep
33.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12184-6400 HJ 4512 2000 4 344 33.6 4.06 12.49 B2.5V N D 121826.29-640011.0
12184-6400 HJ 4512 2010 6 345 33.4 4.06 12.49 B2.5V N 121826.29-640011.0

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