12536-6021 HDS1808 (BU Cru)

 
 
12h 53m 37.62s -60 21' 25.4" P.A. 43 sep 17.1 mag 6.89,8.22 Sp B3Ib: dist. 165.84 pc (540.97 l.y.)
 
 
Coord 2000
12536-6021
Discov num
HDS1808
Comp
Coord arcsec 2000
12 53 37.62 -60 21 25.4
Date first
1892
Date last
2000
Obs
8
Pa first
43
Pa last
43
P.A. Now (θ)
43°
Sep first
17.3
Sep last
17.1
Sep. Now (ρ)
17.1"
Mag pri
6.89
Mag sec
8.22
delta mag (ΔM)
1.33
Spectral class
B3Ib: (blue-white)
Pri motion ra
-007
Sec motion ra
-003
Pri motion dec
-001
Sec motion dec
+000
Notes
rPM=0.583
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.5
Precise sep
17.08
Var name
BU Cru
Cdsa2 id
HDS 1808
Constellation
Crux
SAO
252070
HIP
62913
Tycho2
8989-03109-1
HD
111934
CD
CD-59 4458
CP
CP-59 4543
Ra deg
12.893783333333333
De deg
-60.357055555555554
Distance
165.84
Distance ly
540.97
last precise pa
42.5
last precise sep
17.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12536-6021 HDS1808 2000 7 43 17.1 6.89 8.22 B3Ib: D 125337.62-602125.4

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