12540-6020 B   805

 
 
12h 53m 59.80s -60 20' 07.5" P.A. 260 sep 4.4 mag 6.77,13.20 Sp B1/2Ib dist. 980.39 pc (3198.03 l.y.)
 
 
Coord 2000
12540-6020
Discov num
B   805
Comp
Coord arcsec 2000
12 53 59.80 -60 20 07.5
Date first
1927
Date last
2000
Obs
3
Pa first
265
Pa last
260
P.A. Now (θ)
260°
Sep first
4.3
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
6.77
Mag sec
13.20
delta mag (ΔM)
6.43
Spectral class
B1/2Ib (blue-white)
Pri motion ra
-012
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.1
Precise sep
4.39
Cdsa2 id
B 805
Constellation
Crux
SAO
252080
HIP
62953
Tycho2
8989-01997-1
HD
111990
CD
CD-59 4461
CP
CP-59 4566
Ra deg
12.899944444444444
De deg
-60.33541666666667
Distance
980.39
Distance ly
3198.03
last precise pa
260.1
last precise sep
4.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12540-6020 B 805 1927 1 265 4.3 6.77 13.20 B1/2Ib 125359.80-602007.5
12540-6020 B 805 2000 3 260 4.4 6.77 13.20 B1/2Ib 125359.80-602007.5

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