12499-6437 HDS1800

 
 
12h 49m 55.47s -64 36' 49.4" P.A. 77 sep 0.1 mag 8.12,8.81 Sp B9.5IV dist. 714.29 pc (2330.01 l.y.)
 
 
Coord 2000
12499-6437
Discov num
HDS1800
Comp
Coord arcsec 2000
12 49 55.47 -64 36 49.4
Date first
1991
Date last
2017
Obs
6
Pa first
25
Pa last
77
P.A. Now (θ)
77°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
8.12
Mag sec
8.81
delta mag (ΔM)
0.69
Spectral class
B9.5IV (blue-white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.7
Precise sep
0.1
Cdsa2 id
HDS 1800
Constellation
Crux
HIP
62624
Tycho2
8996-00815-1
HD
111409
CP
CP-63 2420
Ra deg
12.832075
De deg
-64.61372222222222
Distance
714.29
Distance ly
2330.01
last precise pa
76.7
last precise sep
0.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12499-6437 HDS1800 2006 2 47 0.1 8.12 8.81 B9.5IV 124955.47-643649.4
12499-6437 HDS1800 2015 4 71 0.1 8.12 8.81 B9.5IV 124955.47-643649.4
12499-6437 HDS1800 2017 6 77 0.1 8.12 8.81 B9.5IV 124955.47-643649.4

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