12450-4905 ALD 117AB

 
 
12h 45m 00.59s -49 05' 12.7" P.A. 224 sep 1.5 mag 10.20,10.89 Sp A2III
 
 
Coord 2000
12450-4905
Discov num
ALD 117
Comp
AB
Coord arcsec 2000
12 45 00.59 -49 05 12.7
Date first
1927
Date last
1991
Obs
4
Pa first
210
Pa last
224
P.A. Now (θ)
224°
Sep first
2.0
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
10.20
Mag sec
10.89
delta mag (ΔM)
0.69
Spectral class
A2III (white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
12450-4905 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12450-4905 ALD 117 AB 1927 1991 4 224 1.5 10.20 10.89 0.69 <===
Show 12450-4905 ALD 117 BC 1927 1999 3 354 5.0 10.89 14.00 3.11
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.2
Precise sep
1.484
Cdsa2 id
ALD 117 AB
Constellation
Centaurus
Tycho2
8253-00894-1
HD
110793
Ra deg
12.750163888888888
De deg
-49.08686111111111
last precise pa
224.2
last precise sep
1.484
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12450-4905 ALD 117 AB 1991 4 224 1.5 10.20 10.89 A2III 124500.59-490512.7

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