12540-6050 TOB 128AB

 
 
12h 54m 00.49s -60 49' 41.7" P.A. 10 sep 15 mag 10.54,11.16 Sp A
 
 
Coord 2000
12540-6050
Discov num
TOB 128
Comp
AB
Coord arcsec 2000
12 54 00.49 -60 49 41.7
Date first
1892
Date last
2000
Obs
8
Pa first
11
Pa last
10
P.A. Now (θ)
10°
Sep first
15.9
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
10.54
Mag sec
11.16
delta mag (ΔM)
0.62
Spectral class
A (white)
Pri motion ra
-009
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-004
Notes
rPM=0.711
Nature of this double is uncertain.
 
 
12540-6050 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12540-6050 TDS8574 Aa,Ab 1991 1991 1 230 0.5 11.15 11.34 0.19
Show 12540-6050 TOB 128 AB 1892 2000 8 10 15.0 10.54 11.16 0.62 <===
Show 12540-6050 DAM 586 BC 1998 2000 3 232 5.6 11.20 14.00 2.80
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
10.3
Precise sep
15.02
Constellation
Crux
Tycho2
8989-01726-1
HD
312122
last precise pa
10.3
last precise sep
15.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12540-6050 TOB 128 AB 2000 6 10 15.0 10.54 11.16 D 125400.49-604941.7

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