12540-6050 TDS8574Aa,Ab

 
 
12h 54m 00.49s -60 49' 41.7" P.A. 230 sep 0.5 mag 11.15,11.34 Sp A
 
 
Coord 2000
12540-6050
Discov num
TDS8574
Comp
Aa,Ab
Coord arcsec 2000
12 54 00.49 -60 49 41.7
Date first
1991
Date last
1991
Obs
1
Pa first
230
Pa last
230
P.A. Now (θ)
230°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.15
Mag sec
11.34
delta mag (ΔM)
0.19
Spectral class
A (white)
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-003
Sec motion dec
-003
Notes
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
229.7
Precise sep
0.45
Constellation
Crux
Tycho2
8989-01726-1
HD
312122
last precise pa
229.7
last precise sep
0.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12540-6050 TDS8574 Aa,Ab 1991 1 230 0.5 11.15 11.34 125400.49-604941.7

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