12455-4552 DON 554AB

 
 
12h 45m 27.62s -45 51' 45.2" P.A. 313 sep 1.3 mag 10.07,13.60 Sp G8V dist. 78.43 pc (255.84 l.y.)
 
 
Coord 2000
12455-4552
Discov num
DON 554
Comp
AB
Coord arcsec 2000
12 45 27.62 -45 51 45.2
Date first
1929
Date last
1948
Obs
3
Pa first
310
Pa last
313
P.A. Now (θ)
313°
Sep first
1.0
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.07
Mag sec
13.60
delta mag (ΔM)
3.53
Spectral class
G8V (yellow)
Pri motion ra
-051
Sec motion ra
Pri motion dec
-061
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
12455-4552 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 223647 12455-4552 HDS1789 Aa,Ab 1991 1991 1 52 0.2 10.07 10.47 0.40
Show 223647 12455-4552 DON 554 AB 1929 1948 3 313 1.3 10.07 13.60 3.53 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.9
Precise sep
1.3
Constellation
Centaurus
SAO
223647
HIP
62252
Tycho2
8245-00584-1
HD
110861
CD
CD-45 7991
CP
CP-45 6023
Distance
78.43
Distance ly
255.84
last precise pa
312.9
last precise sep
1.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12455-4552 DON 554 AB 1948 3 313 1.3 10.07 13.60 G8V 124527.62-455145.2

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