12179-2401 DON 521BC

 
 
12h 17m 55.26s -24 00' 51.2" P.A. 50 sep 0.2 mag 11.20,11.20 dist. 141.04 pc (460.07 l.y.)
 
 
Coord 2000
12179-2401
Discov num
DON 521
Comp
BC
Coord arcsec 2000
12 17 55.26 -24 00 51.2
Date first
1932
Date last
1965
Obs
4
Pa first
35
Pa last
50
P.A. Now (θ)
50°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
11.20
Mag sec
11.20
delta mag (ΔM)
0
Spectral class
Pri motion ra
-022
Sec motion ra
-022
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
12179-2401 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 180662 12179-2401 BU 921 A,BC 1879 1991 18 221 3.4 7.01 10.67 3.66
Show 180662 12179-2401 DON 521 BC 1932 1965 4 50 0.2 11.20 11.20 0.00 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.5
Precise sep
0.18
Spectr
B9V
Constellation
Corvus
SAO
180662
HIP
59966
Tycho2
6681-01014-1
HD
106955
CD
CD-2310471
CP
CP-23 5453
Distance
141.04
Distance ly
460.07
last precise pa
49.5
last precise sep
0.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12179-2401 DON 521 BC 1965 4 50 0.2 11.20 11.20 121706.67-240100.0

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