12179-2401 BU  921A,BC

 
 
12H 17M 55.52S -24 00' 48.2" P.A. 221 SEP 3.4 MAG 7.01,10.67 SP A0V DIST. 141.04 PC (460.07 L.Y.)
 
 
Coord 2000
12179-2401
Discov num
BU  921
Comp
A,BC
Coord arcsec 2000
12 17 55.52 -24 00 48.2
Date first
1879
Date last
1991
Obs
18
Pa first
219
Pa last
221
P.A. Now (θ)
221°
Sep first
3.0
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
7.01
Mag sec
10.67
delta mag (ΔM)
3.66
Spectral class
A0V (white)
Pri motion ra
-019
Sec motion ra
-022
Pri motion dec
+003
Sec motion dec
+000
Notes
rPM=0.193 (< 0.3, Physical double)
This double is physical.
 
 
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
221.3
Precise sep
3.38
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
221.3
last precise sep
3.38