12372-6908 DON 541AB (Alp Mus)

 
 
12H 37M 11.08S -69 08' 07.9" P.A. 321 SEP 28.8 MAG 2.69,13.00 SP B2IV-V DIST. 96.71 PC (315.47 L.Y.)
 
 
Coord 2000
12372-6908
Discov num
DON 541
Comp
AB
Coord arcsec 2000
12 37 11.08 -69 08 07.9
Date first
1932
Date last
2007
Obs
5
Pa first
317
Pa last
321
P.A. Now (θ)
321°
Sep first
29.7
Sep last
28.8
Sep. Now (ρ)
28.8"
Mag pri
2.69
Mag sec
13.00
delta mag (ΔM)
10.31
Spectral class
B2IV-V (blue-white)
Pri motion ra
-040
Sec motion ra
-025
Pri motion dec
-013
Sec motion dec
-015
Notes
N (See Notes)
rPM=0.36
Nature of this double is uncertain.
 
 
12372-6908 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 251974 12372-6908 RIZ 4 Aa,Ab 2010 2010 0 0.0 2.80 5.50 2.70
Show Alp Mus 251974 12372-6908 DON 541 AB 1932 2007 5 321 28.8 2.69 13.00 10.31 <===
Show 251974 12372-6908 SHT 45 AC 2000 2000 1 198 4.9 3.40 11.90 8.50
Show 251974 12372-6908 SHT 45 AD 2000 2000 1 243 3.4 3.40 13.40 10.00
Show 251974 12372-6908 SHT 45 AE 2000 2000 1 159 5.8 3.40 15.40 12.00
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Alp Mus
Constellation
Musca
SAO
251974
HIP
61585
Tycho2
9228-03049-1
HD
109668
HR
4798
GC
17179
CD
CD-68 1104
CP
CP-68 1702
Bayer
Alpha Muscae
Bayer name
Alp Mus
Distance
96.71
Distance ly
315.47
last precise pa
321.4
last precise sep
28.8