12546-5711 SHT 47 BC
12h 54m 36.89s -57° 10' 07.2" P.A. 241.00 sep 4.7 mag 5.80,16.60 Sp B5Vne dist. 124.84 pc (407.23 l.y.)
Coord 2000 |
12546-5711 |
|
Discov num |
SHT 47 |
|
Comp |
BC |
|
Coord arcsec 2000 |
12 54 36.89 -57 10 07.2 |
|
Date first |
2000 |
|
Date last |
2000 |
|
Obs |
1 |
|
Pa first |
241 |
|
Pa last |
240.6 |
|
P.A. Now (θ) |
240.6° |
|
Sep first |
4.7 |
|
Sep last |
4.679 |
|
Sep. Now (ρ) |
4.679" |
|
Mag pri |
5.80 |
|
Mag sec |
16.60 |
|
delta mag (ΔM) |
10.8 |
|
Spectral class |
B5Vne (blue-white) |
|
Pri motion ra |
-028 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
N
K
(See Notes, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
12546-5711 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Mu1 Cru |
240366 |
12 54 36 -57 10 40 |
DUN 126 AB |
2020 |
39 |
17 |
34.5 |
3.94 |
4.95 |
1.01 |
|
|
Show |
|
240367 |
12 54 37 -57 10 07 |
SHT 47 BC |
2000 |
1 |
241 |
4.7 |
5.80 |
16.60 |
10.80 |
|
<=== |
Show |
|
240367 |
12 54 37 -57 10 07 |
SHT 47 BD |
2000 |
1 |
333 |
5.0 |
5.80 |
16.30 |
10.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Crux |
|
SAO |
240367 |
|
HIP |
63005 |
|
Tycho2 |
8656-03487-1 |
|
Gaia DR2 |
6060547331128876928 |
|
HD |
112091 |
|
HR |
4899 |
|
GC |
17513 |
|
DM |
CP-56 5487 |
|
Bayer |
Mu 2 Crucis |
|
Bayer name |
Mu2 Cru |
|
Distance |
124.84 |
|
Distance ly |
407.23 |
|
Bayer greek |
μ2 Cru |
|