12546-5711 DUN 126 AB (Mu1 Cru)
12h 54m 35.66s -57° 10' 40.4" P.A. 17.00 sep 34.5 mag 3.94,4.95 Sp B2IV-V dist. 127.06 pc (414.47 l.y.)
Coord 2000 |
12546-5711 |
|
Discov num |
DUN 126 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 54 35.66 -57 10 40.4 |
|
Date first |
1826 |
|
Date last |
2020 |
|
Obs |
39 |
|
Pa first |
10 |
|
Pa last |
17.3 |
|
P.A. Now (θ) |
17.3° |
|
Sep first |
35.9 |
|
Sep last |
34.52 |
|
Sep. Now (ρ) |
34.52" |
|
Mag pri |
3.94 |
|
Mag sec |
4.95 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
B2IV-V (blue-white) |
|
Pri motion ra |
-031 |
|
Sec motion ra |
-033 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-011 |
|
Notes |
N
Z
(See Notes, Parallax indicates components are physical) |
|
rPM=0.081 (< 0.3, Physical double)
This double is physical.
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
Name |
Mu1 Cru |
|
Constellation |
Crux |
|
SAO |
240366 |
|
HIP |
63003 |
|
Tycho2 |
8656-03488-1 |
|
Gaia DR2 |
6060547163653418112 |
|
HD |
112092 |
|
HR |
4898 |
|
GC |
17512 |
|
CP |
CP-56 5487 |
|
Bayer |
Mu 1 Crucis |
|
Bayer name |
Mu1 Cru |
|
Distance |
127.06 |
|
Distance ly |
414.47 |
|
Bayer greek |
μ1 Cru |
|