Mu Cru
Mu Cru (BS4898)
Excellent (66/100)
HIP 63003; Mu Cru
DoubleStar
Cru
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
4.03
Spectral Type
B2IV-V
Star Color
Blue
(B-V -0.17)
Position & Identifiers
RA
12h 54m 35.6s
Dec
-57° 10' 40.0"
Constellation
Cru
HR
4898
HIP
63003
Bayer
Mu
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
34.5″
Companion Mag
5.0
Position Angle
17°
Star Colors
A: Blue
B: Blue-white
Discoverer
DUN 126
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 34.5″ · PA: 17° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
CPM with HR 4899.
Sco-Cen assoc.; probable member of Sco-Cen cluster; member of Pleiades group.
Survey Image
Loading survey image…