Mu Cru
Mu Cru (BS4899)
Observable Double Star
Excellent (67/100)
Sep: 34.9", Companion: mag 5.0
HIP 63005; Mu Cru
DoubleStar
Cru
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.17
Variable Type
Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type
B5Vne
Star Color
Blue-white
(B-V -0.12)
Position & Identifiers
RA
12h 54m 36.8s
Dec
-57° 10' 06.0"
Constellation
Cru
HR
4899
HIP
63005
Bayer
Mu
Variable ID
Mu2 Cru
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Visibility
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Multiple Star System
Separation
34.9″
Companion Mag
5.0
Star Colors
A: Blue-white
B: Blue
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Gamma Cas 4.99 - 5.18V.
CPM with HR 4898.
Sco-Cen assoc.; probable member of Sco-Cen cluster; member of Pleiades group.
Survey Image
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