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84 UMa

HIP 67231; 84 UMa Star UMa Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 5.70
Range 5.65 - 5.70
Period 33.1 hours
Variable Type Alpha2 CVn (Magnetic Rotating)
Spectral Type B9pEuCr
Star Color Blue-white (B-V -0.08)

Position & Identifiers

RA 13h 46m 35.7s
Dec +54° 25' 58.0"
Constellation UMa
HR 5187
HIP 67231
Flamsteed 84 UMa
Variable ID CR UMa

Visibility

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Light Curve

Multiple Star System B: optical

Separation 67.1″
Companion Mag 18.0
Companion Sp M8V
Position Angle 83°
Star Colors A: Blue-white B: Red
Discoverer LDS2914

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

Stellar Notes

Alpha CV 5.64 - 5.67V, 1.37996d, amp. 0.03U. Spectrum variable.

Survey Image

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