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Psi Ori

HIP 25302; Psi1 Ori; 25 Ori

HIP 25302; Psi1 Ori; 25 Ori Star Ori Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 4.95
Range 4.76 - 4.96
Variable Type Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type B1Vpe
Star Color Blue (B-V -0.20)

Position & Identifiers

RA 05h 24m 44.8s
Dec +01° 50' 47.0"
Constellation Ori
HR 1789
HIP 25302
Bayer Psi1
Flamsteed 25 Ori
Variable ID V1086 Ori

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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 Fusion

Stellar Notes

Gamma Cas?, 4.92 - 4.96V, 14.50d? Amp. 0.07R, 0.06(R-I).
Ori OB1a.
Shell star. Also classified B3ne, BeIII-IV.
Period 3-5y? Expanding circumstellar shell.

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