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Alpha Cam

HIP 22783; Alpha Cam; 9 Cam Star Cam Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 4.29
Spectral Type O9.5Ia
Star Color White (B-V 0.03)

Position & Identifiers

RA 04h 54m 03.0s
Dec +66° 20' 34.0"
Constellation Cam
HR 1542
HIP 22783
Bayer Alpha
Flamsteed 9 Cam

Visibility

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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

Color excess E(B-V) = +0.32.
In cluster NGC 1502. A possible runaway star from Cam OB1; in reflection nebula. Member assoc. Cam R1 at 870 pc.
H alpha emission due to extended envelope. uv 1548 absorption strong, 1394 very strong. Central Balmer emission in | blue-violet only.

Survey Image

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