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Theta Car

HIP 52419; Theta Car Star Carina (Car) Visible Level 1 Naked eye / Binoculars
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Physical Properties

Magnitude 2.76
Variable Type Eclipsing Binary (Algol-type)
Spectral Type B0.2Vp
Star Color Blue (B-V -0.22)
Distance 479 ly

Position & Identifiers

RA 10h 42m 57.4s
Dec -64° 23' 40.0"
Constellation Carina (Car)
HR 4199
HIP 52419
Bayer Theta

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Spectral Classification

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Stellar Notes

Spectrum var., 1.7788d. Discussion of earlier suspected period of 0.7045d given by Walborn (1979, PASP, 91, 442). | vsini 202k/s. High speed mass ejection.
Color excess E(B-V) = +0.06.
In cluster IC 2602 #37.
Lyman beta observed from COPERNICUS. Nitrogen enhanced. Moderately He-rich.

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