5 Lac

HIP 111022; 5 Lac Star Lacerta (Lac) Visible Level 1 Naked eye / Binoculars

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Physical Properties

Magnitude 4.36

Range 4.23 - 4.43

Variable Type LC

Spectral Type M0II+B8V

Star Color Red (B-V 1.68)

Distance 544 ly

Position & Identifiers

RA 22h 29m 31.8s

Dec +47° 42' 25.0"

Constellation Lacerta (Lac)

HR 8572

HIP 111022

Flamsteed 5 Lac

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Spectral Classification

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Stellar Notes

Spectroscopic Binary

41.95y, K 12.2k/s, V0 -3.4k/s, asini 2240. Unresolved by speckle interferometry. SKYLAB indicates cool star with | hot companion. vsini of B-type component 90:k/s.

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