12 Oph

HIP 81300; 12 Oph Star Ophiuchus (Oph) Visible Level 2 Small telescope (4")

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Physical Properties

Magnitude 5.75

Spectral Type K2V

Star Color Orange (B-V 0.82)

Distance 35 ly

Position & Identifiers

RA 16h 36m 21.5s

Dec -02° 19' 29.0"

Constellation Ophiuchus (Oph)

HR 6171

HIP 81300

Flamsteed 12 Oph

Variable ID V2133 Oph

Visibility

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Stellar Lifecycle

Spectral Classification

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

Stellar Notes

Variable Star

Amp. 0.04: at wavelength 4530; 0.02: at 6585. Rotation period from starspots, 11d.

Color

UV deficient.

Alternative Names

Also BD -1d3220.

Light Travel Time Machine

Relativistic Travel

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