29 Oph

HIP 83331; 29 Oph DoubleStar Oph Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 6.26

Spectral Type K0III

Star Color Red (B-V 1.38)

Position & Identifiers

RA 17h 01m 51.2s

Dec -18° 53' 08.0"

Constellation Oph

HR 6321

HIP 83331

Flamsteed 29 Oph

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 7.2

Position Angle -1°

Star Colors A: Red

Discoverer OCC 40

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.1″ · PA: -1° · N up, E left

Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Survey Image

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