Eta Ara

HIP 82363; Eta Ara DoubleStar Ara Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 3.76

Spectral Type K5III

Star Color Red (B-V 1.57)

Distance 299.1 ly

Position & Identifiers

RA 16h 49m 47.1s

Dec -59° 02' 29.0"

Constellation Ara

HR 6229

HIP 82363

Bayer Eta

Visibility

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Multiple Star System

Separation 23.4″

Companion Mag 13.5

Position Angle 118°

Star Colors A: Red

Discoverer RST5067

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 23.4″ · PA: 118° · N up, E left

Resolved · 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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