Eta Gru

HIP 112374; Eta Gru DoubleStar Gru Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 4.85

Spectral Type K2IIICNIV

Star Color Red (B-V 1.18)

Distance 652.3 ly

Position & Identifiers

RA 22h 45m 37.9s

Dec -53° 30' 01.0"

Constellation Gru

HR 8655

HIP 112374

Bayer Eta

Visibility

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Multiple Star System

Separation 25.6″

Companion Mag 11.5

Position Angle 187°

Star Colors A: Red

Discoverer CRU 4

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 25.6″ · PA: 187° · 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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