Eta Hor

HIP 12225; Eta Hor DoubleStar Hor Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 5.31

Spectral Type A6V

Star Color Yellow-white (B-V 0.27)

Distance 130.5 ly

Position & Identifiers

RA 02h 37m 24.4s

Dec -52° 32' 35.0"

Constellation Hor

HR 778

HIP 12225

Bayer Eta

Visibility

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Multiple Star System

Separation 4.9″

Companion Mag 14.0

Position Angle 232°

Star Colors A: Yellow-white

Discoverer EHR 2

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 4.9″ · PA: 232° · 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

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Survey Image

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