Eta Sco

HIP 84143; Eta Sco DoubleStar Sco Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 3.33

Spectral Type F5IV

Star Color Yellow-white (B-V 0.41)

Distance 73.5 ly

Position & Identifiers

RA 17h 12m 09.2s

Dec -43° 14' 21.0"

Constellation Sco

HR 6380

HIP 84143

Bayer Eta

Visibility

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Multiple Star System

Separation 591.8″

Companion Mag 11.2

Position Angle 129°

Star Colors A: Yellow-white

Discoverer GAT 21

Eyepiece View

Telescope Eyepiece

15x Dawes: 1.9″ TFOV: 3.3°

Seeing

Scale Realistic = true angular size

Sep: 591.8″ · PA: 129° · 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.

Stellar Notes

Group/Cluster

Hyades group.

Spectral

Also classified F2V.

Survey Image

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