Epsilon Her

HIP 83207; Epsilon Her; 58 Her DoubleStar Her Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 3.92

Spectral Type A0IVp lambda Boo

Star Color Blue-white (B-V -0.01)

Distance 155.0 ly

Position & Identifiers

RA 17h 00m 17.4s

Dec +30° 55' 35.0"

Constellation Her

HR 6324

HIP 83207

Bayer Epsilon

Flamsteed 58 Her

Visibility

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Multiple Star System

Separation 1.0″

Position Angle 90°

Star Colors A: Blue-white

Discoverer ISO 3

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 1.0″ · PA: 90° · 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

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

Stellar Notes

Spectroscopic Binary

4.0235d, K 70.7k/s, V0 -24.2k/s, msin3i 1.56, asini 3.91.

Survey Image

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