Sceptrum

HIP 21594; 53 Eri

HIP 21594; 53 Eri DoubleStar Eri Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 3.87

Spectral Type K1III

Star Color Orange (B-V 1.09)

Distance 109.8 ly

Position & Identifiers

RA 04h 38m 10.8s

Dec -14° 18' 14.0"

Constellation Eri

HR 1481

HIP 21594

Flamsteed 53 Eri

Visibility

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Multiple Star System

Separation 1.0″

Companion Mag 7.0

Position Angle 10°

Star Colors A: Orange

Discoverer KUI 18

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 1.0″ · PA: 10° · 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

Alternative Names

Sceptrum.

Survey Image

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