Epsilon CrB

HIP 78159; Epsilon CrB; 13 CrB Star Corona Borealis (CrB) Visible Level 2 Small telescope (4")

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Physical Properties

Magnitude 4.15

Spectral Type K2IIIab

Star Color Red (B-V 1.23)

Distance 136 ly

Position & Identifiers

RA 15h 57m 35.3s

Dec +26° 52' 40.0"

Constellation Corona Borealis (CrB)

HR 5947

HIP 78159

Bayer Epsilon

Flamsteed 13 CrB

Double Cat 9859

Visibility

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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 Fusion

Exoplanets 1 known planet

Planet	Radius	Mass	Period	Distance	Method	Year
eps CrB b	12.70R⊕	6.70M♃	1.1yr	228ly	Radial Velocity	2012

Habitable Zone

Size & Mass Comparison

Stellar Notes

Double Star

Component B, 12.6v at 2", CPM.

Light Travel Time Machine

Relativistic Travel

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