Lambda CrB

HIP 78012; Lambda CrB; 12 CrB DoubleStar CrB Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.45

Spectral Type F0IV

Star Color Yellow-white (B-V 0.33)

Distance 74.1 ly

Position & Identifiers

RA 15h 55m 47.6s

Dec +37° 56' 49.0"

Constellation CrB

HR 5936

HIP 78012

Bayer Lambda

Flamsteed 12 CrB

Visibility

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Multiple Star System

Separation 90.6″

Companion Mag 11.4

Position Angle 68°

Star Colors A: Yellow-white

Discoverer H 6 94

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 90.6″ · PA: 68° · 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

Spectral

Also classified A7III.

Survey Image

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