Lambda Tuc

HIP 4084; Lambda1 Tuc

HIP 4084; Lambda1 Tuc DoubleStar Tuc Visible Level 1 Naked eye / Binoculars - Requires steady seeing

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Physical Properties

Magnitude 6.22

Spectral Type F7IV-V

Star Color Yellow (B-V 0.56)

Position & Identifiers

RA 00h 52m 24.3s

Dec -69° 30' 16.0"

Constellation Tuc

HR 252

HIP 4084

Bayer Lambda1

Visibility

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Multiple Star System

Separation 20.5″

Companion Mag 7.3

Position Angle 83°

Star Colors A: Yellow B: Yellow

Discoverer DUN 2

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 20.5″ · PA: 83° · 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.

Survey Image

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