Pi Tuc

HIP 1647; Pi Tuc DoubleStar Tuc Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 5.51

Spectral Type B9V

Star Color Blue-white (B-V -0.05)

Distance 296.5 ly

Position & Identifiers

RA 00h 20m 39.0s

Dec -69° 37' 30.0"

Constellation Tuc

HR 83

HIP 1647

Bayer Pi

Visibility

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Multiple Star System

Separation 2.3″

Companion Mag 10.1

Position Angle 216°

Star Colors A: Blue-white B: Yellow

Discoverer HUB 1

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 2.3″ · PA: 216° · 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.

Survey Image

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