Tau Ari

HIP 15737; Tau2 Ari; 63 Ari

HIP 15737; Tau2 Ari; 63 Ari DoubleStar Ari Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.09

Spectral Type K3III

Star Color Red (B-V 1.24)

Distance 407.7 ly

Position & Identifiers

RA 03h 22m 45.2s

Dec +20° 44' 31.0"

Constellation Ari

HR 1015

HIP 15737

Bayer Tau2

Flamsteed 63 Ari

Visibility

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Multiple Star System

Separation 0.2″

Companion Mag 8.1

Position Angle 299°

Star Colors A: Red

Discoverer HDS 423

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.2″ · PA: 299° · 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

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Survey Image

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