4 Ari

HIP 8387; 4 Ari DoubleStar Ari Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.84

Spectral Type B9.5V

Star Color Blue-white (B-V -0.03)

Position & Identifiers

RA 01h 48m 10.9s

Dec +16° 57' 20.0"

Constellation Ari

HR 522

HIP 8387

Flamsteed 4 Ari

Visibility

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Multiple Star System

Separation 0.3″

Companion Mag 9.5

Position Angle 240°

Star Colors A: Blue-white B: Yellow

Discoverer TOK 945

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.3″ · PA: 240° · 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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