IY Vel

HIP 43807 DoubleStar Vel Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 6.26

Spectral Type B3IV

Star Color Blue (B-V -0.16)

Position & Identifiers

RA 08h 55m 19.3s

Dec -45° 02' 30.0"

Constellation Vel

HR 3562

HIP 43807

Variable ID IY Vel

Visibility

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Multiple Star System

Separation 33.3″

Companion Mag 12.6

Position Angle 131°

Star Colors A: Blue

Discoverer HJ 4153

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 33.3″ · PA: 131° · 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

Variable Star

Amp. 0.04:V. Multiple periods 1.97, 1.73 and 1.66d found, but subsequently questioned.

Survey Image

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