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90 Tau

HIP 21589; 90 Tau Star Tau Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 4.27
Spectral Type A6V
Star Color White (B-V 0.12)
Distance 136 ly

Position & Identifiers

RA 04h 38m 09.5s
Dec +12° 30' 39.0"
Constellation Tau
HR 1473
HIP 21589
Flamsteed 90 Tau

Visibility

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Multiple Star System

Components 3
Component IDs AC
Separation 52.6″
Companion Mag 13.3
Companion Sp K4V
Position Angle 314°
Star Colors A: White B: Orange
Discoverer BUP 66

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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Stellar Fusion

Stellar Notes

In Taurus cluster; Mel 25 #104; the Hyades.

Survey Image

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