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Iota Tau

HIP 23497; Iota Tau; 102 Tau DoubleStar Tau Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 4.64
Spectral Type A7V
Star Color Yellow-white (B-V 0.16)
Distance 172 ly

Position & Identifiers

RA 05h 03m 05.7s
Dec +21° 35' 24.0"
Constellation Tau
HR 1620
HIP 23497
Bayer Iota
Flamsteed 102 Tau

Visibility

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Multiple Star System

Separation 0.1″
Companion Mag 5.4
Position Angle -1°
Star Colors A: Yellow-white
Discoverer OCC 230

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

Probable double, 5.4, 5.4v, sep. 0.4".
Hyades cluster; Mel 25 #129.

Survey Image

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