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66 Tau

HIP 20522; 66 Tau DoubleStar Tau Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.12
Spectral Type A3V
Star Color White (B-V 0.07)
Distance 3,262 ly

Position & Identifiers

RA 04h 23m 51.9s
Dec +09° 27' 39.0"
Constellation Tau
HR 1381
HIP 20522
Flamsteed 66 Tau
Double Cat 3182

Visibility

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Multiple Star System

Separation 0.3″
Companion Mag 5.9
Companion Sp A1V
Position Angle 35°
Star Colors A: White B: White
Discoverer HU 304

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

5.8 A3V, 5.9 A4V, 51.6y, a = 0.18", or 55.40y, a = 0.20".
UMa stream.
0.007".

Survey Image

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