126 Tau

HIP 26777; 126 Tau DoubleStar Tau Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 4.86

Variable Type Beta Cephei (Pulsating)

Spectral Type B3IV

Star Color Blue-white (B-V -0.13)

Distance 233 ly

Position & Identifiers

RA 05h 41m 17.7s

Dec +16° 32' 02.0"

Constellation Tau

HR 1946

HIP 26777

Flamsteed 126 Tau

Double Cat 4265

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 6.6

Companion Sp B7V

Position Angle 273°

Star Colors A: Blue-white B: Blue-white

Discoverer BU 1007

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

Variable Star

ADS 4265B, Beta C? 6.2 - 7.0v.

Double Star

5.3 B3IV, 5.9 B3V, 95.36y, a = 0.357". Equal components. Combined mag., colors.

Group/Cluster

Member of the local association (Pleiades group); Cas-Tau OB1.

Dynamical

0.004".

Survey Image

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