136 Tau

HIP 27830; 136 Tau DoubleStar Tau Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 4.58

Spectral Type A0V

Star Color Blue-white (B-V -0.02)

Distance 155.3 ly

Position & Identifiers

RA 05h 53m 19.6s

Dec +27° 36' 44.0"

Constellation Tau

HR 2034

HIP 27830

Flamsteed 136 Tau

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 6.3

Companion Sp A0V

Position Angle -1°

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

Discoverer OCC 206

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.1″ · PA: -1° · N up, E left

Unresolved · 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

Spectroscopic Binary

4.8, 6.3v, sep. 0.0013", 5.969d, K 48.9k/s, V0 -17.2k/s, msin3i 0.633, asini 4.01.

Survey Image

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