Mu Oct

Mu Oct (BS7864)

HIP 102125; Mu Oct DoubleStar Oct Visible Level 1 Naked eye / Binoculars - Requires steady seeing

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Physical Properties

Magnitude 6.55

Spectral Type G5III

Star Color Yellow (B-V 0.62)

Position & Identifiers

RA 20h 41m 43.7s

Dec -75° 21' 02.0"

Constellation Oct

HR 7864

HIP 102125

Bayer Mu

Visibility

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Multiple Star System

Separation 16.7″

Companion Mag 7.1

Position Angle 20°

Star Colors A: Yellow B: Yellow

Discoverer DUN 232

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 16.7″ · PA: 20° · N up, E left

Resolved · 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

Double Star

CPM. Companion G5V.

Spectral

Also classified G1V.

Survey Image

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