Sigma Peg

HIP 112935; Sigma Peg; 49 Peg DoubleStar Peg Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.16

Spectral Type F7IV

Star Color Yellow (B-V 0.48)

Distance 75.8 ly

Position & Identifiers

RA 22h 52m 24.1s

Dec +09° 50' 08.0"

Constellation Peg

HR 8697

HIP 112935

Bayer Sigma

Flamsteed 49 Peg

Visibility

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Multiple Star System

Separation 16.0″

Companion Mag 10.2

Companion Sp M4

Position Angle 83°

Star Colors A: Yellow B: Red

Discoverer EHR 19

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 16.0″ · PA: 83° · 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 M4.

Survey Image

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