Omega Ser

HIP 77578; Omega Ser; 34 Ser DoubleStar Ser Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.23

Spectral Type G8III

Star Color Orange (B-V 1.02)

Distance 120.8 ly

Position & Identifiers

RA 15h 50m 17.5s

Dec +02° 11' 47.0"

Constellation Ser

HR 5888

HIP 77578

Bayer Omega

Flamsteed 34 Ser

Visibility

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Multiple Star System

Separation 74.8″

Companion Mag 10.3

Companion Sp K0

Position Angle 300°

Star Colors A: Orange B: Orange

Discoverer SKF1311

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 74.8″ · PA: 300° · 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

Group/Cluster

UMa stream.

Spectral

Also classified A6IVm.

Survey Image

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