Sigma Lup

HIP 71121; Sigma Lup DoubleStar Lup Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 4.42

Spectral Type B2III

Star Color Blue (B-V -0.19)

Position & Identifiers

RA 14h 32m 36.9s

Dec -50° 27' 25.0"

Constellation Lup

HR 5425

HIP 71121

Bayer Sigma

Visibility

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Multiple Star System

Separation 25.9″

Companion Mag 14.2

Position Angle 203°

Star Colors A: Blue

Discoverer RIZ 10

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 25.9″ · PA: 203° · 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

Member of the local association (Pleiades group).

Survey Image

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