12 Sco

Observable Double Star Good (53/100)

Sep: 3.8", Companion: mag 8.1

HIP 79399; 12 Sco DoubleStar Sco Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 5.67

Spectral Type B9V

Star Color White (B-V 0.01)

Distance 155 ly

Position & Identifiers

RA 16h 12m 15.9s

Dec -28° 25' 03.0"

Constellation Sco

HR 6029

HIP 79399

Flamsteed 12 Sco

Double Cat 9953

Visibility

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Multiple Star System

Separation 3.8″

Companion Mag 8.1

Position Angle 69°

Star Colors A: White B: Yellow-white

Discoverer HJ 4839

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 3.8″ · PA: 69° · 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 Fusion

Stellar Notes

Double Star

Binary, companion F3V.

Group/Cluster

Sco OB2; upper Sco region.

Survey Image

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