39 Sgr

HIP 93683; 39 Sgr DoubleStar Sgr Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 3.77

Spectral Type G9IIIb

Star Color Orange (B-V 1.01)

Distance 142.0 ly

Position & Identifiers

RA 19h 04m 41.0s

Dec -21° 44' 30.0"

Constellation Sgr

HR 7217

HIP 93683

Flamsteed 39 Sgr

Double Cat 11996

Visibility

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Multiple Star System

Separation 38.4″

Companion Mag 13.8

Position Angle 252°

Star Colors A: Orange

Discoverer SEE 369

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 38.4″ · PA: 252° · 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

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Survey Image

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