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HIP 74539

HIP 74539 DoubleStar Lib Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.84
Spectral Type gG5
Star Color Orange (B-V 1.14)

Position & Identifiers

RA 15h 13m 53.3s
Dec -26° 11' 37.0"
Constellation Lib
HR 5658
HIP 74539
Double Cat 9538

Visibility

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Multiple Star System

Separation 1.9″
Companion Mag 10.1
Position Angle 79°
Star Colors A: Orange
Discoverer B 288

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 79° A (5.8) B (10.1)

Sep: 1.9″ · PA: 79° · N up, E left

Unresolved · 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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