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HIP 114167 — Double Star in Grus

Observable Double Star Excellent (61/100)

Sep: 8.9", Companion: mag 7.0

Magnitude 5.8m DoubleStar Grus (Gru) Visible
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1Physical Properties

Magnitude 5.83
Spectral Type F6-7IV-V
Star Color Yellow (B-V 0.48)

2Position & Identifiers

RA 23h 07m 14.7s
Dec -50° 41' 11.0"
Constellation Grus (Gru)
HR 8793
HIP 114167
HD 218268
SAO 247738

3How easy to split?

Primary 5.8 mag Companion 7.1 mag Separation 8.9″
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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Easy
150mm Newt. Easy Easy Easy
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Aug – Oct (peak: Sep)

5Multiple Star System

Separation 8.9″
Companion Mag 7.0
Position Angle 254°
Star Colors A: Yellow B: Yellow
Discoverer DUN 246
CPM. Combined mag., color. Companion F8V.

Separation over time

Measured 1835 → 2016 (181 y)
Separation drift 8.1" → 8.9" (+0.80")
Rate +0.0044" / y
PA drift 261° → 254° (-7°, -0.039°/y)

Slow change over generations — observable in lifetime comparisons.

Measured from the WDS observational archive. No orbital solution has been derived — most likely the period is too long to fit an orbit to the available measurement arc.

Eyepiece View

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80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 254°

A: 5.8 · B: 7.0 · Sep: 8.9″ · PA: 254° · N up, E right

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

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Size Comparison

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Spectral Classification

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Hertzsprung-Russell Diagram

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Stellar Lifecycle

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Blackbody Spectrum

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Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

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Stellar Fusion

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