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HIP 52127 — Double Star in Carina

Observable Double Star Excellent (62/100)

Sep: 27.1", Companion: mag 8.0

Magnitude 5.9m DoubleStar Carina (Car) Visible
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Observe

1Physical Properties

Magnitude 5.92
Spectral Type M1III giant
Star Color Red (B-V 1.65)

2Position & Identifiers

RA 10h 38m 59.4s
Dec -58° 49' 01.0"
Constellation Carina (Car)
HR 4179
HIP 52127
HD 92436
SAO 238304

3How easy to split?

Primary 5.9 mag Companion 8.0 mag Separation 27.1″
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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 Jan – Mar (peak: Feb)

5Multiple Star System

Separation 27.1″
Companion Mag 8.0
Position Angle 81°
Star Colors A: Red
Discoverer GLI 152
Optical.

Separation over time

Measured 1852 → 2015 (163 y)
Separation drift 17.2" → 27.1" (+9.90")
Rate +0.0607" / y
PA drift 67° → 81° (+14°, +0.086°/y)

Apparent motion is significant on a human timescale — worth revisiting in a decade.

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 81°

A: 5.9 · B: 8.0 · Sep: 27.1″ · PA: 81° · 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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