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HIP 53334 — Double Star in Carina

Magnitude 5.9m DoubleStar Carina (Car) Visible
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Observe

1Physical Properties

Magnitude 5.93
Spectral Type K4III giant
Star Color Red (B-V 1.75)

2Position & Identifiers

RA 10h 54m 29.6s
Dec -61° 49' 36.0"
Constellation Carina (Car)
HR 4266
HIP 53334
HD 94683
SAO 251173

3How easy to split?

Primary 5.9 mag Companion 11.0 mag Separation 6.9″
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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard Hard V. hard+
150mm Newt. Medium+ Medium+ Medium
C8 203mm Easy Medium+ Medium+
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 6.9″
Companion Mag 11.0
Position Angle 156°
Star Colors A: Red
Discoverer RST4468

Separation over time

Measured 1939 → 2015 (76 y)
Separation drift 7.2" → 6.9" (-0.30")
Rate -0.0039" / y
PA drift 152° → 156° (+4°, +0.053°/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 156°

A: 5.9 · B: 11.0 · Sep: 6.9″ · PA: 156° · N up, E right

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

Explore

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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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