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HIP 14043 — Double Star in Perseus

Observable Double Star Excellent (66/100)

Sep: 12.0", Companion: mag 6.2

Magnitude 5.3m DoubleStar Perseus (Per) Visible
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1Physical Properties

Magnitude 5.28
Spectral Type B7V
Star Color Blue-white (B-V -0.05)

2Position & Identifiers

RA 03h 00m 52.2s
Dec +52° 21' 06.0"
Constellation Perseus (Per)
HR 890
HIP 14043
HD 18537
SAO 23763
Double Cat 2270

3How easy to split?

Primary 5.3 mag Companion 6.2 mag Separation 12.0″
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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 Oct – Dec (peak: Nov)

5Multiple Star System

Separation 12.0″
Companion Mag 6.2
Companion Sp B9V
Position Angle 85°
Star Colors A: Blue-white B: Blue-white
Discoverer STF 331
CPM with HR 891.

Separation over time

Measured 1793 → 2019 (226 y)
Separation drift 14.1" → 12.0" (-2.10")
Rate -0.0093" / y
PA drift 90° → 85° (-5°, -0.022°/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 85°

A: 5.3 · B: 6.2 · Sep: 12.0″ · PA: 85° · N up, E right

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

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6

Size Comparison

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Spectral Classification

9

Hertzsprung-Russell Diagram

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Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

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

13

Stellar Fusion

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14Stellar Notes

Per OB3.

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

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