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HIP 25187

Observable Double Star Good (58/100)

Sep: 6.2", Companion: mag 8.1

HIP 25187 DoubleStar Ori Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.90
Spectral Type B8III
Star Color Blue-white (B-V -0.03)
Distance 251 ly

Position & Identifiers

RA 05h 23m 18.5s
Dec -08° 24' 57.0"
Constellation Ori
HR 1778
HIP 25187
Double Cat 3978

Visibility

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Multiple Star System

Separation 6.2″
Companion Mag 8.1
Position Angle 138°
Star Colors A: Blue-white B: Yellow-white
Discoverer STF 701

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 138° A (5.9) B (8.1)

Sep: 6.2″ · PA: 138° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Spectral Classification

Hertzsprung-Russell Diagram

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Stellar Absorption Spectrum

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Stellar Fusion

Stellar Notes

Companion A5IV, vsini 124k/s.

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