32 Ori

Observable Double Star Fair (26/100)

Sep: 1.3", Companion: mag 5.8

HIP 25813; 32 Ori DoubleStar Orion (Ori) Visible Level 5 Expert level - Requires steady seeing

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Physical Properties

Magnitude 4.20

Spectral Type B5V

Star Color Blue-white (B-V -0.14)

Distance 652 ly

Position & Identifiers

RA 05h 30m 47.1s

Dec +05° 56' 53.0"

Constellation Orion (Ori)

HR 1839

HIP 25813

Flamsteed 32 Ori

Double Cat 4115

Visibility

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Multiple Star System

Separation 1.3″

Companion Mag 5.8

Position Angle 44°

Star Colors A: Blue-white B: White

Discoverer STF 728

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 1.3″ · PA: 44° · N up, E left

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

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

Stellar Notes

Double Star

4.49 B5IV, 5.82 B7V, 586y, a = 1.293". Combined mag. and colors.

Group/Cluster

Cas-Tau OB1; member of Pleiades group. Field of Ori OB1a but probably not member.

Dynamical

0.008".

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