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45 Ori

HIP 26268; 45 Ori DoubleStar Ori Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.26
Spectral Type F0III
Star Color Yellow-white (B-V 0.24)
Distance 125.4 ly

Position & Identifiers

RA 05h 35m 39.5s
Dec -04° 51' 21.0"
Constellation Ori
HR 1901
HIP 26268
Flamsteed 45 Ori
Double Cat 4196

Visibility

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Multiple Star System

Components 3
Component IDs AC
Separation 20.6″
Companion Mag 14.3
Position Angle 171°
Star Colors A: Yellow-white
Discoverer HLD 173

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 171° A (5.3) B (14.3)

Sep: 20.6″ · PA: 171° · N up, E left

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

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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

Stellar Notes

Ori OB1c2.

Survey Image

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