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