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71 Ori

HIP 29650; 71 Ori DoubleStar Ori Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.20
Spectral Type F6V
Star Color Yellow-white (B-V 0.44)
Distance 79.5 ly

Position & Identifiers

RA 06h 14m 50.9s
Dec +19° 09' 23.0"
Constellation Ori
HR 2220
HIP 29650
Flamsteed 71 Ori
Double Cat 4842

Visibility

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Multiple Star System

Components 4
Component IDs AB
Separation 5.6″
Companion Mag 11.2
Position Angle 179°
Star Colors A: Yellow-white
Discoverer HJ 2302

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 179° A (5.2) B (11.2)

Sep: 5.6″ · PA: 179° · 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

B and C optical. Aitken and Wallenquist disagree on magnitude difference: Aitken AB 6.0, AC 5.3, AD 4.8; Wallenquist | 5.6, 7.6, 7.3, respectively. Separation 25", 76" and 86", respectively.

Survey Image

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