16 Aur

HIP 24727; 16 Aur DoubleStar Aur Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 4.54

Spectral Type K2.5IIIbFe-1

Star Color Red (B-V 1.27)

Distance 233.0 ly

Position & Identifiers

RA 05h 18m 10.7s

Dec +33° 22' 18.0"

Constellation Aur

HR 1726

HIP 24727

Flamsteed 16 Aur

Double Cat 3872

Visibility

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Multiple Star System

Separation 4.2″

Companion Mag 10.6

Position Angle 57°

Star Colors A: Red

Discoverer STT 103

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 4.2″ · PA: 57° · 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

Variable Star

ADS 3872A, E?

Double Star

CPM.

Spectroscopic Binary

ADS 3872A, 434.8d, K 14.8k/s, V0 -27.5k/s, asini 88.0.

Spectral

Also classified K2.5IIIb CN-0.5.

Survey Image

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