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14 Aur

Observable Variable Star

Range: 4.95 - 5.08, Period: 2.1h, Type: DSCTC+ELL

HIP 24504; 14 Aur DoubleStar Aur Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.02
Range 4.95 - 5.08
Period 2.1 hours
Variable Type Delta Scuti (Low Amplitude)
Spectral Type A9IVDel Del
Star Color Yellow-white (B-V 0.23)
Distance 465.9 ly

Position & Identifiers

RA 05h 15m 24.4s
Dec +32° 41' 16.0"
Constellation Aur
HR 1706
HIP 24504
Flamsteed 14 Aur
Variable ID KW Aur
Double Cat 3824

Visibility

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Light Curve

Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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Multiple Star System

Components 4
Component IDs AC
Separation 8.9″
Companion Mag 10.9
Companion Sp F2V
Position Angle 11°
Star Colors A: Yellow-white B: Yellow-white
Discoverer STF 653

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 11° A (5.0) B (10.9)

Sep: 8.9″ · PA: 11° · 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

Delta Sct 4.94 - 5.10V, 0.088088d. Form of light curve varies. Also nonradial pulsations of 0.096533 and 0.088243d.
AC binary. B, 11v F4V at 13" optical.
ADS 3824A, 3.788506d, K 23.0k/s, V0 -9.8k/s, asini 1.20.
Possible new Eggen group with HR 63, q.v.

Survey Image

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