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X Cyg

Observable Variable Star Excellent (70/100)

Range: 5.85 - 6.91, Period: 16.4d, Type: DCEP

HIP 102276 VariableStar Cyg Visible Level 1 Naked eye / Binoculars - Monitor brightness changes
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Physical Properties

Magnitude 6.47
Range 5.85 - 6.91
Period 16.4 days
Variable Type Classical Cepheid
Spectral Type F7Ib-G8Ib
Star Color Red (B-V 1.23)

Position & Identifiers

RA 20h 43m 24.2s
Dec +35° 35' 16.0"
Constellation Cyg
HR 7932
HIP 102276
Variable ID X Cyg

Visibility

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Light Curve

Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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Multiple Star System C,D: optical

Separation 0.0″
Companion Mag 18.6
Position Angle 145°
Star Colors A: Red
Discoverer ISM 5

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 Fusion

Stellar Notes

CDelta 5.85 - 6.91, 16.386332d. Period changes.

Survey Image

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