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WZ Cas

Observable Variable Star

Range: 6.8 - 7.7, Period: 186.0d, Type: SRB

HIP 99 DoubleStar Cas Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 6.90
Range 6.8 - 7.7
Period 186.000 days
Variable Type Semi-Regular Variable (Late-type Giant)
Spectral Type C
Star Color Red (B-V 3.00)

Position & Identifiers

RA 00h 01m 16.0s
Dec +60° 21' 19.0"
Constellation Cas
HR 9114
HIP 99
Variable ID WZ Cas

Visibility

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Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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Multiple Star System

Separation 57.8″
Companion Mag 8.3
Companion Sp G5
Position Angle 89°
Star Colors A: Red B: Orange
Discoverer STTA254

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 89° A (6.9) B (8.3)

Sep: 57.8″ · PA: 89° · 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

Carbon star; Period 186d
Beautiful color contrast with blue companion; Carbon star

Survey Image

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