9 Cas

HIP 330; 9 Cas DoubleStar Cas Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.88

Spectral Type A1III

Star Color Yellow-white (B-V 0.30)

Position & Identifiers

RA 00h 04m 13.6s

Dec +62° 17' 16.0"

Constellation Cas

HR 9100

HIP 330

Flamsteed 9 Cas

Visibility

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Multiple Star System

Separation 82.4″

Companion Mag 12.6

Position Angle 330°

Star Colors A: Yellow-white

Discoverer H 5 79

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 82.4″ · PA: 330° · 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.

Survey Image

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