Psi And

HIP 117221; Psi And; 20 And Star And Visible Level 2 Small telescope (4")

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Physical Properties

Magnitude 4.95

Spectral Type G5Ib+A0V

Star Color Orange (B-V 1.11)

Distance 3,262 ly

Position & Identifiers

RA 23h 46m 02.1s

Dec +46° 25' 13.0"

Constellation And

HR 9003

HIP 117221

Bayer Psi

Flamsteed 20 And

Visibility

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Multiple Star System

Components 4

Component IDs AD

Separation 24.8″

Companion Mag 14.6

Companion Sp A0V

Position Angle 218°

Star Colors A: Orange B: Blue-white

Discoverer BU 1532

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

Double Star

Component A has composite spectrum but star unresolved by interferometer. vsini of G5 component <19:k/s, A0 component | =<50k/s. Component B, 14.6v at 25"; C, 13.1v at 62".

Survey Image

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