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R And

Observable Variable Star Excellent (74/100)

Range: 5.8 - 15.4, Period: 409.0d, Type: M

HR 90 VariableStar Andromeda (And) Visible Level 1 Naked eye / Binoculars - Monitor brightness changes
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Physical Properties

Magnitude 7.39
Range 5.8 - 15.4
Period 409 days
Variable Type Mira (Long-period Pulsating)
Spectral Type S6.5IIIeZr6Ti2
Star Color Deep ruby red (B-V 1.97)

Position & Identifiers

RA 00h 24m 02.0s
Dec +38° 34' 38.0"
Constellation Andromeda (And)
HR 90
Variable ID R And

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Spectral Classification

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Stellar Fusion

Stellar Notes

M 5.8 - 14.9v, 409.33d.
CO emission. Technetium star, also classified S6.5IIIe, S4/4eZr6Ti2, and S3,5e - S8,8e (M7e).

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