R And
Excellent (74/100)
HR 90
VariableStar
And
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
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
Red
(B-V 1.97)
Position & Identifiers
RA
00h 24m 02.0s
Dec
+38° 34' 38.0"
Constellation
And
HR
90
Variable ID
R And
Visibility
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Light Curve
Comparison Stars for R And (5.8–14.9)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
83.5″
Companion Mag
12.4
Position Angle
142°
Star Colors
A: Red
Discoverer
BUP 7
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
M 5.8 - 14.9v, 409.33d.
CO emission. Technetium star, also classified S6.5IIIe, S4/4eZr6Ti2, and S3,5e - S8,8e (M7e).
Survey Image
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