R Tri
Showpiece (80/100)
HIP 12193
VariableStar
Tri
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
5.30
Range
5.4 - 12.6
Period
267 days
Variable Type
Mira (Long-period Pulsating)
Spectral Type
M4IIIe
Star Color
Red
(B-V 1.55)
Distance
408 ly
Position & Identifiers
RA
02h 37m 02.5s
Dec
+34° 15' 50.0"
Constellation
Tri
HR
758
HIP
12193
Variable ID
R Tri
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Visibility
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Light Curve
Comparison Stars for R Tri (5.4–12.6)
Nearby stable stars for estimating brightness (AAVSO)
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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
M 5.4 - 12.6v, 266.43d.
IR source.
Survey Image
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