R Dor
Excellent (68/100)
HIP 21479
VariableStar
Dorado
(Dor)
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
5.40
Range
4.78 - 6.32
Period
172 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M8eIII:
Star Color
Red
(B-V 1.58)
Position & Identifiers
RA
04h 36m 45.6s
Dec
-62° 04' 39.0"
Constellation
Dorado
(Dor)
HR
1492
HIP
21479
Variable ID
R Dor
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Visibility
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Light Curve
Comparison Stars for R Dor (4.8–6.6)
Nearby stable stars for estimating brightness (AAVSO)
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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
Component A of triple, SRb 4.8 - 6.6v, about 338d.
B is 11.9 at 34". Uncertain which of components B,C is the brighter: discordant magnitudes.
Gamma Leo group.
Probable SiO maser emission. One of the brightest stars in infrared and brightest star visually to show a spectrum as | late-type as M8.0.
Survey Image
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