RR UMi
Good (59/100)
HIP 73199
VariableStar
Ursa Minor
(UMi)
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
4.60
Range
4.44 - 4.85
Period
43 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M4.5III
Star Color
Red
(B-V 1.59)
Distance
326 ly
Position & Identifiers
RA
14h 57m 35.0s
Dec
+65° 55' 57.0"
Constellation
Ursa Minor
(UMi)
HR
5589
HIP
73199
Variable ID
RR UMi
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Visibility
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Light Curve
Comparison Stars for RR UMi (4.4–4.8)
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
SR? 6.17 - 6.5p, 40?d.
748.9d, K 8.3k/s, V0 +6.2k/s, asini 84.
Hyades group.
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