Upsilon Aur
HIP 27639; Upsilon Aur; 31 Aur
Star
Aur
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
4.74
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
M0+III-IIIbFe-0.5
Star Color
Red
(B-V 1.62)
Position & Identifiers
RA
05h 51m 02.4s
Dec
+37° 18' 20.0"
Constellation
Aur
HR
2011
HIP
27639
Bayer
Upsilon
Flamsteed
31 Aur
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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 Notes
Amp. 0.1V. Cycles 35-36d in 1970-1 not confirmed in other seasons.
Survey Image
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