Al Anz
HIP 23416; Epsilon Aur; 7 Aur
HIP 23416; Epsilon Aur; 7 Aur
Star
Aur
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
2.99
Range
2.9 - 3.8
Period
9890 days
Variable Type
E-DO/GS+SRD
Spectral Type
F0Ia
Star Color
Yellow
(B-V 0.54)
Distance
2,038 ly
Position & Identifiers
RA
05h 01m 58.1s
Dec
+43° 49' 24.0"
Constellation
Aur
HR
1605
HIP
23416
Bayer
Epsilon
Flamsteed
7 Aur
Variable ID
Eps Aur
Double Cat
3605
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Visibility
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Light Curve
Multiple Star System C,E,F: optical
Components
6
Component IDs
AE
Separation
29.3″
Companion Mag
14.0
Companion Sp
B
Position Angle
226°
Star Colors
A: Yellow
B: Blue
Discoverer
BU 554
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
ADS 3605A, EA 2.94 - 3.83V, 9892d. Spectrum var. even outside eclipse. RV and light fluctuations about 110d.
ADS 3605A. A* 2.98 var. A8Iap. Five visual and one astrometric components. AB visual binary, B, 14v at 29"; C, | 11.26V, +1.83(B-V), +1.31(U-B), at 43"; D, 12.0v at 46".
ADS 3605A, 9890d, K 15.0k/s, V0 -1.4k/s, msin3i 16.8, asini 2000. Unresolved by speckle interferometry.
Shell star. Also classified A8Ia-F2epIa + B.
Al Anz; Almaaz.
Survey Image
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