Zeta Boo
HIP 71795; Zeta Boo; 30 Boo
Observable Double Star
Fair (32/100)
Sep: 1.2", Companion: mag 4.5
HIP 71795; Zeta Boo; 30 Boo
DoubleStar
Boo
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
4.43
Spectral Type
A2III
Star Color
White
(B-V 0.05)
Distance
362.4 ly
Position & Identifiers
RA
14h 41m 08.9s
Dec
+13° 43' 42.0"
Constellation
Boo
HR
5478
HIP
71795
Bayer
Zeta
Flamsteed
30 Boo
Double Cat
9343
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.2″
Companion Mag
4.5
Companion Sp
A0V
Star Colors
A: White
B: Blue-white
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 Notes
AB 4.52 A2III, 4.55 A2III, 123.44y, a = 0.595". Colors for combined HR 5477-5478. Combined mag. 3.78V. vsini 156k/s | for blended HR 5477-8.
0.012".
Survey Image
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