Delta Aur
HIP 28358; Delta Aur; 33 Aur
DoubleStar
Aur
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.72
Spectral Type
K0IIIb
Star Color
Orange
(B-V 1.00)
Distance
140.2 ly
Position & Identifiers
RA
05h 59m 31.6s
Dec
+54° 17' 05.0"
Constellation
Aur
HR
2077
HIP
28358
Bayer
Delta
Flamsteed
33 Aur
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
124.4″
Companion Mag
10.6
Position Angle
276°
Star Colors
A: Orange
Discoverer
ENG 24
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 124.4″ · PA: 276° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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.
Survey Image
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