Psi Aur
HIP 31832; Psi2 Aur; 50 Aur
HIP 31832; Psi2 Aur; 50 Aur
DoubleStar
Aur
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.79
Spectral Type
K3III
Star Color
Red
(B-V 1.23)
Distance
815.4 ly
Position & Identifiers
RA
06h 39m 19.9s
Dec
+42° 29' 20.0"
Constellation
Aur
HR
2427
HIP
31832
Bayer
Psi2
Flamsteed
50 Aur
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
51.5″
Companion Mag
11.5
Position Angle
104°
Star Colors
A: Red
Discoverer
BUP 92
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 51.5″ · PA: 104° · 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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