Phi Aur
HIP 25541; Phi Aur; 24 Aur
DoubleStar
Aur
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.07
Spectral Type
K3IIICN+2
Star Color
Red
(B-V 1.40)
Distance
362.4 ly
Position & Identifiers
RA
05h 27m 38.9s
Dec
+34° 28' 33.0"
Constellation
Aur
HR
1805
HIP
25541
Bayer
Phi
Flamsteed
24 Aur
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Visibility
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Multiple Star System
Components
4
Component IDs
AD
Separation
23.6″
Companion Mag
14.6
Position Angle
353°
Star Colors
A: Red
Discoverer
BUP 79
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 23.6″ · PA: 353° · 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.
Stellar Notes
Hyades group.
Survey Image
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