Rho Aur
HIP 25048; Rho Aur; 20 Aur
DoubleStar
Aur
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.23
Spectral Type
B3V
Star Color
Blue-white
(B-V -0.15)
Position & Identifiers
RA
05h 21m 48.4s
Dec
+41° 48' 16.0"
Constellation
Aur
HR
1749
HIP
25048
Bayer
Rho
Flamsteed
20 Aur
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Visibility
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Multiple Star System
Separation
0.4″
Companion Mag
10.8
Star Colors
A: 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
35.5d, K 28k/s, V0 +19k/s, asini 13.7.
Cas-Tau OB1.
Survey Image
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