9 Aur
HIP 23783; 9 Aur
DoubleStar
Aur
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.00
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.33)
Distance
62.7 ly
Position & Identifiers
RA
05h 06m 40.6s
Dec
+51° 35' 52.0"
Constellation
Aur
HR
1637
HIP
23783
Flamsteed
9 Aur
Double Cat
3675
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Visibility
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Multiple Star System
Components
5
Component IDs
AC
Separation
4.5″
Companion Mag
12.2
Position Angle
68°
Star Colors
A: Yellow-white
Discoverer
BU 1046
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.5″ · PA: 68° · 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
A,B,C, CPM; D, optical; E, 12.3v at 132" from A.
ADS 3675A, 391.7d, K 5.8k/s, V0 -7.4k/s, asini 29.0.
Survey Image
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