46 Eri
HIP 21278; 46 Eri
DoubleStar
Eri
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.72
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
B9pSi
Star Color
Blue-white
(B-V -0.13)
Position & Identifiers
RA
04h 33m 54.8s
Dec
-06° 44' 20.0"
Constellation
Eri
HR
1449
HIP
21278
Flamsteed
46 Eri
Variable ID
EH Eri
Double Cat
3305
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Visibility
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Multiple Star System
Separation
1.2″
Companion Mag
9.2
Position Angle
68°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
BU 881
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.2″ · PA: 68° · N up, E left
Unresolved · 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
Alpha CV, amp. 0.035V, 0.065U, 3.80d.
CPM.
Survey Image
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