Epsilon Nor
Observable Double Star
Excellent (60/100)
Sep: 22.9", Companion: mag 6.1
HIP 80582; Epsilon Nor
DoubleStar
Nor
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.47
Spectral Type
B4V
Star Color
Blue-white
(B-V -0.07)
Position & Identifiers
RA
16h 27m 11.1s
Dec
-47° 33' 18.0"
Constellation
Nor
HR
6115
HIP
80582
Bayer
Epsilon
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Visibility
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Multiple Star System
Separation
22.9″
Companion Mag
6.1
Position Angle
334°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
HJ 4853
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 22.9″ · PA: 334° · 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
Companion 7.46v B9V, CPM, possibly binary with the SB.
Primary of visual double, B2, B9.5, 3.2617d, K 122.5k/s, V0 -12.5k/s, asini 5.45. Equal components.
Sco-Cen assoc.
Survey Image
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