Mu Nor
HIP 81122; Mu Nor
DoubleStar
Nor
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.94
Spectral Type
B0Ia
Star Color
White
(B-V 0.05)
Position & Identifiers
RA
16h 34m 05.0s
Dec
-44° 02' 43.0"
Constellation
Nor
HR
6155
HIP
81122
Bayer
Mu
Variable ID
Mu Nor
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Visibility
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Multiple Star System
Separation
1.5″
Companion Mag
10.6
Position Angle
158°
Star Colors
A: White
Discoverer
SNA 41
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.5″ · PA: 158° · 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 Cyg? 4.87 - 4.98V.
Color excess E(B-V) = +0.36.
Ara OB1a; in cluster NGC 6169 #1.
Also classified O9.7Iab.
Survey Image
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