Eta Mus
HIP 64661; Eta Mus
DoubleStar
Mus
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.80
Spectral Type
B8V
Star Color
Blue-white
(B-V -0.08)
Position & Identifiers
RA
13h 15m 14.9s
Dec
-67° 53' 40.0"
Constellation
Mus
HR
4993
HIP
64661
Bayer
Eta
Variable ID
Eta Mus
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Visibility
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Multiple Star System
Separation
2.6″
Companion Mag
12.6
Position Angle
125°
Star Colors
A: Blue-white
Discoverer
HUB 11
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.6″ · PA: 125° · N up, E left
At limit · 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
E? 4.76 - 4.81V.
Component B, 8.2 A0p, Am?, CPM.
Primary of visual double, 20.0052d, K 56.5k/s, V0 -8.1k/s, asini 15.4.
Survey Image
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