R Mus
Observable Variable Star
Good (58/100)
Range: 5.9 - 6.5, Period: 7.5d
HIP 61981
VariableStar
Mus
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.33
Spectral Type
F7Ib-G2
Star Color
Orange
(B-V 0.78)
Position & Identifiers
RA
12h 42m 05.1s
Dec
-69° 24' 27.0"
Constellation
Mus
HR
4820
HIP
61981
Variable ID
R Mus
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Visibility
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Comparison Stars for R Mus (5.9–6.5)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
7.0″
Companion Mag
15.7
Position Angle
329°
Star Colors
A: Orange
Discoverer
EVS 20
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 7.0″ · PA: 329° · 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
CDelta 5.89 - 6.49V, 7.510211d. Period changes.
Survey Image
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