R Cen
Observable Variable Star
Excellent (63/100)
Range: 5.3 - 11.8, Period: 546.2d
HIP 69754
VariableStar
Cen
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
6.39
Spectral Type
M5IIe
Star Color
Red
(B-V 2.04)
Position & Identifiers
RA
14h 16m 34.2s
Dec
-59° 54' 50.0"
Constellation
Cen
HR
5326
HIP
69754
Variable ID
R Cen
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Visibility
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Comparison Stars for R Cen (5.3–11.8)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
26.8″
Companion Mag
12.2
Position Angle
215°
Star Colors
A: Red
Discoverer
I 366
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 26.8″ · PA: 215° · 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
I 1240A, M 5.3 - 11.8v, 546.2d.
Also classified M4e-M8IIe. H2O maser.
Survey Image
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