T Centauri — Variable Star in Centaurus
Excellent (74/100)
Observe
1Physical Properties
Magnitude
6.05
Range
5.56 - 8.44
Period
184 days
Variable Type
RV Tauri (Pulsating Supergiant)
Spectral Type
K0e-M4IIe
Star Color
Orange
(B-V 1.44)
(reddened by dust)
2Position & Identifiers
RA
13h 41m 45.7s
Dec
-33° 35' 49.0"
Constellation
Centaurus
(Cen)
HR
5147
HIP
66825
HD
119090
SAO
204739
Variable ID
T Cen
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.5 – 9.0 mag
Amplitude
3.5 mag
Period
184 d
Type
RVA
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Imp. | Imp. | Imp. |
| 50 mm finder 50mm finder | Medium+ | Medium | Hard+ |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Mar – May
(peak: Apr)
5Survey Image
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6Light Curve
7Comparison Stars for T Cen (5.5–9.0)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
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9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
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16Stellar Notes
SRa 5.5 - 9.0v, 90.44d. Amp. 2.04V, 0.32(B-V), 1.09(U-B). Spectrum variable.
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Centaurus
Mythology, bright stars, and deep-sky highlights.
Constellation
