Nu Tucanae — Variable Star in Tucana
Excellent (62/100)
Observe
1Physical Properties
Magnitude
4.81
Range
4.69 - 5.15
Period
24.9 days
Variable Type
Semi-Regular Variable (Short Period)
Spectral Type
M4III
giant
Star Color
Red
(B-V 1.61)
Distance
466 ly
2Position & Identifiers
RA
22h 33m 00.1s
Dec
-61° 58' 56.0"
Constellation
Tucana
(Tuc)
HR
8582
HIP
111310
HD
213442
SAO
255247
Bayer
Nu
Variable ID
Nu Tuc
Querying VizieR catalog...
3How easy to follow?
Magnitude
4.7 – 5.2 mag
Amplitude
0.5 mag
Period
24.86 d
Type
SRS
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | V. hard+ | V. hard+ |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Medium | Medium | Medium |
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
Jul – Sep
(peak: Aug)
5Survey Image
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6Light Curve
7Comparison Stars for Nu Tuc (4.7–5.2)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
Querying VizieR for stellar data…
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
Discover
16
Light Travel Time Machine
17
Relativistic Travel
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
Tucana
Mythology, bright stars, and deep-sky highlights.
Constellation
