TU Canum Venaticorum — Variable Star in Canes Venatici
Excellent (67/100)
Observe
1Physical Properties
Magnitude
5.84
Range
5.50 - 6.20
Period
44 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M5III
Star Color
Red
(B-V 1.55)
2Position & Identifiers
RA
12h 54m 56.5s
Dec
+47° 11' 48.0"
Constellation
Canes Venatici
(CVn)
HR
4909
HIP
63024
HD
112264
Variable ID
TU CVn
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.6 – 6.6 mag
Amplitude
1.1 mag
Period
44.2 d
Type
SRB
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard+ | V. hard | V. hard |
| 50 mm finder 50mm finder | Medium+ | Medium+ | Medium+ |
| 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
Feb – Apr
(peak: Mar)
5Light Curve
6Comparison Stars for TU CVn (5.5–6.6)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
7
Size Comparison
Querying VizieR for stellar data…
8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
SRb 5.55 - 6.6V, 7.2 - 7.7p, 50d.
Survey Image
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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
Canes Venatici
Mythology, bright stars, and deep-sky highlights.
Constellation
