Chara — Star in Canes Venatici
HIP 61317; Beta Canum Venaticorum; 8 Canum Venaticorum
Observe
1Physical Properties
Magnitude
4.26
Variable Type
Beta Cephei (Pulsating)
Spectral Type
G0V
Star Color
Yellow
(B-V 0.59)
Distance
28 ly
2Position & Identifiers
RA
12h 33m 44.5s
Dec
+41° 21' 27.0"
Constellation
Canes Venatici
(CVn)
HR
4785
HIP
61317
HD
109358
SAO
44230
Bayer
Beta
Flamsteed
8 CVn
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3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium+ | Medium |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
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Feb – Apr
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7
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Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
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14
Stellar Fusion
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15Stellar Notes
Beta CVn amp. 0.05V.
2429.9d, K 2.6k/s, V0 +6.5k/s, asini 75.7. Orbit questioned by Morbey and Griffin (1987, ApJ, 317, 343). | Resolved by speckle interferometry 1978.40, sep. 0.110"; however, unresolved on numerous other occasions, so measure | must be confirmed.
Chara is the name assigned either to this star or, more generally, to the "southern hound" of the constellation Canes | Venatici; the northern "hound" is called Asterion, a name not generally assigned any particular star.
16
Light Travel Time Machine
17
Relativistic Travel
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Visibility scores assume a 150 mm Newton at Bortle 4.
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