RS Chamaeleontis — Star in Chamaeleon
Observe
1Physical Properties
Magnitude
6.05
Range
6.02 - 6.68
Period
40.1 hours
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A5V+A7V
Star Color
Yellow-white
(B-V 0.23)
2Position & Identifiers
RA
08h 43m 12.4s
Dec
-79° 04' 11.0"
Constellation
Chamaeleon
(Cha)
HR
3524
HIP
42794
HD
75747
Variable ID
RS Cha
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3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard+ | Hard | V. hard+ |
| 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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Best season
Dec – Feb
(peak: Jan)
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5
Size Comparison
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6
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7
Spectral Classification
8
Hertzsprung-Russell Diagram
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9
Stellar Lifecycle
10
Blackbody Spectrum
11
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
12
Stellar Fusion
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13Stellar Notes
EA 6.02 - 6.66V, 1.6698684d. Also Delta Sct amp. 0.04V with possibly changing period, 0.074 - 0.097d.
1.6699d, K 136.1k/s, V0 +16.1k/s, msin3i 1.82, asini 3.13. Masses 1.25 and 1.05 solar.
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Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Chamaeleon
Mythology, bright stars, and deep-sky highlights.
Constellation
