Delta Chamaeleontis — Star in Chamaeleon
HIP 52633; Delta2 Chamaeleontis
Observe
1Physical Properties
Magnitude
4.45
Spectral Type
B2.5IV
subgiant
Star Color
Blue
(B-V -0.19)
2Position & Identifiers
RA
10h 45m 46.8s
Dec
-80° 32' 25.0"
Constellation
Chamaeleon
(Cha)
HR
4234
HIP
52633
HD
93845
SAO
258593
Bayer
Delta2
Querying VizieR catalog...
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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Best season
Jan – Mar
(peak: Feb)
5Survey Image
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7
Size Comparison
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8
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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
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15Stellar Notes
Probable member of Sco-Cen cluster.
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.
Explore Nightbase
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Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
Article
Chamaeleon
Mythology, bright stars, and deep-sky highlights.
Constellation
