Gamma Doradus — Star in Dorado
Observe
1Physical Properties
Magnitude
4.25
Range
4.2 - 4.28
Period
18.2 hours
Variable Type
Gamma Doradus (Pulsating)
Spectral Type
F4III
giant
Star Color
Yellow-white
(B-V 0.30)
Distance
53 ly
2Position & Identifiers
RA
04h 16m 01.6s
Dec
-51° 29' 12.0"
Constellation
Dorado
(Dor)
HR
1338
HIP
19893
HD
27290
SAO
233457
Bayer
Gamma
Variable ID
Gam Dor
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
Set a location in User Settings to see visibility data.
Best season
Oct – Dec
(peak: Nov)
5Survey Image
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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
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15Stellar Notes
EW? or Delta Sct? 4.23 - 4.27V, per. between 0.33 and 1.0d.
Also classified F0V-F5V.
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.
Explore Nightbase
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1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
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Mythology, bright stars, and deep-sky highlights.
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The Life of Stars
From birth in a nebula to spectacular death — how stars are born, shine, swell, and die, and how to read the clues in their starlight.
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