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In astronomy, a light curve is a graph of the light intensity of a celestial object or region as a function of time, typically with the magnitude of light received on the y-axis and with time on the x-axis. The light is usually in a particular frequency interval or band.
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light curve star curves variable shape object supernovae occultation period time stars asteroid microlensing exoplanet used astronomy quality supernova types
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Light curve | is a | graph of the light intensity of a celestial object or region as a function of time | 0.90 | text |
| Cepheids have extremely regular light curves with exactly the same period | instance of | Some types | 0.80 | text |
| amplitude | instance of | Some types | 0.80 | text |
| and shape in each cycle | instance of | Some types | 0.80 | text |
| Mira variables have somewhat less regular light curves with large amplitudes of several magnitudes | instance of | Others | 0.80 | text |
| while the semiregular variables are less regular still | instance of | Others | 0.80 | text |
| have smaller amplitudes.The shapes of variable star light curves give valuable information about the underlying physical processes producing the brightness changes | instance of | Others | 0.80 | text |
| Light curve | related to Exoplanet discovery | Periodic | 0.60 | section |
| Light curve | related to Exoplanet discovery | When | 0.60 | section |
| Light curve | related to Exoplanet discovery | These | 0.60 | section |
| Light curve | related to Exoplanet discovery | Many | 0.60 | section |
| Light curve | related to External links | The AAVSO | 0.60 | section |
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