Which light do we use to measure flux?

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    Flux Light Measure
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SUMMARY

The measurement of flux from celestial bodies can utilize various wavelengths, including visible light, X-rays, and ultraviolet (UV) light, depending on the specific astronomical object being observed. For instance, daily solar flux readings are typically conducted at a frequency of 2800 MHz, corresponding to a wavelength of 10.7 cm. The choice of wavelength is crucial as it directly influences the type of data collected and the insights gained from the observations.

PREREQUISITES
  • Understanding of electromagnetic spectrum and its components
  • Familiarity with astronomical observation techniques
  • Knowledge of solar radiation measurements
  • Basic principles of flux and signal strength in astrophysics
NEXT STEPS
  • Research the methods for measuring solar flux at 10.7 cm wavelength
  • Learn about the differences between X-ray, UV, and visible light observations in astronomy
  • Explore tools for analyzing flux data from various wavelengths
  • Investigate the impact of wavelength selection on astronomical data interpretation
USEFUL FOR

Astronomers, astrophysics students, and researchers interested in the measurement and analysis of celestial light across different wavelengths.

Phys12
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When we record the flux of a light coming to us from outer space, which light do we use? Do we use visible light or X-ray or UV? Or is it all? Or does it depend on what we're looking at?
 
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anything you like ... you just need to state at what freq or wavelength the flux (signal strength) was taken at

for example the daily solar flux reading from the sun is done at 10.7cm (2800 MHz)Dave
 
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