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  1. Luminosity - Wikipedia

    • Luminosity is an absolute measure of radiated electromagnetic energy per unit time, and is synonymous with the radiant power emitted by a light-emitting object. In astronomy, luminosity is the total amount of electromagnetic energy emitted per unit of time by a star, galaxy, or other astronomical objects. In SI units, luminosity is measured in joules per secon… See more

    Measurement

    When not qualified, the term "luminosity" means bolometric luminosity, which is measured either in the SI units, watts, or in … See more

    Stellar luminosity

    A star's luminosity can be determined from two stellar characteristics: size and effective temperature. The former is typically represented in terms of solar radii, R⊙, while the latter is represented in kelvins, but in most cas… See more

    Radio luminosity

    The luminosity of a radio source is measured in W Hz , to avoid having to specify a bandwidth over which it is measured. The observed strength, or flux density, of a radio source is measured in Jansky where … See more

    Relationship to magnitude

    Luminosity is an intrinsic measurable property of a star independent of distance. The concept of magnitude, on the other hand, incorporates distance. The apparent magnitude is a measure of the diminishing flux of light … See more

     
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  2. Luminosity | Brightness, Magnitude & Intensity | Britannica

     
  3. Luminosity – Definition & Detailed Explanation - Sentinel Mission

  4. Brightness, Luminosity and Flux of Stars Explained - Perfect …

  5. Luminosity and magnitude explained | Space

  6. What Is Luminosity and What does it Tell Us?

    Jan 10, 2020 · Luminosity is the term that we apply to all wavelengths, regardless of where they lie on the electromagnetic spectrum. Astronomers study the different wavelengths of light from celestial objects by taking the incoming light …

  7. Luminosity and Apparent Brightness | Astronomy 801: …

    When I say apparent brightness, I mean how bright the star appears to a detector here on Earth. The luminosity of a star, on the other hand, is the amount of light it emits from its surface. The difference between luminosity and apparent …

  8. Luminosities and Absolute Magnitudes - Astronomy: …

    Luminosity is the total intrinsic power output of a star or other astronomical object and absolute magnitude is a direct conversion to/from luminosity. Equation (15.5) provides the direct conversion between the two quantities.

  9. What is Luminosity? | Luminosity - theastrophysics.com

  10. Luminosity | COSMOS - Swinburne

  11. What is Luminosity? - Universe Guide

  12. Brightness, Luminosity and Radius - How Stars Work

  13. 9.4 Luminosity and Apparent Brightness – Fanshawe College …

  14. Luminosity: Definition, Stellar Luminosity, Classifications and

  15. Luminosity - (Astrophysics II) - Vocab, Definition, Explanations

  16. Luminosity - (Astrophysics I) - Vocab, Definition, Explanations

  17. Luminosity - (Intro to Astronomy) - Vocab, Definition ... - Fiveable

  18. Teach Astronomy - Stellar Luminosity

  19. What is Luminosity – The Measurement of Brightness of An Object

  20. Luminosity of a Star | Overview, Formula & Measurement

  21. Eddington luminosity - Wikipedia