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MCQAdvancedCosmology & Universe
USAAAO — 2024 First Round
Question 25
There is a galaxy at redshift 0.5 for which we have a measurement for apparent bolometric magnitude to be 22. With a standard candle in that galaxy, we have found its luminosity distance to Earth to be 2.8 Gpc. Estimate the luminosity of this galaxy.
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Source
USAAAO 2024 First Round, Question 25. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.