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apparent magnitude

American  

noun

Astronomy.
  1. the magnitude of a star as it appears to an observer on the earth.


apparent magnitude British  

noun

  1. another name for magnitude

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

apparent magnitude Scientific  
  1. See under magnitude


Etymology

Origin of apparent magnitude

First recorded in 1870–75

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company says it is planning to use anti-reflective materials on its next-generation satellites, as well as certain flight manoeuvres to reduce the crafts’ apparent magnitude.

From Scientific American • Oct. 2, 2023

The apparent magnitude of Frelimo’s win was criticized by some independent analysts.

From Seattle Times • Oct. 17, 2019

What is the apparent magnitude of the Sun as seen from Saturn, about 10 AU away?

From Textbooks • Oct. 13, 2016

Well, it has an apparent magnitude of 7.075, a similar mass and temperature to our own sun, and a Neptune-sized planet, HD164595 b, in its orbit.

From The Guardian • Aug. 31, 2016

I need only refer to the well-known simple optical contrivances for increasing the apparent magnitude of objects.

From Illusions A Psychological Study by Sully, James