apparent magnitude

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apparent magnitude

noun apparent magnitudes

  1. countable, uncountable a numerical measure of the brightness of a star, planet etc.; a star with apparent magnitude 0 gives an illuminance of 2.54 microlux just outside the earth's atmosphere, or 82% of that (2.08 microlux) under clear skies, and every increase of 1 unit represents a decrease in the light received by a factor of 2.512.

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noun measure of the brightness of a heavenly body

हिन्दीसापेक्ष कांतिमान sāpekṣ kāntimān
Portuguêsmagnitude aparente
Françaismagnitude apparente
Românămagnitudine aparentă
Русскийви́димая звёздная величина́ vídimaja zvjózdnaja veličiná

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MLA

"apparent magnitude." Wiktionary, via Micwyn, micwyn.com/word/apparent%20magnitude. Accessed 8 Nov. 2026.

APA

apparent magnitude. (n.d.). In Wiktionary, via Micwyn. Retrieved November 8, 2026, from https://micwyn.com/word/apparent%20magnitude

Chicago

"apparent magnitude." Wiktionary, via Micwyn. Accessed November 8, 2026. https://micwyn.com/word/apparent%20magnitude.

BibTeX
@misc{apparent_magnitude_2026,
  title = {apparent magnitude},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/apparent%20magnitude},
  urldate = {2026-11-08}
}