Limiting magnitude
In astronomy, limiting magnitude is the faintest apparent magnitude of a celestial body that is detectable or detected by a given instrument. In some cases, limiting magnitude refers to the upper threshold of detection. In more formal uses, limiting magnitude is specified along with the strength of the signal (e.g., "10th magnitude at 20 sigma"). Sometimes limiting magnitude is qualified by the purpose of the instrument (e.g., "10th magnitude for photometry") This statement recognizes that a photometric detector can detect light far fainter than it can reliably measure.
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2011 ES42016 DV12018 VP12020 QGAntoniadi scaleApparent magnitudeBortle scaleC/2010 X1 (Elenin)Gliese 3685Globe at NightIndex of physics articles (L)List of brightest starsMalmquist biasMilky WayNEOSTELNational Geographic Society – Palomar Observatory Sky SurveySiarnaqStar catalogueStar limiting magnitude methodSurface brightness
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Limiting magnitude
In astronomy, limiting magnitude is the faintest apparent magnitude of a celestial body that is detectable or detected by a given instrument. In some cases, limiting magnitude refers to the upper threshold of detection. In more formal uses, limiting magnitude is specified along with the strength of the signal (e.g., "10th magnitude at 20 sigma"). Sometimes limiting magnitude is qualified by the purpose of the instrument (e.g., "10th magnitude for photometry") This statement recognizes that a photometric detector can detect light far fainter than it can reliably measure.
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En astronomie, la magnitude li ...... (œil, lunette, télescope, …).
@fr
In astronomy, limiting magnitu ...... g skyglow and light pollution.
@en
La magnitudine limite è la mag ...... magnitudini) per quelle rosse.
@it
Widoczność graniczna (ang. lim ...... y idealnych warunkach ok. 6m).
@pl
Преде́льная звёздная величина́ ...... астрономических инструментов.
@ru
في علم الفلك المقدار الحدي أو ...... ديم الكوكبي
* تقلب سطوع السطح
@ar
極限星等是天文學上由給定的儀器可以檢出的最暗弱天體的視星等 ...... 。 國際暗天協會一直致力於减少霞光和光汙染,以提升極限星等。
@zh
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En astronomie, la magnitude li ...... (œil, lunette, télescope, …).
@fr
In astronomy, limiting magnitu ...... than it can reliably measure.
@en
La magnitudine limite è la mag ...... da sarà la magnitudine limite.
@it
Widoczność graniczna (ang. lim ...... y idealnych warunkach ok. 6m).
@pl
Преде́льная звёздная величина́ ...... астрономических инструментов.
@ru
في علم الفلك المقدار الحدي أو ...... ديم الكوكبي
* تقلب سطوع السطح
@ar
極限星等是天文學上由給定的儀器可以檢出的最暗弱天體的視星等 ...... 。 國際暗天協會一直致力於减少霞光和光汙染,以提升極限星等。
@zh
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Grenzgröße
@de
Limiting magnitude
@en
Magnitude limite visuelle
@fr
Magnitudine limite
@it
Widoczność graniczna
@pl
Предельная звёздная величина
@ru
القدر الحدي
@ar
極限星等
@zh