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Bessel's day numbers

plural noun
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variants: or Bessel's star numbers

Definition of Bessel's day numbers

: four numbers, A, B, C, D, constant for all stars, whose logarithms are tabulated for different dates and used in calculating the apparent change in right ascension and declination for any date from any date

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History and Etymology for Bessel's day numbers

after F. W. Bessel

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Dictionary Entries Near Bessel's day numbers

bess-bug

Bessel's day numbers

Bessel function

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Cite this Entry

“Bessel's day numbers.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bessel%27s%20day%20numbers. Accessed 30 Jun. 2022.

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