SINCE 1828
Bessel's day numbers
plural noun
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
Keep scrolling for more
Comments on Bessel's day numbers
What made you want to look up Bessel's day numbers? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Difficult Vocab Quiz
-
- Which is a synonym of discomfit?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZ
Share Bessel's day numbers
Resources for Bessel's day numbers