Tables for Facilitating the Computation of Star Constants
Tables for Facilitating the Computation of Star Constants
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In our eReader you can find the full English version of the book. Read Tables for Facilitating the Computation of Star Constants Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Tables for Facilitating the Computation of Star Constants
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To quickly assess the difficulty of the text, read a short excerpt:
I purposely asked for xvi Introduction to Tables for books of date near the end of a year because the star-corrections are then largest (owing to the effect of precession) and discrepancies would be also largest.
Taking the first 100 stars in one of these books, and restricting the logs, to three figures, and comparing the results with those obtained previously, I find differences in Declination corrections as follows : Error. Number Error. Number of cases. Of cases.
0-05 i +0-01 5 0-04 6 + 0-0...2 9 0-03 u 4-0-03 6 0-02 ii +0-04 3 o-oi 32 +0-05 i o-oo 15 Total .... 100 The small systematic error previously mentioned is conspicuous in this example.
Many of the star-corrections about this period have values near 20", and the errors are thus grouped about a mean somewhere near o"oi. Also it will be noticed that about half the errors (viz. , 52 out of 100) are less than o"-O2. It would perhaps be fairer to count not those which differ from zero by less than o"-O2 numerically, but those which differ from the mean value o"-oi by less than this amount : i.
What to read after Tables for Facilitating the Computation of Star Constants?
You can find similar books in the "Read Also" column, or choose other free books by Edward James Stone to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
I purposely asked for xvi Introduction to Tables for books of date near the end of a year because the star-corrections are then largest (owing to the effect of precession) and discrepancies would be also largest.
Taking the first 100 stars in one of these books, and restricting the logs, to three figures, and comparing the results with those obtained previously, I find differences in Declination corrections as follows : Error. Number Error. Number of cases. Of cases.
0-05 i +0-01 5 0-04 6 + 0-0...2 9 0-03 u 4-0-03 6 0-02 ii +0-04 3 o-oi 32 +0-05 i o-oo 15 Total .... 100 The small systematic error previously mentioned is conspicuous in this example.
Many of the star-corrections about this period have values near 20", and the errors are thus grouped about a mean somewhere near o"oi. Also it will be noticed that about half the errors (viz. , 52 out of 100) are less than o"-O2. It would perhaps be fairer to count not those which differ from zero by less than o"-O2 numerically, but those which differ from the mean value o"-oi by less than this amount : i.
What to read after Tables for Facilitating the Computation of Star Constants?
You can find similar books in the "Read Also" column, or choose other free books by Edward James Stone to read onlineMoreLess
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