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- Newsgroups: sci.astro
- Path: sparky!uunet!psinntp!dg-rtp!wingnut!wing
- From: wing@canada.ceo.dg.com (Brian Wing)
- Subject: Re: Typo in Meeus' "Astronomical Algorithms"
- Message-ID: <1992Aug13.173949.25109@canada.ceo.dg.com>
- Date: Thu, 13 Aug 92 17:39:49 GMT
- References: <1992Aug10.182811.1238@ryn.mro4.dec.com>
- Organization: Data General (Canada) Inc.
- Lines: 30
-
- randolph@est.enet.dec.com (Tom Randolph) writes:
- :
- : Jean Meeus' new book, "Astronomical Algorithms", has a typo. The error is on
- : page 139, in the equation for pi, the longitude of Earth's perihelion. The
- : second term, 0.71953T should be 1.71953T. Compare the numbers to those in
- : Chap. 30, page 200. They should match exactly. Page 200 has the correct
- : numbers.
- :
- : Unfortunately, this error is in the C software that you can buy with the
- : book. I don't know about the other language versions. It shouldn't make any
- : huge difference in results, in fact it might not even be noticable except
- : maybe over thousands of years.
- :
- : -Tom R. est.enet.dec.com!randolph
-
- I noticed another tiny typo in the C software.
- In MOONPOS.C, in the array MoonTermB, the second to last line reads:
- {4,-1, 0, 1, 115}
- when it should be:
- {4,-1, 0,-1, 115}
- ^ note the missing minus sign.
- In the book, it's OK.
-
- I already EMailed this nit to Jeffrey Sax.
-
- --
- Brian Wing Software Support Critter
- Data General (Canada) Inc.
- 130-13151 Vanier Pl., Richmond dotdot: brian_wing@canada.ceo.dg.com
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