Re: [LEAPSECS] MJD and leap seconds

From: Peter Bunclark <psb_at_AST.CAM.AC.UK>
Date: Tue, 10 Jan 2006 16:17:18 +0000 (GMT)

On Tue, 10 Jan 2006, Poul-Henning Kamp wrote:

> In message <Pine.GSO.4.58.0601101151020.1614_at_cass18>, Peter Bunclark writes:
> >On Tue, 10 Jan 2006, Tom Van Baak wrote:
> >> have no leap seconds. Astronomers appear to avoid
> >> using MJD altogether.
> >
> >Good grief. MJD is used widely in astronomy, for example in variablility
> >studies where you want a real number to represent time rather than deal
> >with the complications of parsing a date. It tends to be written into the
> >FITS header of practically every data file observed.
>
> So how do you deal with fractional days in that format ?

with decimals.

Pete.
Received on Tue Jan 10 2006 - 08:17:56 PST

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