[fitsbits] Re: EXPOSURE or OBSTIME?

[Tom Kuiper]

Phil Hodge wrote:
> 
> EXPTIME is also used for exposure time.
> 

Can you tell me by what telescope(s) and point me at documentation?

Thanks

Tom

> In article <393912E5.9DF04772 at jpl.nasa.gov>, Tom Kuiper <kuiper at jpl.nasa.gov> writes:
> > I'm working on a radio spectral line data acquisition package and need to
> > decide
> > what keyword to use for integration time. An example FITS file that I have from
> > the SEST telescope at La Silla uses OBSTIME. The OGIP Spectral File Format
> > specifies EXPOSURE.  Are there any other keywords in use for this parameter?
> > Is there any hint of a convergence on a standard?
> >
> > Thanks
> >
> > Tom Kuiper
> > --
> > Internet:     kuiper at DSNra.JPL.NASA.gov (137.78.48.2)
> > SnailMail:    Jet Propulsion Lab 169-506, Pasadena, CA 91109
> > Phone/fax:    (818) 354-5623/8895
> > WWW:          http://DSNra.JPL.NASA.gov/~kuiper/