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Create time-sliced spectra for GRB 121217A

To build time-sliced spectra you must supply time ranges and names by which those spectra will be known (note, any whitespace will be replaced with '_', non alpha-numeric characters will be removed). Alternatively, you can upload a file containing a list of region names and times.

Enter time slices

You may define up to 4 slices at a time using this form.

We recommend that, when selecting time intervals covered by only one mode, that mode is selected in the drop-down box. In rare cases, selecting "both" where there are no valid data in one mode can cause the spectrum build to fail.











Times can either be seconds since T0 (see the light curve below), Swift MET, or ObsIDs. The latter should be preceeded by the word "OBS" The format is "start-stop", e.g. 150-3000 or OBS 00311607000-00311607001. You can give multiple intervals per spectrum, separated by commas, e.g. "100-350,2000-2233".

Upload a file

A file conforming to this standard can be uploaded here.






Light curve

Here is the light curve, for reference.

Light curve of GRB 121217A

And the hardness ratio

Hardness ratio of GRB 121217A