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Swift-XRT light curves of EP250421a - source 1

Last updated at 2025-04-22 at 04:32:30 UTC

The source position (in the XRT co-ordinate frame) used for these products was: RA (J2000.0) = 172.4203 degrees, Dec (J2000.0) =-24.6753 degrees.

Rebin this light curve

Binned to constant counts/bin

Jump to: Energy light curves | Count-rate light curves.

From 2016 March, the light curve plots support interactive zooming and exploring. See the jsPlot documentation for details.

Energy light curves

Flux Light Curve

For this burst, 1 count = 3.8505714366178 x 10^-11 erg cm^-2 (observed flux) (, from the automatic spectral fit).

Note that this is an time-averaged conversion factor: the true value may evolve with time.

Show plot axis controls.

Generate postscript plot | Data file.

Count-rate light curves

Basic Light Curve

Show plot axis controls.

Generate postscript plot | Data file.

Detailed Light Curve

Show plot axis controls.

Generate postscript plot | Data file.

Hardness Ratio

Show plot axis controls.

Generate postscript plot | Data file.

Data products

Download all light curve files for this burst: [tar file][gzipped tar file][zip file].

Or download individual files: (Includes systematic error. Includes data with no WT centroid.)