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To find and download HEASARC data in the cloud, you can use astroquery.heasarc or download our new tool, hark.

The HEASARC and NuSTAR teams are greatly saddened by the sudden passing of Katja Pottschmidt. Most recently Katja was the lead scientist for the NuSTAR Guest Observer Facility (GOF), a role she had supported for many years. During her science career she worked on many other high energy astrophysics missions and played an integral role in advancing our knowledge of the universe. She was a wonderful colleague and friend and will be keenly missed by all who knew her.

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kdblur: convolve with the laor model shape

A convolution model to smooth a spectrum by relativistic effects from an accretion disk around a rotating black hole. Uses Ari Laor's calculation including GR effects (Laor 1991). Modified from laor model by Andy Fabian and Roderick Johnstone.

Note that due to the energy binning the convolution process can produce spurious structures around sharp features in the spectrum being convolved. We strongly recommend testing for this by using the energies command to change the binning.

par1 Index: power law dependence of emissivity (scales as $R^{-par1}$)
par2 inner radius (units of $GM/c^2$)
par3 outer radius (units of $GM/c^2$)
par4 inclination (degrees)