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The tar-ball contains HEG +/-1 data from two Chandra HETG observations of Mrk 421, downloaded from TGcat (http://tgcat.mit.edu/) Data reduction process described in Huenemoerder et al. (2011): http://adsabs.harvard.edu/abs/2011AJ....141..129H This data is used to test the pyXsis (Python X-ray Spectral Interpretation System) library at https://github.com/eblur/pyxsis
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 0 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
| views | 4 |

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