# Acknowledgements

`Xstack` is developed by:

- Shi-Jiang Chen (USTC, MPE)
- Johannes Buchner (MPE)
- Teng Liu (USTC)

We also thank people who provide helpful comments/advice, which significantly improve the code:

- Xiaoyuan Zhang (MPE)
- Lin He (NJU)
- Yi Zhang (MPE)
- Jialai Kang (USTC)
- Samaresh Mondal (UIUC)
- Jeremy Sanders (MPE)
- Francesco Coti Zelati (CSIC)
- Carolina Andonie (MPE)
- ...

If Xstack contributes to your research, please cite:

```latex
@ARTICLE{2025A&A...701A.144C,
       author = {{Chen}, Shi-Jiang and {Buchner}, Johannes and {Liu}, Teng and {Hagen}, Scott and {Waddell}, Sophia G.~H. and {Nandra}, Kirpal and {Salvato}, Mara and {Igo}, Zsofi and {Aydar}, Catarina and {Merloni}, Andrea and {Ni}, Qingling and {Kang}, Jia-Lai and {Cai}, Zhen-Yi and {Wang}, Jun-Xian and {Li}, Ruancun and {Ramos-Ceja}, Miriam E. and {Sanders}, Jeremy and {Georgakakis}, Antonis and {Zhang}, Yi},
        title = {The average soft X-ray spectra of eROSITA active galactic nuclei},
      journal = {\aap},
     keywords = {galaxies: active, X-rays: galaxies, High Energy Astrophysical Phenomena},
         year = 2025,
        month = sep,
       volume = {701},
          eid = {A144},
        pages = {A144},
          doi = {10.1051/0004-6361/202554737},
archivePrefix = {arXiv},
       eprint = {2506.17150},
 primaryClass = {astro-ph.HE},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2025A&A...701A.144C},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
```

Project repository:

- <https://github.com/AstroChensj/Xstack>