Creation of the X-ray sky maps and their application for a search of the dark matter decay line

1Yakubovskyi, DA, 1Savchenko, DO, 2Busko, TO
1Bogolyubov Institute for Theoretical Physics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
2Taras Shevchenko Kyiv National University, Kyiv, Ukraine
Kosm. nauka tehnol. 2015, 21 ;(5):90–93
Publication Language: Ukrainian

We describe a creation of the sky maps in 2—5 and 5—10 keV range using public database of observations of X-ray cosmic observatory XMM-Newton. Considering as an example a search of the dark matter decay line we show how the obtained sky maps can be used for actual astronomical tasks.

Keywords: dark matter decay line., sky map, X-ray astronomy

1. Boyarsky A., Ruchayskiy O., Iakubovskyi D., Franse J. Unidentified line in X-ray spectra of the Andromeda galaxy and Perseus galaxy cluster. Phys.Rev.Lett. 113, 251301 (2014).

2. Iakubovskyi D. Constraining properties of dark matter particles using astrophysical data. Casimir PhD Ser. 183 p. (Delft-Leiden, 2013).

3. Jansen F., Lumb D., Altieri B., et al. XMM-Newton observatory. I.The spacecraft and operations. Astron.and Astrophys. 365, L1 —L6 (2001).

4. Kuntz K.D., Snowden S.L. The EPIC-MOS particle-induced background spectra. Astron.and Astrophys. 478, 575 —596 (2008).

5. Savchenko D.O., Iakubovskyi D.A. Creation of 2 —5 keV and 5 —10 keV sky maps using XMM-Newton data. Adv.Astron.and Space Phys. 4, 51 —53 (2014).

6. Strüder L., Briel U., Dennerl K., et al. The European Photon Imaging Camera on XMM-Newton: The pn-CCD camera. Astron.and Astrophys. 365, L18 —L26 (2001).

7. Turner M.J.L., Abbey A., Arnaud M., et al. The European Photon Imaging Camera on XMM-Newton: The MOS cameras. Astron.and Astrophys. 365, L27 —L35 (2001).