6.4 keV line from molecular clouds

Origin:

(a) Sunyaev et al. 1993, Koyama et al. 1996 – 2008:

Reflection of X-ray flux produced by past activities of a SN or Sgr A*?

(b)Yusef-Zadeh et al. 2007 – subrelativistic electrons?

(c)Dogiel et al. 2009 – subrelativistic protons?

6.4 keV line from molecular clouds

Origin:

(a) Sunyaev et al. 1993, Koyama et al. 1996 – 2008:

Reflection of X-ray flux produced by past activities of a SN or Sgr A*?

(b)Yusef-Zadeh et al. 2007 – subrelativistic electrons?

(c)Dogiel et al. 2009 – subrelativistic protons?

Time

Variable

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