Positive or Negative? The Impact of X-ray Feedback on the Formation of Direct Collapse Black Hole Seeds

Understand

A nearby source of Lyman-Werner (LW) photons is thought to be a central component in dissociating H$_2$ and allowing for the formation of a direct collapse black hole seed.

• Nearby sources are also expected to produce copious amounts of hydrogen ionising photons and X-ray photons.
• We study here the feedback effects of the X-ray photons by including a spectrum due to high-mass X-ray binaries on top of a galaxy with a stellar spectrum.
• We explicitly trace photon packages emerging from the nearby source and track the radiative and chemical effects of the multi-frequency source $(E_{\rm photon} = \rm{0.76\ eV \rightarrow 7500\ eV}$).