Emission Lines from Superwinds of Super Star Clusters

Talk presented at American Astronomical Society (AAS) Winter 237st Virtual Meeting, USA, January 2021

Transcript

1. Ashkbiz Danehkar Department of Astronomy, University of Michigan danehkar@umich.edu In Collaborations with: Sally Oey, and Will Gray 237th AAS Meeting, Virtually Anywhere, January 12th, 2021 Emission Lines from Superwinds of Super Star Clusters
2. 2 Superwinds and Super Bubbles Schematic View of Superwind and Super Bubble (Romero+ 2018, Strickland+ 2003)
3. 3 Catastrophic Cooling of Superwind NGC 2366 Green Pea analog! [O II], [O III] and Continuum (Oey+ 2017) Mrk 71 Oey + 2017
4. 4 Superwind Theory  Adiabatic Solution – Chevalier & Clegg 1985 – Without Radiative Cooling  Radiative Solution – Silich et al. 2004 – With Radiative Cooling Silich + 2004
5. 5 Superwind Theory  Superbubble Theory – Castor+ 1975 – Weaver+ 1977 Weaver+ 1977 Weaver+ 1977
6. 6 Hydrodynamic Simulation of Superwinds Radiative Cooling Silich + 2004 Silich + 2004
7. 7 Hydrodynamic Simulation of Superwinds MAIHEM: modified version of FLASH: Gray+2015, 2016, 2017 Gray, Oey, Silich + 2019
8. 8 Hydrodynamic Simulation of Superwinds MAIHEM Simulations in FLASH Temperature Density Danehkar, Oey, Gray, 2021
9. 9 Hydrodynamic Simulation of Superwinds Radiative Cooling  adiabatic (AC), adiabatic with bubble (AB),  catastrophic cooling (CC), catastrophic cooling the bubble (CB) Temperature discrepancy factor (fT = Trad / Tadi) Danehkar, Oey, Gray, 2021
10. 10 Diagnostic Diagrams Emission Lines of Superwinds Danehkar, Oey, Gray, 2021 Gray, Oey, Silich + 2019
11. 11 Diagnostic Diagrams Danehkar, Oey, Gray, 2021 Optical Emission Lines (radiation-bounded)
12. 12 Diagnostic Diagrams Danehkar, Oey, Gray, 2021 UV Emission Lines (radiation-bounded)
13. 13 Diagnostic Diagrams Danehkar, Oey, Gray, 2021 UV Emission Lines (partially density-bounded)
14. 14 Diagnostic Diagrams Danehkar, Oey, Gray, 2021 UV Emission Lines (radiation-bounded)
15. 15 Diagnostic Diagrams Danehkar, Oey, Gray, 2021 UV Emission Lines (partially density-bounded)
16. 16 Summary  Superwinds Theory  Without Radiative Cooling (Chevalier & Clegg 85)  With Radiative Cooling (Silich + 2004)  Superwind Suppression – Catastrophic Cooling (Gray, Oey, Silich, 2019) – Parametric Investigation (Danehkar, Oey, Gray, 2021)  Emission-line Predictions (Danehkar, Oey, Gray, 2021) – Emission flux calculated for adiabatic and cooling solutions – BPT & UV Diagnostic Diagrams
17. 17 Thank you for your attention