'Ionization fraction' diaporamas de présentation

ISM Lecture 10

ISM Lecture 10. The Three-Phase Interstellar Medium. 10.1 Why necessary?. Two-phase model (see Sect. 8.3) FGH model: Heating by cosmic rays => p.e. effect UV from stars: G ( T ) Cooling by [C II] fine-structure emission: L ( T )

622 views • 42 slides

RECHARGING PROCESSES OF ACTIVE IONS AND RADIATION DEFECTS

457 views • 33 slides

COS-Halos Galaxy Halo with H 2

COS-Halos Galaxy Halo with H 2. Ethan Kruse. Harvard College STScI Summer Program. COS-Halos Program. Use background quasars ( z <1) to probe halos of galaxies at a range of impact parameters (10-150 kpc )

279 views • 20 slides

Cosmic Ray & Star Formation

Marco Fatuzzo,Fred C. Adams, and Fulvio Melia 2006. Cosmic Ray & Star Formation. 1. CR enhancement in SNR/MC environments. 2.How CR from SNR/MC influence ionization rate. 3.How CR influence star formation. Introduction. Previous works:

280 views • 17 slides

The Evolution of the Large-scale ISM: Bubbles and Non-Equilibrium Ionization

The Evolution of the Large-scale ISM: Bubbles and Non-Equilibrium Ionization. M. de Avillez, D. Breitschwerdt Reporter: Sun Wei Nov 11, 2010. Introduction: CIE vs. NEI. CIE: frequent assumption good approximation in hot environments violating detailed balance

196 views • 13 slides