'Oiii 5007' diaporamas de présentation

Abundance determinations in photoionized nebulae

Abundance determinations in photoionized nebulae. Grazyna Stasinska. Observatoire de Meudon Mexico october 2006. Why care ?. 1- abundances in HII regions probe the present-day abundances in galaxies

811 views • 58 slides

Jet-Gas Interactions in Seyfert Galaxies

Jet-Gas Interactions in Seyfert Galaxies. Mark Whittle (Virginia) David Rosario (Virginia) John Silverman (Virginia) Charlie Nelson (Drake) Andrew Wilson (Maryland). Outline. Brief review of : AGN & Jets & Emission lines Reasons to study jet-gas interactions (JGI)

660 views • 56 slides

What can emission lines tell us? lecture 3 Gra?yna Stasi?ska

What can emission lines tell us? lecture 3 Gra?yna Stasi?ska. photoionization modelling. available photoionization codes why do a model ? how to prodeed ? some examples abundance derivation by model fitting a combined stellar and nebular study

384 views • 27 slides

Stellar Population Synthesis Including Planetary Nebulae

406 views • 27 slides

Understanding Metallicity at High Redshift Universe

Understanding Metallicity at High Redshift Universe. KenTaro Motohara ( IoA , Univsersity of Tokyo). Gas Phase Metallicity. Gas Phase Metallicity (Oxygen Abundance) is crucial to understand galaxy formation/evolution, as it traces the previous star formation history.

387 views • 26 slides

Understanding Metallicity at High Redshift Universe

Understanding Metallicity at High Redshift Universe. KenTaro Motohara ( IoA , Univsersity of Tokyo). Gas Phase Metallicity. Gas Phase Metallicity (Oxygen Abundance) is crucial to understand galaxy formation/evolution, as it traces the previous star formation history.

360 views • 26 slides

Spectral Range and Resolution

236 views • 12 slides