'Si ii' presentation slideshows

Abundance analysis of sharp-lined B-type stars in three young clusters.

553 views • 55 slides

The Role of High-Velocity Clouds in Galactic and Local Group Evolution

The Role of High-Velocity Clouds in Galactic and Local Group Evolution. Joe Collins (University of Colorado) with: Mike Shull (University of Colorado) Mark Giroux (East Tennessee State University). Outline. I. Introduction to HVCs Complex C II. Highly Ionized HVCs. What are HVCs?.

640 views • 49 slides

The B Stars Trilogy

The B Stars Trilogy. Zach Hartman. Outline. What are they good for? How do we classify them? Optical Ultraviolet How weird can they get?. DSS/NASA. A Fistful of B Stars. Why do we care about B stars?. H II Regions More common than O stars

493 views • 49 slides

Studying GRB Environments and Progenitors with Absorption Spectroscopy

Studying GRB Environments and Progenitors with Absorption Spectroscopy. Derek B. Fox Astronomy & Astrophysics Penn State University. Image: Aurore Simonnet, Sonoma State. Group Papers.

473 views • 39 slides

Supernovae

433 views • 26 slides

V. Lebouteiller, D. Kunth

Metal abundances in star-forming regions The puzzle. V. Lebouteiller, D. Kunth. Mixing in the ISM. Fate of the metals produced in stars ? Dispersion + mixing timescales Starburst regions context. The Blue Compact Dwarf Galaxy IZw 18. 1/18. From the IR. Optical, IR :

303 views • 20 slides

CROSSING THE SHOCK: illuminating the ejecta of Cas A L. Rudnick, Univ. of Minnesota

283 views • 20 slides

??? Si ????

??? Si ????. ??? ?????????? 2011.11.27. ? ?. ?? Si ? NLTE ????? Si ???? Si ? NLTE ???? ?????? ??. ?? Si ? NLTE ????. ?????? Si ????????? ?????? Si ??????????????????? Si I ? Si II ?????????? ????????????????????. ?? Si ? NLTE ????. ???????? Si ????? Si I ????????????????????????

442 views • 19 slides

Surveying the Highly Ionized HVCs with FUSE and HST

Surveying the Highly Ionized HVCs with FUSE and HST. Sembach et al. (2003). Joe Collins (University of Colorado) Mike Shull (University of Colorado) Mark Giroux (East Tennessee State University). The Highly Ionized HVCs. M.W. motion. L.G.B.

268 views • 16 slides