'Bulge wind' diaporamas de présentation

What do we know about the HISM?

610 views • 47 slides

Stellar Feedback and Evolution of Milky Way-like Galaxies

448 views • 32 slides

Stellar Feedback and Galaxy Evolution

Stellar Feedback and Galaxy Evolution. Q. Daniel Wang University of Massachusetts. IRAC 8 micro K-band ACIS diffuse 0.5-2 keV. Galaxy formation and evolution context. Toft et al. (2002); Muller & Bullock (2004). The missing baryon problem.

573 views • 25 slides

Summary: Galactic hot ISM

Summary: Galactic hot ISM. No significant X-ray absorption beyond the LMC (~< 10 19 cm -2 , assuming the solar abundance) A thick Galactic disk with a scale height 1-2 kpc, ~ the values of OVI absorbers and free electrons O abundance ~ solar or higher

349 views • 25 slides

Hot Gas and Outflows of Nearby Normal Galaxies

Hot Gas and Outflows of Nearby Normal Galaxies. Q. Daniel Wang (UMass). Most of present galaxies are not nuclear starbursters Phenomena that would be otherwise overwhelmed Disk/halo interaction Bulge wind driven by Type Ia SNe Accretion from the IGM

353 views • 23 slides