Next Semester: advanced cosmology
- ASTR 507: Physical Cosmology
ASTR 596PC (same course, old number) website from Spring 2010 - ASTR 596 and 496 RJF: Supernovae and Dark Energy
Galaxy Interactions: Scattering, Collisions, and Mergers
- Mergers
- Antennae galaxies: global view; Hubble optical zoom and detail; near-IR; X-ray
- NGC 6745
- Collisions in a Galaxy Cluster
- Stephan's quintet: optical, X-ray
- Ellipticals from Spirals?
NGC 7252: global structure with 21-cm, Hubble zoom
The Local Group
- Overview
- Milky Way satellites
- Magellanic clouds:
big picture,
large
and small
LMC: optical with labels, UV, IR; 30 Doradus star forming region, a.k.a. the tarantula nebula
Magellanic stream data, cartoon, simulation - dwarf spheroidals: Sagittarius
and its tidal stream
Sextans A, Leo I alone and with neighbor, Aquarius Dwarf - field of streams, with labels
- Magellanic clouds:
big picture,
large
and small
- The Great Galaxy in Andromeda: M31 optical, IR, UV, other wavelengths, zoom into the Andromeda deep field
- our future merge with M31:
simulation from fixed reference frame
Earthling's view of the resulting future sky
Galaxy Clusters
- Optical: Virgo (zoom to center),, Coma, Hydra A
- X-ray: Virgo, Coma, Abell 2029
- Diffuse light -- intracluster stars in Virgo; orphan globular clusters
- gas filaments in thePerseus custer
- distruped galaxy NGC 1427A falling through the Fornax cluster
- gravitational lensing: Abell 1689, Abell 2218, 0024+1654, gallery
- mass estimates and models: lens creator
