Expected progress and break-throughs in ground-based extragalactic astronomy Ralf Bender ESO Council FORS Deep Field. Achievements and Challenges 2003: Cosmological framework in which galaxies evolve is now sufficiently well determined.
ground-based extragalactic astronomy
FORS Deep Field
synergies with space observatories
redshifts and classifications for tens of millions of galaxies.
The evolution of type-dependent galaxy luminosity functions
can be derived, cosmic variance can be analyzed, and
targets for follow-up (e.g. spectroscopy) with large ground-
based telescopes and satellites can be selected.
gravitational shear effect.
Variable objects (AGN, SNIa) can be searched efficiently.
content and star formation activity of galaxies can be
measured to highest z allowing to follow the mass
assembly and morphology evolution over time.
and star-forming galaxies up to high redshift.
(most of these fields up to now served by HST)
determined more accurately. General relativistic effects
can be measured (precession of pericenter of stellar orbits)
the central engines of Active Galactic Nuclei (the dust tori
are expected to have a crucial influence on the nature of
thousands of molecular lines to characterize dust and
gas in the universe (wavelength and spatial resolution
complementary to Herschel).
assembly of galaxies and dust-enshrouded violent star
formation processes that may have produced a large fraction
of all stars in the universe, especially those in spheroids.
galaxy fragments before they have largely turned into stars.
the Sunyaev-Zeldovich ( Planck) effect to high redshift, ...
as the local universe today (e.g. SDSS at z~3 is possible).
detailed analysis of chemical enrichment history.
(complementary to ALMA in wavelength and to
JWST in resolution and light collecting power)
nature of dark energy.
today (stellar populations, assembly history)
SB ~ (1+z)-4 , i.e.
the central surface
brightness of the
Galaxy’s disk at
z ~ 3 is about
i.e., JWST can do
it, but a satellite
like PRIME or WISE
is more efficient.