Astro2010 Science in the Galactic Neighborhood (Redshift z < 0.1)

Details Astro2010 Science in the Galactic Neighborhood (Redshift z < 0.1) Astro2010 Science in the Galactic Neighborhood (Redshift z < 0.1)

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21810403s&link_type=abstract

American Astronomical Society, AAS Meeting #218, #104.03; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

The GAN (Galactic Neighborhood) Science Frontier Panel of the Astro2010 decadal study provided 4 science questions and 2 discovery areas ripe for investment. Defining our "neighborhood" out to redshift z = 0.1 (420 Mpc), we focused on:
(1) Flows of matter and energy in and out of galaxies
(2) Cycles of mass, energy, and chemistry within galaxies and their ISM
(3) Fossil record of galaxy assembly, from the first stars to the present
(4) Connections between dark and luminous matter in galaxies and black holes.
Our panel was excited about the promise of two Discovery Areas:
(A) Time-Domain Astronomy, to explore the transient sky and stellar populations, including spectroscopic follow-up; and
(B) Astrometry of objects ranging from extra-solar planets to halo stars, masers, globular clusters, galaxies, and quasars (maser disks, bound stars).

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