Research

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Research

Contents

Research areas currently active in CASS include theoretical astrophysics; observational astronomy in the optical, UV, infrared, x-ray, and radio regimes; experimental and theoretical space plasma physics; planetary magnetospheres; solar physics; astrometry; studies of comets, asteroids, and meteorites; the origin and evolution of plentary systems; and galaxy evolution.

Optical observational facilites available to CASS scientists include the Lick Observatory on Mount Hamilton, California; the Keck Telescopes on Mauna Kea, Hawaii; and other national and international facilities. CASS scientists may also use a number of specialized research facilities including the San Diego Supercomputer Center (SDSC).



Observational Cosmology

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Active Researchers: Alison Coil, David Tytler, and Kim Griest
Active Galactic Nuclei (AGNs)
Baryon number of universe
Baryon Acoustic Oscillations (BAO)
Changing fine structure constant
Mass assembly history and chemical evolution of galaxies
Damped Lyman alpha absorption systems
Origin of Black Holes
PRIMUS redshift survey

Gravitation Astrophysics

Active Researchers: Tom Murphy and Eric Michelsen
Lunar laser ranging: high precision measurements of earth-moon distance (to 1 mm !!)
Mass-energy of space-time curvature
Gravitomagnetism

CMB Polarization (POLARBEAR)

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Active Researchers: Brian Keating, Hans Paar, and Gabriel Rebeiz
Observational Cosmology Group
BICEP1
BICEP2
POLARBEAR Observatory
Cosmic Infrared Background Experiment
Probing absolute neutrino mass
Gravitational radiation from inflation
Simons Foundation

Origin of Structure

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Active Researchers: Michael Norman and Dusan Keres
San Diego Supercomputer Center
Computational AMR radiation hydro
Galaxy formation simulation
First stars

Dark Matter/Energy Theory

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Active Researchers: Kim Griest
Gravitational microlensing
Varying constants
Surveys

Neutrino/Nuclear Astrophysics

Active Researchers: George Fuller
Collective neutrino oscillations in supernovae neutrinos in
cosmology/early universe
Nucleosynthesis and nuclear/particle astro

Cosmic Rays, High Energy Astronomy

Active Researchers: Richard Lingenfelter, Richard Rothschild, James Matteson, and Alex Markowitz.
High Energy Instrument Development and Science
High Resolution Gamma-Ray Spectroscopy - HIREGS
Burst and Transient Source Experiment -BATSE
High Energy X-Ray Timing Experiment - HEXTE
X-ray Detector development
Gamma-ray astronomy
Historical perspective on High Energy Astronomy paper by Dr. Laurence Peterson

Brown Dwarfs and Planets

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Active Researchers: Adam Burgasser and David Harker
The Cool Star Lab
Spectral and temporal characterization of ultracool dwarf atmospheres
Cool star multiplicity and magnetic activity
Planet formation and circumstellar disks
Low-mass Galactic populations
Infrared characterization of cometary dust
Infrared Instrumentation (e.g., FIRE)

Plasma Astrophysics

Active Researchers: Pat Diamond, Alexei Kritsuk, and Mikhail Malkov
Gyrokinetic Particle Simulation of Turbulent Transport in Burning Plasmas (GPS-TTBP)
Plasma Theory Group

Solar and Heliospheric Physics

Active Researchers: Bernie Jackson and Andrew Buffington.
Space Weather Forecasting
SMEI