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PREFACE
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THE VLA DEVELOPMENT PLAN
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THE VLA DEVELOPMENT PLAN
Contents
PREFACE
List of Participants
Science Working Groups
OVERVIEW
INTRODUCTION
TECHNICAL OVERVIEW
Antenna and Receiver Improvements
Improved Low Noise Receivers
New Observing Bands at the Cassegrain Focus
New Prime Focus Systems
Sensitivity Goals
A New LO/IF Transmission System
A New Correlator
Improved Surface-Brightness Sensitivity
High Angular Resolution-The A+ Configuration
Other Capabilities
NEW SCIENCE WITH THE ENHANCED VLA
Imaging-Spectroscopy of Solar Radio Bursts
Bistatic Radar Observations of Planets and Minor Bodies
High-resolution Imaging of Thermal Emission
Imaging Proto-planetary Disks
Transient Phenomena
Galactic H I Survey
Extragalactic H I Surveys
Clusters of Galaxies
Objects at High Redshift
IMPACT ON SCIENCE WITH THE VLBA
SUMMATION
THE SOLAR SYSTEM
SOLAR PHYSICS
The Active Sun
Solar Flares
Radio Bursts
Large-scale Transient Phenomena
Active Regions
The Quiet Sun
Chromospheric Structure
Prominences and Filaments
Coronal Holes
THE INTERPLANETARY MEDIUM
PLANETARY SCIENCE
Bistatic Planetary Radar
The Giant Planets
The Terrestrial Planets
Mercury
Mars
MINOR BODIES
Asteroids
The Galilean Satellites and Titan
Comets
TECHNICAL REQUIREMENTS
THE MILKY WAY GALAXY
INTRODUCTION
STAR FORMATION
Gravitational Infall
Proto-stellar Disks
Proto-planetary disks
MASSIVE STAR FORMING REGIONS
PMS AND MS STARS
ACTIVE STARS
STELLAR ASTROMETRY
IMAGING THERMAL EMISSION
CIRCUMSTELLAR MASERS
RADIO RECOMBINATION LINES
MOLECULAR LINES
X-RAY TRANSIENTS
SUPERNOVA REMNANTS
Spectral Imaging
Integrated Spectrum Studies
PULSARS
LARGE-SCALE STRUCTURE
The Galactic Center
The Galactic Magnetic Field
Galactic Nonthermal Continuum Emission
Galactic H I
EXTRAGALACTIC RESEARCH AND COSMOLOGY
INTRODUCTION
NEARBY GALAXIES
Supernovae
Monitoring: early radio light curves
Monitoring: broader frequency coverage
Monitoring: fainter sources
SNe searches: going off the deep end
Supernova Remnants
H II Regions
Extended Emission: Spectral Imaging
Polarization
Polarization of SNR/SNe
Radio halos
Galaxy disks
Imaging Starburst Galaxies
Instrumental Requirements
SPECTROSCOPY OF NORMAL GALAXIES
Neutral Hydrogen in Individual Galaxies
Neutral Hydrogen Surveys
An all-sky H I survey in 0
0.1
The structure of a cluster of galaxies, combined with a pencil beam survey
The evolution of gas content at 0.2
0.8
Instrumental Requirements for Neutral Hydrogen Surveys
Comparison with existing and planned instruments
Radio Recombination Lines from Extragalactic Sources
OH Masers in Nearby Galaxies: the Birth of O and B Stars
Water MegaMasers: Nuclear Dynamics in Nearby Galaxies
Molecules in Nearby Galaxies
ACTIVE GALACTIC NUCLEI
The State of Radio-galaxy Physics
Jets
Low power sources: jet deceleration?
High power sources: high-velocity ``spines''?
Particle acceleration
Stability and confinement
Hot Spots
Lobes of Radio-loud AGNs
Black Hole ``Beacons'' in Nearby Galactic Nuclei?
Instrumental Requirements for AGN Continuum Studies
Absorption against AGNs
CLUSTER ENVIRONMENTS
Cluster Radio Halos
Faraday Rotation
The Sunyaev-Zeldovich Effect
Radio Galaxies in Clusters
Gravitational Lensing
OBJECTS AT HIGH REDSHIFT
Source Populations
Molecules, Dust and Free-Free Emission
Starbursts at High Redshifts
Faraday Rotation
TECHNICAL ISSUES AND BUDGET
INTRODUCTION
ANTENNAS AND RECEIVERS - TRADEOFFS
Polarization vs. Wide Bandwidths
Spillover
Prime Focus Systems vs. Cassegrain Performance
Antenna Modifications
A Robust Total-Power System
Multi-band Performance
IF TRANSMISSION SYSTEM
CORRELATOR DESIGN
Ultra-wide Bandwidth Performance
THE E CONFIGURATION
RADIO FREQUENCY INTERFERENCE
SOFTWARE AND COMPUTING NEEDS
COST AND SCHEDULE
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