Ground-Based Astrometry 2010-2020

Abstract

We discuss the opportunities for astronomical discovery via ground-based astrometry carried out in the United States during the 2010-2020 decade. We describe imminent scientific breakthroughs that can be achieved at both classic astrometric scales -- narrow angle astrometry done by individual groups and large Alpha * Omega astrometry carried out by consortia. The two most compelling questions to be addressed are (1) What is the composition of the stellar and substellar population near the Sun? and (2) What are the shape, size, and mass of the Milky Way? We provide a short list of five recommendations that we believe will allow us to take best advantage of the intellectual and financial investments made for what some have called "The Decade of Astrometry." The most important recommendation is to provide the educational foundation required so that a new generation of astrometrists can make best use of the rich datasets that will arrive in the coming decade.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2010
Accession Number
ADA524845

Entities

People

  • David G. Monet
  • Mark J. Reid
  • Norbert Zacharias
  • Paul D. Shankland
  • Todd J. Henry
  • William Van Altena

Organizations

  • United States Naval Observatory Flagstaff Station

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Artificial Satellites
  • Astronomy
  • Catalogs
  • Data Processing
  • Detectors
  • Ground Based
  • Jet Propulsion
  • Measurement
  • Observatories
  • Radio Interferometers
  • Space Based
  • Space Sciences
  • Stellar Evolution
  • Students
  • Three Dimensional
  • United States

Fields of Study

  • Physics

Readers

  • Astronomy and Astrophysics.
  • Astronomy/Astrophysics
  • Systems Analysis and Design