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Charged-coupled detector sky surveys.

D P Schneider1

  • 1Institute for Advanced Study, Princeton, NJ 08540, USA.

Proceedings of the National Academy of Sciences of the United States of America
|November 1, 1993
PubMed
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Large-scale sky surveys using charged-coupled detectors are revolutionizing astronomy. This study details the first such survey, highlighting its capabilities and challenges in detecting distant quasars.

Area of Science:

  • Astronomy and Astrophysics
  • Observational Cosmology

Background:

  • Historical sky surveys have been crucial for understanding stellar evolution and galactic structure.
  • Multi-wavelength surveys (radio, infrared, X-ray) have unveiled new cosmic phenomena like quasars and pulsars.
  • Advancements in solid-state detectors, particularly charged-coupled devices (CCDs), have transformed optical astronomy.

Purpose of the Study:

  • To review the first large-scale survey utilizing charged-coupled detectors.
  • To assess the capabilities and limitations of CCD-based sky surveys.
  • To demonstrate the application of CCD technology in detecting very distant quasars.

Main Methods:

  • Implementation of large-format charged-coupled detectors for sky observation.
  • Development of advanced data acquisition and processing systems.

Related Experiment Videos

  • Execution of a large-scale survey program targeting distant quasars.

    • Main Results:

    • Demonstration of the feasibility of electronic detectors for covering significant portions of the sky.
    • Successful detection of very distant quasars through the survey.
    • Identification of the strengths and weaknesses inherent in CCD survey methodologies.

    Conclusions:

    • Charged-coupled detector surveys represent a significant advancement in astronomical observation.
    • These surveys provide powerful tools for exploring the distant universe and discovering faint objects.
    • Further development is needed to overcome the limitations encountered in large-scale CCD surveys.