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Local Seeing Measurement for Increasing Astrophysical Observatory Quality Images Using an Autonomous Wireless Sensor

Raúl Parada1, Sergio Rueda-Teruel2, Carlos Monzo1

  • 1Faculty of Computer Science, Multimedia and Telecommunications, Universitat Oberta de Catalunya (UOC), Rambla del Poblenou 156, 08018 Barcelona, Spain.

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|July 10, 2020
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Summary

We developed an autonomous wireless sensor network (WSN) for real-time local seeing measurement in astrophysical observatories (AOs). This system uses temperature sensors to monitor distortions, improving image quality and offering a cost-effective solution.

Keywords:
Zigbeeastrophysical observatoryimage qualitylocal seeingthermistorwireless sensor networks

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Area of Science:

  • Astronomy and Astrophysics
  • Observational Astronomy
  • Instrumentation

Background:

  • Astrophysical observatories (AOs) capture celestial images, but atmospheric seeing distorts data quality.
  • Local seeing, influenced by temperature variations, significantly impacts image fidelity.
  • Existing seeing measurement solutions are often costly and complex.

Purpose of the Study:

  • To develop an autonomous wireless sensor network (WSN) for real-time local seeing measurement.
  • To provide a cost-effective and less complex alternative to current methods.
  • To assess the feasibility of using temperature data for preliminary dome local seeing calculations.

Main Methods:

  • Designed and implemented an autonomous WSN using temperature sensors.
  • Utilized Zigbee for reliable data communication within the network.
  • Deployed and tested the WSN in a real astrophysical observatory infrastructure.
  • Collected continuous temperature data over an extended period.

Main Results:

  • Successfully constructed a long-operating, autonomous WSN system.
  • Demonstrated real-time local seeing measurement capabilities.
  • Acquired temperature data suitable for preliminary dome local seeing analysis.
  • Achieved reasonable results in the initial dome local seeing calculations.

Conclusions:

  • The developed WSN offers an effective and economical solution for real-time local seeing monitoring in AOs.
  • Temperature variations are a key factor in local seeing, measurable by the WSN.
  • This system provides a foundation for advanced image quality control in astronomical observations.