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A Cubesat Payload for Exoplanet Detection.

Marcella Iuzzolino1, Domenico Accardo2, Giancarlo Rufino3

  • 1Department of Industrial Engineering-Aerospace Division, University of Naples Federico II, 80125 Naples, Italy. marcellaiuzzolino@gmail.com.

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Summary

This study presents an innovative payload on a 3U CubeSat for detecting exoplanets using photometric transit. The mission targets bright stars, offering new insights into exoplanet detection from small space platforms.

Keywords:
cubesatexoplanetsfalse positivephotometric transitphotometrypyramid

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Area of Science:

  • Astronomy and Astrophysics
  • Space Engineering

Background:

  • The search for exoplanets is expanding into astrophysical and engineering fields.
  • Current missions have limitations in surveying exoplanets around very bright stars due to detector saturation.

Purpose of the Study:

  • To design an innovative payload for exoplanet detection from a 3U CubeSat.
  • To verify the feasibility of using a small, cost-effective platform for astronomical missions.

Main Methods:

  • Utilizing the photometric transit method for exoplanet detection.
  • Employing a four-faceted pyramid for measurement redundancy and spectral dispersion.
  • Aiming for a flux decrement detection of ~0.01% with 12 ppm precision.

Main Results:

  • The payload is designed to detect exoplanet transits around bright stars (V-magnitude 3.38).
  • The design incorporates features for false positive recognition.
  • The concept enables observations that saturate detectors on larger telescopes.

Conclusions:

  • A CubeSat mission with a novel payload can provide crucial exoplanet transit data for bright stars.
  • This demonstrative project validates the feasibility of small satellite platforms for significant astronomical research.