Dr. Joao Da Silva Bento Profile

Dr. Joao Da Silva Bento

at Astrophysics Research Institute

SPIE Involvement:

Author

Area of Expertise:

Software Engineering , DevOps , Exoplanet Research , Robotic Telescopes , Kubernetes , Docker

Joao Bento is a Software and DevOps engineer for the New Robotic Telescope project, a 4m class fully automated optical telescope soon to be constructed in La Palma. This position is a natural combination of Joao's early background in astrophysics and his recent work in the software industry.

Joao obtained his PhD in Astrophysics from the University of Warwick, UK, specialising in Exoplanet detection and characterisation. This was followed by three postdoc positions in Australia. Work there included software development and characterisation of the RHEA spectrograph, working as the Australian HatSouth node manager and work on the GHOST spectrograph data reduction pipeline.

After this, Joao spent 4 years as a software and machine learning engineer working for Intelledox and later Smart Communications, world leaders in dynamic document generation, workflow automation and business process digitisation, before joining the New Robotic Telescope project.

Proceedings Article | 29 August 2022 Presentation + Paper

Experience of utilising CI/CD practices in the development of software for a modern astronomical observatory

Joao Bento, Doug M. Arnold, Robert J. Smith, Juan J. Fernández-Valdivia, Javier León Gil, Josué Barrera Martin, Miguel A. Torres Gill

Proceedings Volume 12189, 1218905 (2022) https://doi.org/10.1117/12.2629975

KEYWORDS: Telescopes, Software development, Robotics, Astronomy, Observatories, Astronomical telescopes

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Proceedings Article | 29 August 2022 Presentation + Paper

Software architecture and development plan for a 4m fully autonomous observatory (New Robotic Telescope)

Joao Bento, Robert J. Smith, Doug M. Arnold, J. J. Fernandez-Valdivia, Javier León Gil, Josué Barrera Martín, Miguel Torres

Proceedings Volume 12189, 121890C (2022) https://doi.org/10.1117/12.2629053

KEYWORDS: Telescopes, Control systems, Robotics, Software development, Observatories, Interfaces, Astronomical telescopes, Databases, Computer architecture

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Proceedings Article | 29 August 2022 Poster + Paper

The Gemini-South High-Resolution Optical Spectrograph (GHOST) data reduction system

Christian R. Hayes, Fletcher Waller, Michael Ireland, Jon Nielsen, Marc White, Joao Bento, Kim Venn, John Pazder, Alan McConnachie, Chris Simpson, Kathleen Labrie

Proceedings Volume 12184, 121846H (2022) https://doi.org/10.1117/12.2642905

KEYWORDS: Spectrographs, Gemini Observatory, Image processing, Calibration, Stars, Sun, Chemical elements, Instrument modeling

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Proceedings Article | 26 August 2022 Poster + Paper

Optimising rapid autonomous transient classifications with the New Robotic Telescope

Helen Jermak, David Law, Sebastian Buntin, Joao Bento, Carl Chalmers, Christopher Copperwheat, Iain Steele, Éamonn Harvey, Robert Smith, Pablo Rodríguez-Gil, Carlos Gutíerrez

Proceedings Volume 12182, 121824G (2022) https://doi.org/10.1117/12.2629854

KEYWORDS: Telescopes, Robotics, Observatories, Machine learning, Astronomy, Optical instrument design, Detection and tracking algorithms

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Proceedings Article | 6 July 2018 Paper

Data reduction software for the Gemini high resolution optical spectrograph

Michael Ireland, Marc White, Joao Bento, Tony Farrell, Kathleen Labrie, Lance Luvaul, Jon Nielsen, Chris Simpson

Proceedings Volume 10707, 1070735 (2018) https://doi.org/10.1117/12.2314418

KEYWORDS: Spectrographs, Gemini Observatory, Calibration, Image processing, Data modeling, Data processing, Stars, Optical fibers

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Proceedings Article | 6 July 2018 Paper

Development of the single-mode fiber integral field unit for the RHEA Spectrograph

Adam Rains, Michael Ireland, Nemanja Jovanovic, Joao Bento, Tobias Feger, Julien Lozi, Christian Schwab, David Coutts, Olivier Guyon, Alexander Arriola, Simon Gross, Jonathan Harris

Proceedings Volume 10702, 107025J (2018) https://doi.org/10.1117/12.2314336

KEYWORDS: Spectrographs, Single mode fibers, Optical alignment, Microlens array, Astronomy, Astronomical instrumentation

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Proceedings Article | 9 August 2016 Paper

Precision single mode fibre integral field spectroscopy with the RHEA spectrograph

Adam Rains, Michael Ireland, Nemanja Jovanovic, Tobias Feger, Joao Bento, Christian Schwab, David Coutts, Olivier Guyon, Alexander Arriola, Simon Gross

Proceedings Volume 9908, 990876 (2016) https://doi.org/10.1117/12.2233743

KEYWORDS: Spectrographs, Telescopes, Calibration, Adaptive optics, Spectrographs, Single mode fibers, Stars, Spectral resolution, Astronomy, Spatial resolution, Microlens array

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Proceedings Article | 9 August 2016 Paper

Performance and future developments of the RHEA single-mode spectrograph

Joao Bento, Tobias Feger, Michael Ireland, Adam Rains, Nemanja Jovanovic, David Coutts, Christian Schwab, Alexander Arriola , Simon Gross

Proceedings Volume 9908, 99086K (2016) https://doi.org/10.1117/12.2232371

KEYWORDS: Spectrographs, Telescopes, Robotics, Optical design, Prisms, Prototyping, Stars, Calibration, Observatories, Astronomy

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Proceedings Article | 26 July 2016 Paper

The SCExAO high contrast imager: transitioning from commissioning to science

N. Jovanovic, O. Guyon, J. Lozi, T. Currie, J. Hagelberg, B. Norris, G. Singh, P. Pathak, D. Doughty, S. Goebel, J. Males, J. Kuhn, E. Serabyn, P. Tuthill, G. Schworer, F. Martinache, T. Kudo, H. Kawahara, T. Kotani, M. Ireland, T. Feger, A. Rains, J. Bento, C. Schwab, D. Coutts, N. Cvetojevic, S. Gross, A. Arriola, T. Lagadec, J. Kasdin, T. Groff, B. Mazin, Y. Minowa, N. Takato, M. Tamura, H. Takami, M. Hayashi

Proceedings Volume 9909, 99090W (2016) https://doi.org/10.1117/12.2234294

KEYWORDS: Adaptive optics, Imaging systems, Stars, Telescopes, Calibration, Visible radiation, Spectrographs, Speckle, Cameras, Prisms

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Proceedings Article | 5 August 2014 Paper

A stable and inexpensive wavelength reference for precise wavelength calibration of radial velocity spectrographs

Tobias Feger, Michael Ireland, Joao Bento, Carlos Bacigalupo

Proceedings Volume 9147, 914780 (2014) https://doi.org/10.1117/12.2055674

KEYWORDS: Spectrographs, Interferometers, Single mode fibers, Calibration, Lamps, Mach-Zehnder interferometers, Visibility, Thermal optics, Modulators, Refractive index

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Proceedings Article | 28 July 2014 Paper

RHEA: the ultra-compact replicable high-resolution exoplanet and Asteroseismology spectrograph

Tobias Feger, Carlos Bacigalupo, Timothy Bedding, Joao Bento, David Coutts, Michael Ireland, Quentin Parker, Aaron Rizzuto, Izabela Spaleniak

Proceedings Volume 9147, 91477I (2014) https://doi.org/10.1117/12.2055600

KEYWORDS: Spectrographs, Sensors, Single mode fibers, Telescopes, Point spread functions, Calibration, Charge-coupled devices, Prisms, Exoplanets, Observatories

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Proceedings Article | 17 September 2012 Paper

NGTS: a robotic transit survey to detect Neptune and super-Earth mass planets

Bruno Chazelas, Don Pollacco, Didier Queloz, Heike Rauer, Peter Wheatley, Richard West, Joao Da Silva Bento, Matthew Burleigh, James McCormac, Philipp Eigmüller, Anders Erikson, Ludovic Genolet, Mike Goad, Andrés Jordán, Marion Neveu, Simon Walker

Proceedings Volume 8444, 84440E (2012) https://doi.org/10.1117/12.925755

KEYWORDS: Planets, Stars, Telescopes, Space telescopes, Neptune, Sensors, Prototyping, Robotics, Photometry, Charge-coupled devices

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