Extreme time and angular resolution in the optical with Cherenkov telescopes
Grant period
2023-04-01 - 2028-03-31
Funding body
European Union
Call number
ERC-2022-STG
Grant number
101076533
Identifier
G:(EU-Grant)101076533
Note: The universe in the visible wavelength remains largely unexplored in the sub-second time regime and sub-milliarcsecond scale, primarily due to instrumental limitations. Overcoming these impediments would bring a breakthrough in our knowledge of stellar physics, evolution and modelling by imaging the stars and their surroundings as well as unravel the history of the Solar System.
MicroStars will demonstrate the viability of a cost-effective and novel solution to enhance the capabilities of Imaging Atmospheric Cherenkov Telescopes (IACTs) to perform ultra-fast optical measurements. Such an upgrade allows two novel applications of these telescopes in the visible range: their use as Stellar Intensity Interferometers and as high-time-resolution, fast, high-precision photometers.
MicroStars will allow to expand the limiting time and angular resolution of current optical observatories by at least an order of magnitude. By upgrading the capabilities of next-generation IACTs, MicroStars has the potential of creating a host of scientific breakthroughs, answering fundamental questions regarding stellar physics, magnetic activity and modelling, exoplanet properties and the Solar System planetary formation. The interdisciplinary and field-transforming nature of MicroStars, merging astroparticle physics instrumentation with optical astronomy, will extend the scientific life of current IACT experiments, and greatly expand the scientific impact of the next generation: the Cherenkov Telescope Array. Bringing this proposal to life is only possible with an ambitious funding scheme, willing to finance the major equipment needed, and support a research team with the required multidisciplinary skills to expand the state of the art with novel instrumentation and methodologies.
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