Abstract
MISTRAL is a millimetric camera working in the W-band (78–103 GHz) which will take data from the Sardinia Radio Telescope, the Italian 64-m radio telescope located 50 km form Cagliari, at 600m above the sea level, in Sardinia. It is being built as a facility instrument by the Sapienza University for INAF, that manages the radio telescope, under a PON contract. It will consist of a compact cryostat hosting the re–imaging optics, cooled at 4K, and a 408–pixel array of photon–noise limited lumped element kinetic inductance detectors fabricated at CNR-IFN and cooled at a base temperature lower than 300mK. MISTRAL will be able to investigate a long list of scientific targets spanning from extragalactic astrophysics to solar system science, with high angular resolution (~ 12 arcsec), including Sunyaev Zel’dovich effect measurements and the study of the Cosmic Web.
Highlights
Sardinia Radio telescope (SRT) is a multipurpose telescope aimed to measure the electromagnetic radiation from 300 MHz to 116 GHz
MISTRAL will be installed in March 2022 and commissioning activities will start in spring 2022
SRT is a multipurpose observatory designed to measure a wide range of radio wavelengths: from 300 MHz to 116 GHz
Summary
Sardinia Radio telescope (SRT) is a multipurpose telescope aimed to measure the electromagnetic radiation from 300 MHz to 116 GHz. After the scientific commissioning, in 2015, 4 receivers have been installed and successfully operated at frequency lower than 26.5 GHz. New instruments are going to be installed in the future, among which, MISTRAL will measure in the W-band. High angular resolution W-band measurements open at a number of possibilities of scientific cases, including galaxies spectral energy distribution measurement and their continuum observation [1], AGN and radio galaxies [2], detection of circumstellar disks [3], dense core in giant molecular gas investigation [4], synchrotron non thermal jet and hot spot [5], intraclusters filaments, cosmic web, and other S-Z related observation [6, 7]; and even more, by correlating with other experiment. MISTRAL aims to perform high angular resolution measurement with an array of lumped element kids detectors coupled, thanks to a re-imaging optic system, with SRT.
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