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Objectives of the Millimetron Space Observatory science program and technical capabilities of its realization

 a, b,  a,  a, c, d,  a,  a, e,  f,  g,  a, e,  a,  h, i,  a,  a,  a,  a,  a,  a,  a,  f,  a,  a,  g
a Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
b Niels Bohr International Academy, Niels Bohr Institute, Blegdamsvej 17, Copenhagen, DK-2100, Denmark
c Southern Federal University, Bolshaya Sadovaya Str. 105/42, Rostov-on-Don, 344006, Russian Federation
d Raman Research Institute, C. V. Raman Avenue, Sadashiva Nagar, Bangalore, 560080, India
e Kapteyn Astronomical Institute, University of Groningen, PO Box 72, Groningen, 9700, the Netherlands
f Ural Federal University named after the First President of Russia B N Yeltsin, prosp. Mira 19, Ekaterinburg, 620002, Russian Federation
g Institute of Astronomy, Russian Academy of Sciences, ul. Pyatnitskaya 48, Moscow, 119017, Russian Federation
h Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences, ul. Ulyanova 46, Nizhny Novgorod, 603000, Russian Federation
i N.I. Lobachevskii Nizhnii Novgorod State University, prosp. Gagarina 23, Nizhnii Novgorod, Russian Federation

We present the scientific program of the Spectr-M project aimed at the creation and operation of the Millimetron Space Observatory (MSO) planned for launch in the late 2020s. The unique technical capabilities of the observatory will enable broadband observations of astronomical objects from 50 μm to 10 mm wavelengths with a record sensitivity (up to ∼ 0.1 μJy) in the single-dish mode and with an unprecedented high angular resolution (∼ 0.1 μs) in the ground-space very long baseline interferometer (SVLBI) regime. The program addresses fundamental priority issues in of astrophysics and physics in general that can be solved only with the MSO capabilities: 1) the study of physical processes in the early Universe up to redshifts $z\sim 2\times 10^6$ through measuring μ-distortions of the cosmic microwave background (CMB) spectrum, and investigation of the structure and evolution of the Universe at redshifts z < 15 by measuring y-distortions of the CMB spectrum; 2) the investigation of the geometry of space-time around supermassive black holes (SMBHs) in the center of our Galaxy and M87 by imaging surrounding shadows, the study of plasma properties in the shadow formation regions, and the search for observational appearances of wormholes; 3) the study of observational appearances of the origin of life in the Universe — the search for water and biomarkers in the Galactic interstellar medium. Moreover, the technical capabilities of the MSO can help solve related problems, including the birth of the first galaxies and SMBHs (z ≿ 10), alternative approaches to measuring the Hubble constant, the physics of SMBHs in 'dusty' galactic nuclei, the study of protoplanetary disks and water transport in them, and the study of 'worlds with oceans' in the Solar System.

Typically, an English fulltext is available in about 3 months from the date of publication of the original article.

Keywords: submillimeter astronomy, Millimetron Space Observatory, supermassive black holes, wormholes, cosmic microwave background, early Universe, origin of galaxies, interstellar medium, water and biomarkers in the Galaxy, Solar System
PACS: 07.87.+v, 96.30.−t, 96.55.+z, 97.60.Lf, 98.80.Es (all)
DOI: 10.3367/UFNe.2020.12.038898
URL: https://ufn.ru/en/articles/2021/4/e/
Citation: Novikov I D, Likhachev S F, Shchekinov Yu A, Andrianov A S, Baryshev A M, Vasyunin A I, Wiebe D Z, de Graauw T, Doroshkevich A G, Zinchenko I I, Kardashev N S, Kostenko V I, Larchenkova T I, Likhacheva L N, Lyakhovets A O, Novikov D I, Pilipenko S V, Punanova A F, Rudnitsky A G, Smirnov A V, Shematovich V I "Objectives of the Millimetron Space Observatory science program and technical capabilities of its realization" Phys. Usp. 64 (4) (2021)

Received: 14th, April 2020, revised: 8th, December 2020, 7th, December 2020

Оригинал: Новиков И Д, Лихачёв С Ф, Щекинов Ю А, Андрианов А С, Барышев А М, Васюнин А И, Вибе Д З, де Граау Т, Дорошкевич А Г, Зинченко И И, Кардашёв Н С, Костенко В И, Ларченкова Т И, Лихачёва Л Н, Ляховец А О, Новиков Д И, Пилипенко С В, Пунанова А Ф, Рудницкий А Г, Смирнов А В, Шематович В И «Задачи научной программы космической обсерватории Миллиметрон и технические возможности её реализации» УФН 191 404–443 (2021); DOI: 10.3367/UFNr.2020.12.038898

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