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The THESEUS space mission concept: science case, design and expected performances
Amati, L.,O’Brien, P.,Gö,tz, D.,Bozzo, E.,Tenzer, C.,Frontera, F.,Ghirlanda, G.,Labanti, C.,Osborne, J.P.,Stratta, G.,Tanvir, N.,Willingale, R.,Attina, P.,Campana, R.,Castro-Tirado, A.J.,Contini, Elsevier 2018 ADVANCES IN SPACE RESEARCH Vol.62 No.1
<P><B>Abstract</B></P> <P>THESEUS is a space mission concept aimed at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and time-domain astrophysics. These goals will be achieved through a unique combination of instruments allowing GRB and X-ray transient detection over a broad field of view (more than 1sr) with 0.5–1 arcmin localization, an energy band extending from several MeV down to 0.3 keV and high sensitivity to transient sources in the soft X-ray domain, as well as on-board prompt (few minutes) follow-up with a 0.7 m class IR telescope with both imaging and spectroscopic capabilities. THESEUS will be perfectly suited for addressing the main open issues in cosmology such as, e.g., star formation rate and metallicity evolution of the inter-stellar and intra-galactic medium up to redshift ∼ 10, signatures of Pop III stars, sources and physics of re-ionization, and the faint end of the galaxy luminosity function. In addition, it will provide unprecedented capability to monitor the X-ray variable sky, thus detecting, localizing, and identifying the electromagnetic counterparts to sources of gravitational radiation, which may be routinely detected in the late ’20s/early ’30s by next generation facilities like aLIGO/ aVirgo, eLISA, KAGRA, and Einstein Telescope. THESEUS will also provide powerful synergies with the next generation of multi-wavelength observatories (e.g., LSST, ELT, SKA, CTA, ATHENA).</P>
The Correlation between the Peak Photon Energy and the Radiated Energy in Gamma-Ray Bursts
Lorenzo Amati 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.5
The correlation between the photon energy at which the redshift-corrected νFν spectrum peaks (hereafter called “peak energy”, Ep,i) and the isotropic equivalent radiated energy (Eiso) is one of the most intriguing and debated peaces of observational evidence in Gamma-Ray Burst (GRB)astrophysics. I present the updated Ep,i – Eiso correlation and discuss its main implications for the physics and the geometry of the GRB emission, with particular emphasis on the properties of Swift GRBs and the location in the Ep,i – Eiso plane of sub-energetic long GRBs, GRB/SN events, short GRBs and the recently discovered sub-class of long GRBs without association with a hypernova.
THESEUS: A key space mission concept for Multi-Messenger Astrophysics
Stratta, G.,Ciolfi, R.,Amati, L.,Bozzo, E.,Ghirlanda, G.,Maiorano, E.,Nicastro, L.,Rossi, A.,Vinciguerra, S.,Frontera, F.,Gö,tz, D.,Guidorzi, C.,O’Brien, P.,Osborne, J.P.,Tanvir, N.,Branchesi, M. Elsevier 2018 ADVANCES IN SPACE RESEARCH Vol.62 No.3
<P><B>Abstract</B></P> <P>The recent discovery of the electromagnetic counterpart of the gravitational wave source GW170817, has demonstrated the huge informative power of multi-messenger observations. During the next decade the nascent field of multi-messenger astronomy will mature significantly. Around 2030 and beyond, third generation ground-based gravitational wave detectors will be roughly ten times more sensitive than the current ones. At the same time, neutrino detectors currently upgrading to multi km<SUP>3</SUP> telescopes, will include a 10 km<SUP>3</SUP> facility in the Southern hemisphere. In this review, we describe the most promising sources of high frequency gravitational waves and neutrinos that will be detected in the next two decades. In this context, we show the important role of the <I>Transient High Energy Sky and Early Universe Surveyor</I> (THESEUS), a mission concept accepted by ESA for phase A study and proposed by a large international collaboration in response to the call for the Cosmic Vision Programme M5 missions. THESEUS aims at providing a substantial advancement in early Universe science as well as in multi–messenger and time–domain astrophysics, operating in strong synergy with future gravitational wave and neutrino detectors as well as major ground- and space-based telescopes. This review is an extension of the THESEUS white paper (Amati et al., 2017), also in light of the discovery of GW170817/GRB170817A that was announced on October 16th, 2017.</P>
Yokohari, Makoto,Kurita, Hideharu,Amati, Marco The Korean Institute of Landscape Architecture 2001 Journal of the Korean institute of landscape archi Vol.1 No.-
One of the major environmental issues Japanese cities is now facing with is the conservation of seminatural landscapes for the restoration of ecological integrity of urban areas. The satoyama landscape, which includes coppice woodlands, agricultural areas and rural settlements, is seen as an indispensable semi-natural landscape, formed as a result of man-nature interaction. However, because of the loss of the economic viability they are now abandoned and in the process of losing their ecological values. Today a number of local municipalities as well as NPO groups are involved in the conservation projects of these landscapes. Although satoyama landscapes are commonly believed to have maintained their character over the years, historical studies have revealed that these landscapes have experienced constant and dynamic changes due to a variation in human impacts. It is therefore understood that the conservation projects on satoyama landscapes should not intend to restore their past condition, but should wet the goal of maintaining their dynamic character by promoting ecological roles which the landscapes may play in the contemporary world. EXPO2005 project in Aichi Prefecture is a good example of a development project underway on satoyama landscapes which intend to conserve the landscapes by stimulating contemporary ecological for them. In EXPO2005 project the key issue was the conservation of semi-natural landscapes formed by constant and intensive human impacts over the centuries and thus allowing endemic and endangered species to be accommodated. The planning team proposed a scheme to restore economic viability of satoyama landscapes. The scheme involves re-introducing intensive human impacts through a new management system with an innovative technology. This may restore the economic viability of lumbers provided form satoyama woodlands. EXPO2005 is understood as a model case which stimulates contemporary ecological functions of satoyama landscapes by applying innovative planning concepts.
Uniform nomenclature for the mitochondrial contact site and cristae organizing system
Pfanner, Nikolaus,van der Laan, Martin,Amati, Paolo,Capaldi, Roderick A.,Caudy, Amy A.,Chacinska, Agnieszka,Darshi, Manjula,Deckers, Markus,Hoppins, Suzanne,Icho, Tateo,Jakobs, Stefan,Ji, Jianguo,Kozj The Rockefeller University Press 2014 The Journal of cell biology Vol.204 No.7
<P>The mitochondrial inner membrane contains a large protein complex that functions in inner membrane organization and formation of membrane contact sites. The complex was variably named the mitochondrial contact site complex, mitochondrial inner membrane organizing system, mitochondrial organizing structure, or Mitofilin/Fcj1 complex. To facilitate future studies, we propose to unify the nomenclature and term the complex “mitochondrial contact site and cristae organizing system” and its subunits Mic10 to Mic60.</P>