86,568 research outputs found
ARCES Observations of the TESS Circumbinary Planet TIC 172900988b
No full textAbstract: Kostov et al. (2021) report the discovery of the first transiting circumbinary planet, detected from a single sector of TESS data. ARCES observations played a role in helping to establish the parameters of the system. We briefly present an overview of this interesting planetary system and then discuss the challenges encountered in analyzing ARCES data to derive accurate radial velocities for this project
Enhanced detection and estimation of regional S-phases using the 3-component ARCES array
No full textIn September 2014, the ARCES array in Northern Norway was upgraded to consist of 3-component instruments at each of its 25 sites. It is thereby the first array station of the International Monitoring System to be fully 3-component. S-phases are of paramount importance for the detection and location of seismic events at regional distances, especially given sparse station coverage, and it is important that these phases are both detected confidently and attributed accurate slowness estimates. The slowness estimates both identify the phase and provide phase association algorithms with the information necessary to form a high-quality seismic event hypothesis. Prior to September 2014, ARCES had 3-component sensors at four sites only. While these 3-component seismometers were highly beneficial for the detection of regional S-phases, often using incoherent beams, it was often more reliable to perform f-k analysis on the 25 vertical sensors rather than the small number of available horizontal waveforms. In addition to providing an increased signal-to-noise ratio, signals on the horizontal traces are more coherent for the S-phases and display a high measure of semblance over the array. This improves the stability of f-k analysis, since the estimates are less susceptible to the effects of scattering and incoherence. The improved coherence of S-phases across the array aperture on the horizontal components provides the basis for superior secondary phase detection capability using F-detectors and other coherence-based algorithms. Analysis of regional signal coda on the 3-component array indicates different characteristics of the apparent slowness on the different components. The 27 January 2018 earthquake on Novaya Zemlya was the first seismic event close to the former Soviet nuclear test-site to be recorded using the upgraded 3-component ARCES array. We examine the evolution of the slowness pattern for on the different components of the wavetrain and speculate that a continuous f-k detector on three components may be able to detect small seismic events in the eastern Barents Sea with increased robustness and sensitivity. We review the development of the instrumentation at ARCES and explain the motivation behind the hybrid response sensors currently deployed.</p
Strutture espositive in Gaio: condizione servile e potestà dominicale in inst. 1.52-54.
No full textIl contributo illustra una tecnica di scrittura delle Istituzioni di Gaio mediante l'analisi della sequenza testuale contenuta in inst. 1.52-54
Laparoscopic Radical Antegrade Modular Pancreatosplenectomy with En-Bloc Clearance of the Extrapancreatic Nerve Plexus for Pancreatic Ductal Carcinoma
No full textVariations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Correction to: The decrease of non-complicated acute appendicitis and the negative appendectomy rate during pandemic (European Journal of Trauma and Emergency Surgery, (2021), 10.1007/s00068-021-01663-7)
No full textThe original version of this article unfortunately contained a mistake. The Acknowledgement with the members of the Appendicitis- COVID study group is missing. The correct version of is given below. Acknowledgements Members of the Appendicitis-COVID study group: Monza: Marco Nizzardo, Luca Nespoli, Luca Fattori, Luca Degrate, Stefano Perrone, Marco Cereda Bergamo: Michele Pisano, Elia Poiasina, Paolo Bertoli Lodi: Michele Ballabio, Stefano Braga Pavia: Giorgio Graziano Pisa: DarioTartaglia, Francesco Arces Lecco: Marco Mariani, Fulvio Tagliabue Parma: Gennaro Perrone, Alfredo Annicchiarico, Mario Giuffrida Legnano: Giovanni Ferrari, Antonio Benedetti, Niccolò Allievi Ponte San Pietro: Michele Ciocca, Enrico Pinotti, Mauro Montuori San Raffaele: Michele Carlucci, Valentina Tomajer Cesena: Paola Fugazzola The original article has been corrected
[Newspaper Clipping: Author Claims Evidence of Second JFK Assassin #1]
No full textNewspaper article titled "Author Claims Evidence of Second JFK Assassin." The article states that author Richard J. Whalen concluded "that there is circumstantial evidence to support the theory of a second assassin in the shooting of President John F. Kennedy.
Also By The Same Author: AKTiveAuthor, a Citation Graph Approach to Name Disambiguation
No full textThe desire for definitive data and the semantic web drive for inference over heterogeneous data sources requires co-reference resolution to be performed on those data. In particular, name disambiguation is required to allow accurate publication lists, citation counts and impact measures to be determined. This paper describes a graph-based approach to author disambiguation on large-scale citation networks. Using self-citation, co-authorship and document source analyses, AKTiveAuthor clusters papers, achieving precision of 0.997 and recall of 0.818 over a test group of eight surname clusters
John F. Kennedy telegram to Roosevelt
No full textJersey Homesteads (later the Borough of Roosevelt) was established in the 1930s as an agro-industrial cooperative community. It was established specifically for urban Jewish garment workers, many of whom had emigrated from Europe. President John F. Kennedy sent a telegram to the citizens of Roosevelt, New Jersey, apologizing for not being able to attend the memorial dedication in honor of former President Franklin Delano Roosevelt. (Jersey Homesteads became Roosevelt in 1945 in honor of the president.) President Kennedy expressed his gratitude to the people of Roosevelt for constructing the memorial, and commented that it will serve as a constant reminder of Roosevelt's good works
Logarithmic variance profiles and the corresponding f-1 spectra of temperature fluctuations in turbulent Rayleigh-Bénard convection
No full textWe report experimental results for the temperature variance 2(z) and the corresponding frequency spectra P(f) in turbulent Rayleigh-Bénard convection (RBC) in a cylindrical sample of aspect ratioT= D/L = 1:00 (D = 1:12 m is the diameter and L = 1:12 m the height). The measurements were conducted in the Rayleigh-number range 1011 < Ra < 1:35 1014 and Pr ' 0:8. For Ra = 1:35x1014, 2(z) could be described well by a logarithmic dependence on the vertical position z in a range of z 1 < z < z 2 with z 1 ' 70 and z 2 = 0:1L. Here L=(2Nu) is the thickness of a thin thermal sublayer adjacent to the horizontal plate where the heat flux (denoted by the Nusselt number Nu) is carried mostly by thermal diffusion. In the log layer, we found that the temperature spectra had a significant frequency range over which P(f) f with close to 1. As Ra decreased, increased so that the log layer became thinner. At Ra = 2:05 1011, z 2 < z 1 and therefore there was no range for a log layer. Correspondingly, the temperature spectrum near the horizontal plate did not have the f1 scaling form either
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