29 research outputs found

    A Gestão Estratégica dos Recursos Humanos nas Autarquias Locais: estudo de caso na Câmara Municipal de Cantanhede

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    Os Recursos Humanos são fundamentais para o prosseguimento da missão e dos objetivos de qualquer organização. A Gestão Estratégica dos Recursos Humanos, permite que uma organização alcance os seus objetivos, através do aumento da probabilidade de realização dos mesmos. Esta lógica de Gestão dos Recursos Humanos, revela-se como uma promessa explícita de eficácia organizacional, que pode ser alcançada pelo desenvolvimento do conjunto de práticas de RH internamente consistentes e adequadas aos contextos organizacionais. O concretizar de uma Gestão Estratégica dos Recursos Humanos nas organizações da Administração Pública, considerando a complexidade humana e o valor inerente, é uma via para o desenvolvimento a todos os níveis. Nas Câmaras Municipais, enquanto órgãos executivos de uma das formas de Autarquias Locais que é o Município, a Gestão Estratégica dos Recursos Humanos torna-se um investimento necessário para a melhoria contínua na prestação de serviços públicos. Isso, tendo em conta que a descentralização de competências da Administração Pública Central, para as Autarquias Locais, acarreta um aumento de responsabilidades e requer maior capacidade de resposta às demandas sociais. É no contexto da Administração Pública, em particular das Autarquias Locais, que se realiza o estudo de caso na Câmara Municipal de Cantanhede. O objetivo desta investigação é compreender a dinâmica do sector dos Recursos Humanos nas Autarquias Locais, sob a perspetiva da Gestão Estratégica dos Recursos Humanos, e perceber a importância que esta tem no desempenho global dessas organizações. O tipo de pesquisa que se materializa é qualitativo e exploratório, com a realização de observação direta, análise documental e entrevistas semiestruturadas. Verifica-se com este estudo, que é preocupação da Câmara Municipal de Cantanhede e do sector dos Recursos Humanos, desenvolver procedimentos estratégicos de Gestão dos Recursos Humanos. Apesar de ser um processo limitado pelos problemas relativos à atualização das carreiras, baixa remuneração, ausência de compensações e prémio de desempenho. Para que a Gestão Estratégica dos Recursos Humanos tenha efetivamente campo de ação, é preciso que a Gestão dos Recursos Humanos seja desmistificada enquanto conceito e experienciada de forma expressiva nas Autarquias Locais, em conjunto com o reforço da autonomia dessas organizações. / Human Resources are fundamental for the pursuit of the mission and goals of any organization. The Strategic Management of Human Resources allows an organization to achieve its objectives by increasing the probability of achieving them. This Human Resource Management logic is an explicit promise of organizational effectiveness that can be achieved by developing a set of HR practices that are internally consistent and appropriate to organizational contexts. The realization of a Strategic Management of Human Resources in Public Administration organizations, considering the human complexity and the inherent value, is a way for development at all levels. In the Municipal Councils, as an executive bodies of one of the forms of Local Authorities that is the Municipality, the Strategic Management of Human Resources becomes a necessary investment for the continuous improvement in the provision of public services. This, taking into account that the decentralization of competences of the Central Public Administration, for Local Authorities, entails an increase in responsibilities and requires greater capacity to respond to social demands. It is in the context of the Public Administration, in particular the Local Authorities, that the case study is carried out in Cantanhede Town Hall. The objective of this research is to understand the dynamics of the Human Resources sector in Local Authorities, from the perspective of the Strategic Management of Human Resources, and realize the importance it has in the overall performance of these organizations. The type of research that materializes is qualitative and exploratory, with direct observation, documental analysis and semi-structured interviews. It is verified with this study, that is concern of the Cantanhede Town Hall and of the Human Resources sector to develop strategic human resources management procedures. Although it is a process limited by the problems related to the updating of the careers, low remuneration, absence of compensations and performance bonus. In order for the Strategic Management of Human Resources to have an effective field of action, it is necessary that the Human Resources Management be demystified as a concept and experienced in an expressive way in Local Authorities, together with the reinforcement of the autonomy of these organizations

    Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model

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    We present results from a semicoherent search for continuous gravitational waves from the low-mass x-ray binary Scorpius X-1, using a hidden Markov model (HMM) to track spin wandering. This search improves on previous HMM-based searches of LIGO data by using an improved frequency domain matched filter, the J-statistic, and by analyzing data from Advanced LIGO's second observing run. In the frequency range searched, from 60 to 650 Hz, we find no evidence of gravitational radiation. At 194.6 Hz, the most sensitive search frequency, we report an upper limit on gravitational wave strain (at 95% confidence) of h095%=3.47×10-25 when marginalizing over source inclination angle. This is the most sensitive search for Scorpius X-1, to date, that is specifically designed to be robust in the presence of spin wandering. © 2019 American Physical Society

    Search for Tensor, Vector, and Scalar Polarizations in the Stochastic Gravitational-Wave Background

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    The detection of gravitational waves with Advanced LIGO and Advanced Virgo has enabled novel tests of general relativity, including direct study of the polarization of gravitational waves. While general relativity allows for only two tensor gravitational-wave polarizations, general metric theories can additionally predict two vector and two scalar polarizations. The polarization of gravitational waves is encoded in the spectral shape of the stochastic gravitational-wave background, formed by the superposition of cosmological and individually unresolved astrophysical sources. Using data recorded by Advanced LIGO during its first observing run, we search for a stochastic background of generically polarized gravitational waves. We find no evidence for a background of any polarization, and place the first direct bounds on the contributions of vector and scalar polarizations to the stochastic background. Under log-uniform priors for the energy in each polarization, we limit the energy densities of tensor, vector, and scalar modes at 95% credibility to Ω0T<5.58×10-8, Ω0V<6.35×10-8, and Ω0S<1.08×10-7 at a reference frequency f0=25 Hz. © 2018 American Physical Society

    Erratum: "A Gravitational-wave Measurement of the Hubble Constant Following the Second Observing Run of Advanced LIGO and Virgo" (2021, ApJ, 909, 218)

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    On the progenitor of binary neutron star merger GW170817

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    On 2017 August 17 the merger of two compact objects with masses consistent with two neutron stars was discovered through gravitational-wave (GW170817), gamma-ray (GRB 170817A), and optical (SSS17a/AT 2017gfo) observations. The optical source was associated with the early-type galaxy NGC 4993 at a distance of just ∼40 Mpc, consistent with the gravitational-wave measurement, and the merger was localized to be at a projected distance of ∼2 kpc away from the galaxy's center. We use this minimal set of facts and the mass posteriors of the two neutron stars to derive the first constraints on the progenitor of GW170817 at the time of the second supernova (SN). We generate simulated progenitor populations and follow the three-dimensional kinematic evolution from binary neutron star (BNS) birth to the merger time, accounting for pre-SN galactic motion, for considerably different input distributions of the progenitor mass, pre-SN semimajor axis, and SN-kick velocity. Though not considerably tight, we find these constraints to be comparable to those for Galactic BNS progenitors. The derived constraints are very strongly influenced by the requirement of keeping the binary bound after the second SN and having the merger occur relatively close to the center of the galaxy. These constraints are insensitive to the galaxy's star formation history, provided the stellar populations are older than 1 Gyr

    Improved Measurement of the Evolution of the Reactor Antineutrino Flux and Spectrum at Daya Bay

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    International audienceReactor neutrino experiments play a crucial role in advancing our knowledge of neutrinos. In this Letter, the evolution of the flux and spectrum as a function of the reactor isotopic content is reported in terms of the inverse-beta-decay yield at Daya Bay with 1958 days of data and improved systematic uncertainties. These measurements are compared with two signature model predictions: the Huber-Mueller model based on the conversion method and the SM2018 model based on the summation method. The measured average flux and spectrum, as well as the flux evolution with the Pu239 isotopic fraction, are inconsistent with the predictions of the Huber-Mueller model. In contrast, the SM2018 model is shown to agree with the average flux and its evolution but fails to describe the energy spectrum. Altering the predicted inverse-beta-decay spectrum from Pu239 fission does not improve the agreement with the measurement for either model. The models can be brought into better agreement with the measurements if either the predicted spectrum due to U235 fission is changed or the predicted U235, U238, Pu239, and Pu241 spectra are changed in equal measure
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