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Träfflista för sökning "WFRF:(Kerr Y.) "

Search: WFRF:(Kerr Y.)

  • Result 1-10 of 166
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  • Mishra, A, et al. (author)
  • Diminishing benefits of urban living for children and adolescents' growth and development
  • 2023
  • In: Nature. - : Springer Science and Business Media LLC. - 1476-4687 .- 0028-0836. ; 615:7954, s. 874-883
  • Journal article (peer-reviewed)abstract
    • Optimal growth and development in childhood and adolescence is crucial for lifelong health and well-being1–6. Here we used data from 2,325 population-based studies, with measurements of height and weight from 71 million participants, to report the height and body-mass index (BMI) of children and adolescents aged 5–19 years on the basis of rural and urban place of residence in 200 countries and territories from 1990 to 2020. In 1990, children and adolescents residing in cities were taller than their rural counterparts in all but a few high-income countries. By 2020, the urban height advantage became smaller in most countries, and in many high-income western countries it reversed into a small urban-based disadvantage. The exception was for boys in most countries in sub-Saharan Africa and in some countries in Oceania, south Asia and the region of central Asia, Middle East and north Africa. In these countries, successive cohorts of boys from rural places either did not gain height or possibly became shorter, and hence fell further behind their urban peers. The difference between the age-standardized mean BMI of children in urban and rural areas was <1.1 kg m–2 in the vast majority of countries. Within this small range, BMI increased slightly more in cities than in rural areas, except in south Asia, sub-Saharan Africa and some countries in central and eastern Europe. Our results show that in much of the world, the growth and developmental advantages of living in cities have diminished in the twenty-first century, whereas in much of sub-Saharan Africa they have amplified.
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  • Abdo, A. A., et al. (author)
  • FERMI DISCOVERY OF GAMMA-RAY EMISSION FROM NGC 1275
  • 2009
  • In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 699:1, s. 31-39
  • Journal article (peer-reviewed)abstract
    • We report the discovery of high-energy (E > 100 MeV) gamma-ray emission from NGC 1275, a giant elliptical galaxy lying at the center of the Perseus cluster of galaxies, based on observations made with the Large Area Telescope (LAT) of the Fermi Gamma-ray Space Telescope. The positional center of the gamma-ray source is only approximate to 3' away from the NGC 1275 nucleus, well within the 95% LAT error circle of approximate to 5'. The spatial distribution of gamma-ay photons is consistent with a point source. The average flux and power-law photon index measured with the LAT from 2008 August 4 to 2008 December 5 are F-gamma = (2.10 +/- 0.23) x 10(-7) ph (>100 MeV) cm(-2) s(-1) and Gamma = 2.17 +/- 0.05, respectively. The measurements are statistically consistent with constant flux during the four-month LAT observing period. Previous EGRET observations gave an upper limit of F-gamma < 3.72 x 10(-8) ph (>100 MeV) cm(-2) s(-1) to the gamma-ray flux from NGC 1275. This indicates that the source is variable on timescales of years to decades, and therefore restricts the fraction of emission that can be produced in extended regions of the galaxy cluster. Contemporaneous and historical radio observations are also reported. The broadband spectrum of NGC 1275 is modeled with a simple one-zone synchrotron/synchrotron self-Compton model and a model with a decelerating jet flow.
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  • Result 1-10 of 166
Type of publication
journal article (160)
conference paper (4)
research review (2)
Type of content
peer-reviewed (159)
other academic/artistic (7)
Author/Editor
Kerr, M. (97)
Longo, F. (94)
Reimer, O. (94)
Bellazzini, R. (94)
Fusco, P. (94)
Gargano, F. (94)
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Guiriec, S. (94)
Mazziotta, M. N. (94)
Raino, S. (94)
Spinelli, P. (94)
Kuss, M. (94)
Sgrò, C. (94)
Bruel, P. (93)
Cameron, R. A. (93)
Ciprini, S. (93)
Giglietto, N. (93)
Loparco, F. (93)
Lubrano, P. (93)
Morselli, A. (93)
Bastieri, D. (93)
Caraveo, P. A. (92)
Giordano, F. (92)
Mizuno, T. (92)
Ballet, J. (92)
Torres, D. F. (91)
de Palma, F. (91)
Barbiellini, G. (91)
Orlando, E. (91)
Baldini, L. (90)
Michelson, P. F. (90)
Nuss, E. (90)
Pesce-Rollins, M. (90)
Latronico, L. (90)
Moskalenko, I. V. (90)
Reimer, A. (89)
Porter, T. A. (89)
Grenier, I. A. (89)
Paneque, D. (88)
Lovellette, M. N. (88)
Piron, F. (88)
Razzano, M. (88)
Rando, R. (88)
Bregeon, J. (87)
Fukazawa, Y. (87)
Ohsugi, T. (86)
Thayer, J. B. (86)
Glanzman, T. (86)
Caliandro, G. A. (85)
Cohen-Tanugi, J. (85)
Favuzzi, C. (85)
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University
Stockholm University (76)
Royal Institute of Technology (64)
Karolinska Institutet (47)
Linnaeus University (36)
Lund University (20)
Uppsala University (19)
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University of Gothenburg (18)
Högskolan Dalarna (12)
Umeå University (4)
Örebro University (2)
Linköping University (1)
Stockholm School of Economics (1)
University of Skövde (1)
Swedish Museum of Natural History (1)
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Language
English (166)
Research subject (UKÄ/SCB)
Natural sciences (100)
Medical and Health Sciences (35)
Social Sciences (1)

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