Results 31 to 40 of about 2,720 (178)

The new architecture design of the Science Alert Generation pipeline of the Cherenkov Telescope Array Observatory [PDF]

International Conference on Rebooting Computing
The Cherenkov Telescope Array Observatory (CTAO) represents the next-generation gamma-ray observatory and will operate for several decades. It will be particularly suited to analyse transients and variable phenomena, which will trigger real-time ...
CTAO-ACADA Collaboration Luca Castaldini, A. Bulgarelli, V. Pollet, G. Panebianco, P. Aubert, S. Caroff, Giovanni De Cesare, A. Piano, V. Fioretti, G. Maurin, T. Oprinsen, N. Parmiggiani, T. Vuillaume, I. Oya, K. E. I. -. O. D. A. E. S. Bologna, Bologna, Italy, Univ. Savoie Mont Blanc, Cnrs, L. D. D. P. D. P. -. IN2P3, Annecy, France, Ciemat, Madrid, Spain., Institut fur Physik und Astronomie, U. Potsdam, Potsdam, Germany   +28 more
semanticscholar   +1 more source

FELS – Forschend-Entdeckendes Lernen mit dem Smartphone

MedienPädagogik: Zeitschrift für Theorie und Praxis der Medienbildung, 2018
Obwohl die Schulleistungen der Schülerinnen und Schüler in Physik seit dem Pisa-Schock zunahmen, gehört Physik nach wie vor zu den unbeliebtesten Fächern im Schulkanon.
Jirka Müller, Uta Magdans, Andreas Borowski   +2 more
doaj   +1 more source

Timing and spectral analysis of 2S 1417−624 during its 2018 outburst [PDF]

Monthly notices of the Royal Astronomical Society, 2021
We investigate timing and spectral characteristics of the transient X-ray pulsar 2S 1417−624 during its 2018 outburst with NICER follow up observations.
M. Serim, O.C.Ozudogru, C.K.Donmez, S.Sahiner, D.Serim, A.Baykal, S. P. Department, Ankara, Turkey, I. F. A. U. Astrophysik, Tubingen, Germany., A. University, D. Electrical, Electronic Engineering, B. University, Department of Electronics, C. Engineering, Istanbul, Baskent University   +19 more
semanticscholar   +1 more source

The early B-type star Rho Oph A is an X-ray lighthouse [PDF]

, 2017
We present the results of a 140 ks XMM-Newton observation of the B2 star $\rho$ Ophiuchi A. The star has exhibited strong X-ray variability: a cusp-shaped increase of rate, similar to that which we partially observed in 2013, and a bright flare.
I. Pillitteri, S. Wolk, F. Reale, Lida Oskinova INAF-Osservatorio Astronomico di Palermo Italy, H. C. F. A. Usa, U. Palermo, Institut fur Physik und Astronomie, Universitat Potsdam Germany   +7 more
semanticscholar   +1 more source

Following excited-state chemical shifts in molecular ultrafast x-ray photoelectron spectroscopy

Nature Communications, 2022
Imaging the charge flow in photoexcited molecules would provide key information on photophysical and photochemical processes. Here the authors demonstrate tracking in real time after photoexcitation the change in charge density at a specific site of 2 ...
D. Mayer, F. Lever, D. Picconi, J. Metje, S. Alisauskas, F. Calegari, S. Düsterer, C. Ehlert, R. Feifel, M. Niebuhr, B. Manschwetus, M. Kuhlmann, T. Mazza, M. S. Robinson, R. J. Squibb, A. Trabattoni, M. Wallner, P. Saalfrank, T. J. A. Wolf, M. Gühr   +19 more
doaj   +1 more source

Quantified H i morphology – III. Merger visibility times from H i in galaxy simulations [PDF]

, 2011
Major mergers of disk galaxies are thought to be a substantial driver in galaxy evolution. To trace the fraction and the rate galaxies are in mergers over cosmic times, several observational techniques, including morphological selection criteria, have ...
B. Holwerda, N. Pirzkal, T. J. Cox, W. D. Blok, J. Weniger, A. Bouchard, S. Blyth, K. Agency, Estec, Astrophysics, Cosmology, Gravity Centre, A. Department, U. C. Town, Space Telescope Science Institute, C. Observatories, Institut fur Physik und Astronomie, U. Wien, D. Physics, M. University   +19 more
semanticscholar   +1 more source

Nucleon quasi-parton distributions in the large Nc limit

Physics Letters B, 2020
In this letter, we investigate the nucleon quasi-parton distribution functions in the chiral quark soliton model. We derive a set of sum-rules depending on the velocity of the nucleon and on the Dirac matrix defining the distribution functions.
Hyeon-Dong Son, Asli Tandogan, Maxim V. Polyakov   +2 more
doaj   +1 more source

The heart of NGC 5253 as seen with MUSE-NFM: nitrogen enrichment through stellar chemical feedback at parsec scales [PDF]

NGC 5253 is a nearby (D=3.6 Mpc) Blue Compact Dwarf galaxy, notable for its three massive young super star clusters (SSCs) and nitrogen enrichment.
Brigitte G.A. Pruijt, A. Monreal-Ibero, P. Weilbacher, J. R. Walsh, S. Kamann, A. Soemitro, H. Kusakabe, Leindert Boogaard Leiden Observatory, Leiden University, Leibniz-Institut fur Astrophysik Potsdam, E. Observatory, A. R. Institute, Liverpool John Moore's University, Institut fur Physik und Astronomie, U. Potsdam, Department of Interdisciplinary Studies, Graduate School of Arts, Sciences, T. U. O. Tokyo   +18 more
semanticscholar   +1 more source

Fundamental constants and high resolution spectroscopy [PDF]

, 2013
Absorption-line systems detected in high resolution quasar spectra can be used to compare the value of dimensionless fundamental constants such as the fine-structure constant, α, and the proton-to-electron mass ratio, μ = mp/me, as measured in remote ...
P. Bonifacio, H. Rahmani, J. Whitmore, M. Wendt, M. Centurión, P. Molaro, R. Srianand, M. Murphy, P. Petitjean, I. I. Agafonova, S. D’odorico, T. Evans, S. Levshakov, S. López, C. Martins, D. Reimers, G. H. D. O. D. Paris, Iucaa, Centre for Gravitational Astrophysics, Supercomputing, S. U. O. Technology, H. Sternwarte, Institut fur Physik und Astronomie, U. Potsdam, I. -. O. T. Iap, I. Institute, Eső, St.Petersburg Electrotechnical University LETI', D. D. Astronomia, Universidad de Chile Centro de Astrof'isica, U. Porto   +30 more
semanticscholar   +1 more source

Weak magnetic fields in central stars of planetary nebulae [PDF]

, 2014
It is not yet clear whether magnetic fields play an essential role in shaping planetary nebulae (PNe), or whether stellar rotation alone and/or a close binary companion can account for the variety of the observed nebular morphologies.
M. Steffen, S. Hubrig, H. Todt, M. Scholler, W. Hamann, C. Sandin, D. M. L. F. A. Potsdam, Germany., U. Potsdam, Institut fur Physik und Astronomie, E. Observatory, Garching   +11 more
semanticscholar   +1 more source