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Related papers: Characterisation of exposure to non-ionising elect…

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Using data obtained as part of the {\it Spitzer} Infrared Nearby Galaxies Survey (SINGS; Kennicutt et al. 2003) and WSRT-SINGS radio continuum survey (Braun et al. 2006), we study the effects of star-formation activity on the far-infrared…

Astrophysics · Physics 2007-05-23 E. J. Murphy , G. Helou , L. Armus , R. Braun , J. D. P. Kenney , the SINGS team

Purpose: Low-field MRI systems operate at single MHz-range frequencies, where signal losses are primarily dominated by thermal noise from the radio-frequency (RF) receive coils. Achieving operation close to this limit is essential for…

Medical Physics · Physics 2026-03-09 Teresa Guallart-Naval , José M. Algarín , Joseba Alonso

We combine optical, near-infrared and mid-infrared spectra and photometry to construct expanded spectral energy distributions (SEDs) for 145 field age (\textgreater 500 Myr) and 53 young (lower age estimate \textless 500 Myr) ultracool…

Solar and Stellar Astrophysics · Physics 2015-09-23 Joseph C. Filippazzo , Emily L. Rice , Jacqueline Faherty , Kelle L. Cruz , Mollie M. Van Gordon , Dagny L. Looper

Aims: The objective of this study is to determine the general X-ray properties of the young stars in the external regions of the sigma Orionis cluster (tau ~ 3 Ma, d ~ 385 pc) and yield constraints on the X-ray emission of brown dwarfs.…

Astrophysics · Physics 2009-11-13 J. Lopez-Santiago , J. A. Caballero

The fifth-generation wireless (5G) has already started showing its capability to achieve extremely fast data transfer, which makes itself considered to be a promising mobile technology. However, concerns have been raised on adverse health…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Seungmo Kim , Imtiaz Nasim

The aim of this work is to investigate the applications of the neutral atom imaging to the environments of the Earth, Mars and Mercury. This innovative technique permits the study of energetic plasma by means of analysing the result of the…

Earth and Planetary Astrophysics · Physics 2023-02-23 Alessandro Mura

Air pollution is a pressing environmental risk to public health, particularly in cities where population density and pollution levels are high. Traditional methods for exposure analysis often rely on census data, but recent studies…

Objectives: Permissible limits have been established by international guidelines and standards for human protection to electromagnetic field exposure to prevent adverse health effects stemming from electrostimulation in the most sensitive…

Medical Physics · Physics 2025-02-12 Jose Gomez-Tames , Thomas Tarnaud , Wout Joseph , Emmeric Tanghe

Young and magnetically active low-mass stars often exhibit non-thermal coronal radio emission due to the gyration of electrons in their magnetized chromospheres. This emission is easily detectable at centimeter wavelengths with the current…

Solar and Stellar Astrophysics · Physics 2022-06-01 R. Launhardt , L. Loinard , S. A. Dzib , J. Forbrich , G. C. Bower , Th. K. Henning , A. J. Mioduszewski , S. Reffert

The Minkowski Functionals (MFs), a set of topological summary statistics, have emerged as a powerful tool for extracting non-Gaussian information. We investigate the prospect of constraining the reionization parameters using the MFs of the…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-10 Kangning Diao , Zhaoting Chen , Xuelei Chen , Yi Mao

Stellar population studies provide unique clues to constrain galaxy formation models. So far, detailed studies based on absorption line strengths have mainly focused on the optical spectral range although many diagnostic features are…

Astrophysics of Galaxies · Physics 2022-05-27 Elham Eftekhari , Alexandre Vazdekis , Francesco La Barbera

Background and controlled electromagnetic radiation (EMR) on biological cells and tissues induces thermal, non-thermal, and dielectric property change. After EMR interaction with cells/tissues the resulting signal is used for imaging,…

Biological Physics · Physics 2020-12-24 Biswadev Roy , Suryakant Niture , Marvin H. Wu

We investigate radiation hardness within a representative sample of 67 nearby (0.02 $\lesssim $z$ \lesssim$0.06) star-forming (SF) galaxies using the integral field spectroscopic data from the MaNGA survey. The softness parameter $\eta$ =…

Astrophysics of Galaxies · Physics 2021-09-15 Nimisha Kumari , Ricardo Amorin , Enrique Perez-Montero , Jose Vilchez , Roberto Maiolino

The objective of this study is to jointly analyze the data rate and electromagnetic field (EMF) exposure in urban environments. Capitalizing on stochastic geometry (SG), a network level analysis is performed by modelling these environments…

Signal Processing · Electrical Eng. & Systems 2023-01-27 Charles Wiame , Simon Demey , Luc Vandendorpe , Philippe De Doncker , Claude Oestges

We present unresolved single stellar population synthesis models in the near-infrared (NIR) range. The extension to the NIR is important for the study of early-type galaxies, since these galaxies are predominantly old and therefore emit…

Astrophysics of Galaxies · Physics 2015-10-21 S. Meneses-Goytia , R. F. Peletier , S. C. Trager , A. Vazdekis

We present mid-infrared (MIR) observations, made with the TIMMI2 camera on the ESO 3.6 m telescope, toward 14 young massive star-forming regions. All regions were imaged in the N band, and nine in the Q band, with an angular resolution of ~…

Astrophysics of Galaxies · Physics 2011-02-11 Esteban F. E. Morales , Diego Mardones , Guido Garay , Kate J. Brooks , Jaime E. Pineda

Atmospheric and evolutionary models for low-mass stars rely on approximate assumptions on the physics of the stellar structure and the atmospheric radiative transfer. This leads to biased theoretical predictions on the photospheric Spectral…

Solar and Stellar Astrophysics · Physics 2013-02-01 Gaetano Scandariato , Nicola Da Rio , Massimo Robberto , Isabella Pagano , Keivan Stassun

We calculate the absolute intensity and anisotropies of the Lyman-alpha radiation field present during the epoch of reionization. We consider emission from both galaxies and the intergalactic medium (IGM) and take into account the main…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Marta B. Silva , Mario G. Santos , Yan Gong , Asantha Cooray , James Bock

We carry out 1D hydrodynamical simulations of the evolution of a spherically symmetric supernova remnant (SNR) subject to an external radiation field (ERF) that influences the cooling and heating rates of the gas. We consider homogeneous…

Astrophysics of Galaxies · Physics 2021-07-12 Mario Romero , Yago Ascasibar , Jan Palouš , Richard Wünsch , Mercedes Mollá