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Autor Nievas Rosillo, Mireia |
Documentos disponibles escritos por este autor (61)
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Nievas Rosillo, Mireia | 2013-06-28All-sky cameras have proven to be powerful tools to continuously monitoring the sky in a wide range of fields in both Astrophysics and Meteorology. In this work, we have developed a complete software pipeline to analyze the night CCD images obta[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Elsevier B.V. | 2018-12Clusters of galaxies are the largest known gravitationally bound structures in the Universe, with masses around 10(15)M circle dot, most of it in the form of dark matter. The ground-based Imaging Atmospheric Cherenkov Telescope MAGIC made a deep[...]texto impreso
Barrio Uña, Juan Abel ; Bonnefoy, Simon ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Fidaldo, David Friedrich Contreras ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Ahnen, M.L. ; Ansoldi, S. ; otros, ... | IOP publishing ltd | 2017-09Spontaneous breaking of Lorentz symmetry at energies on the order of the Planck energy or lower is predicted by many quantum gravity theories, implying non-trivial dispersion relations for the photon in vacuum. Consequently, gamma-rays of differ[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca Gonzáez, Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Oxford Univ Press | 2018-12Fast radio bursts (FRBs) are bright flashes observed typically at GHz frequencies with millisecond duration, whose origin is likely extragalactic. Their nature remains mysterious, motivating searches for counterparts at other wavelengths. FRB 12[...]texto impreso
Barrio Uña, Juan Abel ; Bonnefoy, Simon Francois Albert ; Contreras González, José Luis ; Domínguez-Adame Acosta, Francisco ; Fidalgo Carreto, David ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Nievas Rosillo, Mireia | EDP Sciencies | 2018-04-09Spontaneous breaking of Lorentz symmetry at energies on the order of the Planck energy or lower is predicted by many quantum gravity theories, implying non-trivial dispersion relations for the photon in vacuum. Consequently, gamma-rays of differ[...]texto impreso
Barrio Uña, Juan Abel ; Bonnefoy, Simon Francois Albert ; Contreras González, José Luis ; Domínguez-Adame Acosta, Francisco ; Fidalgo, David Friedrich Carreto ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Nievas Rosillo, Mireia | Wiley | 2017-12It is widely believed that the bulk of the Galactic cosmic rays are accelerated in supernova remnants (SNRs). However, no observational evidence of the presence of particles of PeV energies in SNRs has yet been found. The young historical SNR Ca[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Satalecka, Konstanzja ; otros, ... | EDP Sciencies | 2016-05Clusters of galaxies are expected to be reservoirs of cosmic rays (CRs) that should produce diffuse ?-ray emission due to their hadronic interactions with the intra-cluster medium. The nearby Perseus cool-core cluster, identified as the most pro[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Wiley | 2019-04A population of globular clusters (GCs) has been recently established by the Fermi-LAT telescope as a new class of GeV gamma-ray sources. Leptons accelerated to TeV energies, in the inner magnetospheres of MSPs or in their wind regions, should p[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carretero Fidalgo, David Friedrich ; Fonseca González, Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | EDP SCIENCES S A | 2018-11-20Context. PKS 1510-089 is a flat spectrum radio quasar strongly variable in the optical and GeV range. To date, very high-energy (VHE, > 100 GeV) emission has been observed from this source either during long high states of optical and GeV activi[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Victoria ; López Moya, Marcos ; Nievas Rosillo, Mireia ; otros, ... | EDP SCIENCES S A | 2018-09-13Aims. The very high energy (VHE greater than or similar to 100 GeV) gamma-ray MAGIC observations of the blazar S4 0954+65, were triggered by an exceptionally high flux state of emission in the optical. This blazar has a disputed redshift of z = [...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia | EDP Sciencies | 2016-11Context. QSO B0218+357 is a gravitationally lensed blazar located at a redshift of 0.944. The gravitational lensing splits the emitted radiation into two components that are spatially indistinguishable by gamma-ray instruments, but separated by [...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Wiley | 2019-03SNR G24.7+0.6 is a 9.5 kyrs radio and gamma-ray supernova remnant evolving in a dense medium. In the GeV regime, SNR G24.7+0.6 (3FHL J1834.1-0706e/FGFS J1834.1-0706) shows a hard spectral index (Gamma similar to 2) up to 200 GeV, which makes it [...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | Wiley | 2019-03SNR G24.7+0.6 is a 9.5 kyrs radio and gamma-ray supernova remnant evolving in a dense medium. In the GeV regime, SNR G24.7+0.6 (3FHL J1834.1-0706e/FGFS J1834.1-0706) shows a hard spectral index (Gamma similar to 2) up to 200 GeV, which makes it [...]texto impreso
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The so called Li&Ma formula is still the most frequently used method for estimating the significance of observations carried out by Imaging Atmospheric Cherenkov Telescopes. In this work a straightforward extension of the method for point source[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; otros, ... | EDP Sciencies | 2018-12-14Aims. We aim to characterize the multiwavelength emission from Markarian 501 (Mrk 501), quantify the energy-dependent variability, study the potential multiband correlations, and describe the temporal evolution of the broadband emission within l[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Mª Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | EDP Sciencies | 2019-03-29The mechanisms producing fast variability of the gamma-ray emission in active galactic nuclei (AGNs) are under debate. The MAGIC telescopes detected a fast, very-high-energy (VHE, E > 100 GeV) gamma-ray flare from BL Lacertae on 2015 June 15. T[...]texto impreso
Barrio Uña, Juan Abel ; Bonnefoy, Simon Francois Albert ; Contreras González, José Luis ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Nievas Rosillo, Mireia | EDP Sciencies | 2017-07Context. The extragalactic very-high-energy gamma-ray sky is rich in blazars. These are jetted active galactic nuclei that are viewed at a small angle to the line-of-sight. Only a handful of objects viewed at a larger angle are so far known to e[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Satalecka, Konstanzja ; Scapin, Valeria ; otros, ... | American Astronomical Society | 2015-10-10We report on simultaneous broadband observations of the TeV-emitting blazar Markarian 501 between 2013 April 1 and August 10, including the first detailed characterization of the synchrotron peak with Swift and NuSTAR. During the campaign, the n[...]texto impreso
Nievas Rosillo, Mireia | 2012-07-02Las imágenes de todo el cielo han demostrado ser una potente herramienta para determinar la calidad astronómica del cielo, y su uso se está extendiendo hoy en día tanto ubicaciones de futuros observatorios como en los ya existentes. El observato[...]texto impreso
Barrio Uña, Juan Abel ; Contreras González, José Luis ; Domínguez Díaz, Alberto ; Carreto Fidalgo, David Friedrich ; Fonseca González, Victoria ; Hoang, Kim Dinh ; López Moya, Marcos ; Nievas Rosillo, Mireia ; Peñil del Campo, Pablo ; Saha, Lab ; otros, ... | EDP SCIENCES S A | 2018-09-25We report on the detection of flaring activity from the Fanaroff-Riley I radio galaxy NGC 1275 in very-high-energy (VHE, E> 100 GeV) gamma rays with the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescopes. The observations were perform[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; Satalecka, Konstanzja ; Scapin, Valeria ; otros, ... | EDP Sciencies | 2016-07Context. 1ES 1011+496 (z = 0.212) was discovered in very high-energy (VHE, E > 100 GeV) ? rays with MAGIC in 2007. The absence of simultaneous data at lower energies led to an incomplete characterization of the broadband spectral energy distribu[...]texto impreso
Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Bonnefoy, Simon Francois Albert ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nievas Rosillo, Mireia ; otros, ... | Wiley | 2016-07-01The MAGIC (Major Atmospheric Gamma-ray Imaging Cherenkov) telescopes observed the BL Lac object H1722+119 (redshift unknown) for six consecutive nights between 2013 May 17 and 22, for a total of 12.5 h. The observations were triggered by high ac[...]texto impreso
The search for detection of ?-rays from distant AGNs by Imaging Atmospheric Cherenkov Telescopes (IACTs) is challenging at high redshifts, not only because of lower flux due to the distance of the source, but also due to the consequent absorptio[...]texto impreso
Zamorano Calvo, Jaime ; Sánchez de Miguel, Alejandro ; Nievas Rosillo, Mireia ; Tapia Ayuga, Carlos ; Ocaña González, Francisco ; Izquierdo Gómez, Jaime ; Gallego Maestro, Jesús ; Pascual Ramírez, Sergio | 2015-07-15The SQM network of the Spanish Light Pollution Research collaboration (http://guaix.fis.ucm.es/splpr/SQM-REECL) is growing with the help of amateur astronomers and interested citizens. Up to now there are 18 stations. SQM photometers provide mea[...]