Zobrazeno 1 - 10
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pro vyhledávání: '"Roques, J."'
The question of the origin of the hard X-ray/soft gamma-ray emission in Centaurus A (Cen A) persists despite decades of observations. Results from X-ray instruments suggest a jet origin since the implied electron temperature (kT_e) would cause pair p
Externí odkaz:
http://arxiv.org/abs/2310.01161
Publikováno v:
The Astrophysical Journal, Volume 935, Issue 1, id.25, 8 pp. 2022
On 2 September 2017 MAXI J1535-571 went into outburst and peaked at ~5 Crab in the 2-20 keV energy range. Early in the flare INTEGRAL performed Target of Opportunity pointings and monitored the source as it transitioned from the hard state to the sof
Externí odkaz:
http://arxiv.org/abs/2302.05346
Autor:
Gotz, D, Gouiffes, C., Rodriguez, J., Laurent, P., Jourdain, E., Roques, J. P., Mereghetti, S., Lutovinonv, S., Savchenko, V., Hanlon, L., Martin-Carrillo, A., Moran, P.
Publikováno v:
New Astronomy Reviews, Volume 87, December 2019, 101537
In this paper we first review the results obtained by the INTEGRAL mission in the domain of Gamma-Ray Bursts (GRBs), thanks to the INTEGRAL Burst Alert System, which is able to deliver near real-time alerts for GRBs detected within the IBIS field of
Externí odkaz:
http://arxiv.org/abs/2112.07644
Autor:
Motta, S. E., Rodriguez, J., Jourdain, E., Del Santo, M., Belanger, G., Cangemi, F., Grinberg, V., Kajava, J. J. E., Kuulkers, E., Malzac, J., Pottschmidt, K., Roques, J. P., Sanchez-Fernandez, C., Wilms, J.
INTEGRAL is an ESA mission in fundamental astrophysics that was launched in October 2002. It has been in orbit for over 18 years, during which it has been observing the high-energy sky with a set of instruments specifically designed to probe the emis
Externí odkaz:
http://arxiv.org/abs/2105.05547
Autor:
Ferrigno, C., Savchenko, V., Coleiro, A., Panessa, F., Bazzano, A., Bozzo, E., Chenevez, J., Domingo, A., Doyle, M., Goldwurm, A., Goetz, D., Jourdain, E., von Kienlin, A., Kuulkers, E., Mereghetti, S., Martin-Carrillo, A., Natalucci, L., Onori, F., Rodi, J., Roques, J. Pierre, Sanchez-Fernandez, C., Ubertini, P.
At the time of defining the science objectives of the INTernational Gamma-Ray Astrophysics Laboratory (INTEGRAL), such a rapid and spectacular development of multi-messenger astronomy could not have been predicted, with new impulsive phenomena becomi
Externí odkaz:
http://arxiv.org/abs/2011.12124
Autor:
Jourdain, E., Roques, J. P.
The Crab Nebula is used by many instruments as a calibration source, in particular at high energy, where it is one of the brightest celestial object. The spectrometer INTEGRAL SPI (20 keV - 8 MeV), in operation since October 2002, offers a large data
Externí odkaz:
http://arxiv.org/abs/2007.11519
Autor:
Bassi, T., Malzac, J., Del Santo, M., Jourdain, E., Roques, J. -P., D'Aì, A., Miller-Jones, J. C. A., Belmont, R., Motta, S. E., Segreto, A., Testa, V., Casella, P.
The black hole transient GRS 1716-249 was monitored from the radio to the gamma-ray band during its 2016-2017 outburst. This paper focuses on the Spectral Energy Distribution (SED) obtained in 2017 February-March, when GRS 1716-249 was in a bright ha
Externí odkaz:
http://arxiv.org/abs/2003.07822
Autor:
Jourdain, E., Roques, J. P.
We have analyzed 16 years of observations dedicated to the Crab (pulsar + nebula) with the INTEGRAL SPI instrument to investigate its polarization properties. We find that the source presents a substantially polarized emission (PF = 24%) in the hard
Externí odkaz:
http://arxiv.org/abs/1907.09341
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Autor:
Mereghetti, S., Savchenko, V., Ferrigno, C., Kuulkers, E., Ubertini, P., Bazzano, A., Bozzo, E., Brandt, S., Chenevez, J., Courvoisier, T. J. -L., Diehl, R., Hanlon, L., von Kienlin, A., Laurent, P., Lebrun, F., Lutovinov, A., Martin-Carrillo, A., Natalucci, L., Roques, J. P., Siegert, T., Sunyaev, R.
Thanks to its high orbit and a set of complementary detectors providing continuous coverage of the whole sky, the INTEGRAL satellite has unique capabilities for the identification and study of the electromagnetic radiation associated to gravitational
Externí odkaz:
http://arxiv.org/abs/1801.05359