Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Schoenherr G"'
Autor:
Kolesnikov, D. A., Shakura, N. I., Postnov, K. A., Volkov, I. M., Bikmaev, I. F., Irsmambetova, T. R., Staubert, R., Wilms, J., Irtuganov, E., Golyshev, P. Yu., Shugarov, S. Yu., Nikolenko, I. V., Trunkovsky, E. M., Schönherr, G., Schwope, A., Klochkov, D.
The X-ray binary Her X-1 consists of an accreting neutron star and the optical component HZ Her. The 35-day X-ray superorbital variability of this system is known since its discovery in 1972 by the Uhuru satellite and is believed to be caused by forc
Externí odkaz:
http://arxiv.org/abs/2009.07181
Autor:
Schwarm, F. -W., Ballhausen, R., Falkner, S., Schönherr, G., Pottschmidt, K., Wolff, M. T., Becker, P. A., Fürst, F., Marcu-Cheatham, D. M., Hemphill, P. B., Sokolova-Lapa, E., Dauser, T., Klochkov, D., Ferrigno, C., Wilms, J.
Publikováno v:
A&A 601, A99 (2017)
Cyclotron resonant scattering features (CRSFs) are formed by scattering of X-ray photons off quantized plasma electrons in the strong magnetic field (of the order 10^12 G) close to the surface of an accreting X-ray pulsar. The line profiles of CRSFs
Externí odkaz:
http://arxiv.org/abs/1701.07669
Autor:
Schwarm, F. -W., Schoenherr, G., Falkner, S., Pottschmidt, K., Wolff, M. T., Becker, P. A., Sokolova-Lapa, E., Klochkov, D., Ferrigno, C., Fuerst, F., Hemphill, P. B., Marcu-Cheatham, D. M., Dauser, T., Wilms, J.
Publikováno v:
A&A 597, A3 (2017)
Electron cyclotron resonant scattering features (CRSFs) are observed as absorption-like lines in the spectra of X-ray pulsars. A significant fraction of the computing time for Monte Carlo simulations of these quantum mechanical features is spent on t
Externí odkaz:
http://arxiv.org/abs/1609.05030
Autor:
Schönherr, G., Schwarm, F. -W., Falkner, S., Dauser, T., Ferrigno, C., Kühnel, M., Klochkov, D., Kretschmar, P., Becker, P. A., Wolff, M. T., Pottschmidt, K., Falanga, M., Kreykenbohm, I., Fürst, F., Staubert, R., Wilms, J.
Publikováno v:
Astronomy & Astrophysics, Volume 564, L8, 2014
Context: Accretion-powered X-ray pulsars show highly energy-dependent and complex pulse-profile morphologies. Significant deviations from the average pulse profile can appear, in particular close to the cyclotron line energies. These deviations can b
Externí odkaz:
http://arxiv.org/abs/1405.6855
Autor:
Kühnel, M., Müller, S., Kreykenbohm, I., Fürst, F., Pottschmidt, K., Rothschild, R. E., Caballero, I., Grinberg, V., Schönherr, G., Shrader, C., Klochkov, D., Staubert, R., Ferrigno, C., Torrejón, J. -M., Martínez-Núñez, S., Wilms, J.
A study of archival RXTE, Swift, and Suzaku pointed observations of the transient high mass X-ray binary GRO J1008-57 is presented. A new orbital ephemeris based on pulse arrival timing shows times of maximum luminosities during outbursts of GRO J100
Externí odkaz:
http://arxiv.org/abs/1305.2936
Autor:
Martin-Carrillo, A., Kirsch, M. G. F., Caballero, I., Freyberg, M. J., Ibarra, A., Kendziorra, E., Lammers, U., Mukerjee, K., Schönherr, G., Stuhlinger, M., Saxton, R. D., Staubert, R., Suchy, S., Wellbrock, A., Webb, N., Guainazzi, M.
Reliable timing calibration is essential for the accurate comparison of XMM-Newton light curves with those from other observatories, to ultimately use them to derive precise physical quantities. The XMM-Newton timing calibration is based on pulsar an
Externí odkaz:
http://arxiv.org/abs/1204.0978
Autor:
Pottschmidt, K., Suchy, S., Rivers, E., Rothschild, R. E., Marcu, D. M., Barragán, L., Kühnel, M., Fürst, F., Schwarm, F., Kreykenbohm, I., Wilms, J., Schönherr, G., Caballero, I., Camero-Arranz, A., Bodaghee, A., Doroshenko, V., Klochkov, D., Santangelo, A., Staubert, R., Kretschmar, P., Wilson-Hodge, C., Finger, M. H., Terada, Y.
Seventeen accreting neutron star pulsars, mostly high mass X-ray binaries with half of them Be-type transients, are known to exhibit Cyclotron Resonance Scattering Features (CRSFs) in their X-ray spectra, with characteristic line energies from 10 to
Externí odkaz:
http://arxiv.org/abs/1111.1800
Autor:
Suchy, S., Pottschmidt, K., Wilms, J., Kreykenbohm, I., Schönherr, G., Kretschmar, P., McBride, V., Caballero, I., Rothschild, R. E., Grinberg, V.
We present a detailed analysis of observations of the high mass X-ray binary Cen X-3 spanning two consecutive binary orbits performed with the RXTE satellite in early March 1997. The PCA and HEXTE light curves both show a clear reduction in count rat
Externí odkaz:
http://arxiv.org/abs/0711.2752
Autor:
Schönherr, G., Wilms, J., Kretschmar, P., Kreykenbohm, I., Santangelo, A., Rothschild, R. E., Coburn, W., Staubert, R.
(abbreviated version of the abstract) We study the physics of cyclotron line formation in the high-energy spectra of accreting X-ray pulsars using Monte Carlo methods, assuming that the line-forming region is a low-density electron plasma in a sub-cr
Externí odkaz:
http://arxiv.org/abs/0707.2105
Autor:
Caballero, I., Kretschmar, P., Santangelo, A., Staubert, R., Klochkov, D., Camero, A., Ferrigno, C., Finger, M. H., Kreykenbohm, I., McBride, V. A., Pottschmidt, K., Rothschild, R. E., Schoenherr, G., Segreto, A., Suchy, S., Wilms, J ., Wilson, C. A.
In this Letter we present results from INTEGRAL and RXTE observations of the spectral and timing behavior of the High Mass X-ray Binary A 0535+26 during its August/September 2005 normal (type I) outburst with an average flux F(5-100keV)~400mCrab. The
Externí odkaz:
http://arxiv.org/abs/astro-ph/0702536