Výsledky vyhledávání - "Liebmann, A. C."

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Autor: Tsuruta, Sachiko, Kelly, Madeline J., Nomoto, Ken'ichi, Mori, Kanji, Teter, Marcus, Liebmann, Andrew C.

Magnetars, neutron stars thought to be with ultra-strong magnetic fields of $10^{14 - 15}$ G, are observed to be much hotter than ordinary pulsars with $\sim 10^{12}$ G, and additional heating sources are required. One possibility is heating by the a

Externí odkaz: http://arxiv.org/abs/2302.10361

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MXB1659-298: The Fastest Spinning Millisecond Pulsar

Autor: Kuechel, Nicholas, Teter, Marcus, Liebmann, Andrew C., Tsuruta, Sachiko

We do not present the discovery of strong nearly coherent oscillations (NCOs) at 890.44 Hz for the low mass X-ray binary MXB 1659-298. We find that what we are detecting is dead time in the NuSTAR detectors. Instead consider this paper as further evi

Externí odkaz: http://arxiv.org/abs/2010.06638

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Combined Analysis of X-Ray Spectra of NGC 3227

Autor: Newman, J., Tsuruta, S., Liebmann, A. C., Kunieda, H., Haba, Y.

Publikováno v: ApJ, 907, 45N (2021)

The 1.5 Seyfert galaxy NGC 3227 has been observed by several X-ray missions. We carried out a combined analysis of the data obtained by more recent major observations of the source: two observations performed by XMM-Newton in 2000 and 2006 and six ob

Externí odkaz: http://arxiv.org/abs/2003.02211

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X-ray Properties of Hard X-ray Selected AGN

Autor: Liebmann, Andrew C., Fabian, Andrew C., Tsuruta, Sachiko

Using the latest 70 month Swift-BAT catalog we examined hard X-ray selected Seyfert I galaxies which are relatively little known and little studied, and yet potentially promising to test the ionized relativistic reflection model. From this list we ch

Externí odkaz: http://arxiv.org/abs/1412.0735

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