Výsledky vyhledávání - "Salvesen, G."

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Quasi-periodic X-ray eruptions years after a nearby tidal disruption event

Autor: Nicholl, M., Pasham, D. R., Mummery, A., Guolo, M., Gendreau, K., Dewangan, G. C., Ferrara, E. C., Remillard, R., Bonnerot, C., Chakraborty, J., Hajela, A., Dhillon, V. S., Gillan, A. F., Greenwood, J., Huber, M. E., Janiuk, A., Salvesen, G., van Velzen, S., Aamer, A., Alexander, K. D., Angus, C. R., Arzoumanian, Z., Auchettl, K., Berger, E., de Boer, T., Cendes, Y., Chambers, K. C., Chen, T. -W., Chornock, R., Fulton, M. D., Gao, H., Gillanders, J. H., Gomez, S., Gompertz, B. P., Fabian, A. C., Herman, J., Ingram, A., Kara, E., Laskar, T., Lawrence, A., Lin, C. -C., Lowe, T. B., Magnier, E. A., Margutti, R., McGee, S. L., Minguez, P., Moore, T., Nathan, E., Oates, S. R., Patra, K. C., Ramsden, P., Ravi, V., Ridley, E. J., Sheng, X., Smartt, S. J., Smith, K. W., Srivastav, S., Stein, R., Stevance, H. F., Turner, S. G. D., Wainscoat, R. J., Weston, J., Wevers, T., Young, D. R.

Quasi-periodic Eruptions (QPEs) are luminous bursts of soft X-rays from the nuclei of galaxies, repeating on timescales of hours to weeks. The mechanism behind these rare systems is uncertain, but most theories involve accretion disks around supermas

Externí odkaz: http://arxiv.org/abs/2409.02181

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A Deep XMM-Newton Observation of the Quasar 3C 287

Autor: Salvesen, G., Miller, J. M., Cackett, E., Siemiginowska, A.

Publikováno v: Astrophys.J.692:753-757,2009

We report on an XMM-Newton observation of the z=1.055 quasar and Giga-hertz Peaked Spectrum (GPS) source 3C 287. Our 62.3 ksec observation provides an exceptional X-ray view of a prominent member of this important subclass of active galactic nuclei (

Externí odkaz: http://arxiv.org/abs/0809.4691

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