Convection Model of Intergalactic Gas in Rich Clusters of Galaxies

I.K. Rozgacheva; I.B. Kuvshinova

Convection Model of Intergalactic Gas in Rich Clusters of Galaxies

I.K. Rozgacheva¹, I.B. Kuvshinova²

research article Pages: 874-880

¹ к. ф.-м. н., доцент кафедры физики твердого тела факультета физики и информационных технологий МПГУ
² аспирантка кафедры физики твердого тела факультета физики и информационных технологий МПГУ

Keywords: intergalactic medium rich clusters of galaxies convection model of intergalactic medium

Abstract

The heating model of intergalactic gas in rich clusters of galaxies by the infrared irradiation of galaxies in the cluster cores is suggested. This heating mechanism acts for a long time and allows to explain both the presence of hot gas in clusters and the elongated gas clouds, which are observed in the optical images of clusters. Convective cells heated in environment core of cluster, drifting to periphery of cluster and emit thermal energy. This energy is sours of observed x-ray luminosity and heating environment plasma. The gravity forces convective cells to drift to the centre of cluster. Recombination irradiation sells used for the check conformity given model heating intergalactic gas of the observations. The anticorrelation between x-ray luminosity and optical luminosity was discovered. This anticorrelation was conclusion given model. The basic equations of this model are given and their solution is found.

How to cite

Розгачева И.К., Кувшинова И.Б. Конвективная модель межгалактического газа в богатых скоплениях галактик // Нелинейный мир. 2009. № 11. С. 874–880.

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[1] Furusho T., Yamasaki N.Y., Ohashi T. Chandra observation of the core of the galaxy cluster AWM 7 // Astrophys. J. 2003. V. 596. P. 181 - 189.

[2] Soliger A., Tucker W.H. Relationship between X-ray luminosity and velocity dispersion in clusters of galaxies // Astrophys. J. Lett. 1972. V. 175. P. 107 - 111.

[3] Франк-КаменецкийД.А. Физическиепроцессывнутризвезд. М.: Физматгиз. 1959.

[4] Fabian A.C., Nulsen P.E.J. Subsonic accretion of cooling gas in clusters of galaxies // MNRAS. 1977. V. 180. P. 479 - 484.

[5] Böhriuger H., Matsushita K.,Churazov E., et al. The new emerging model for the structure of cooling cores in clusters of galaxies // Astron. and Astrophys. 2002. V. 382. P. 804 - 820.

[6] Forman W., Churazov E., et al. A high angular resolution view of hot gas in clusters, groups and galaxies - mergers, mixing and bubbling // arXiv: astro-ph./0301476, 2003.

[7] Reisenegger A., Miralda-Escudé J., Waxman E. Cooling flows and metallicity gradients in clusters of galaxies // Astrophys. J. Lett. 1996. V. 457. P. 11 - 14.

[8] Forman W., Jones C., Churazov E., et al. Filaments, bubbles, and weak shocks in the gaseous atmosphere of M87 // arXiv:astro-ph/0604583, 2006.

[9] Поздняков Л.А., Соболь Н.М., Сюняев Р.А. // Итоги науки и техники. Астрономия. М.: ВИНИТИ. 1986. Т. 31. С. 267 - 290.

[10] Розгачева И.К., Кувшинова И.Б. // Нелинейный мир. 2009. № 10. С. 740 - 748.