Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Jetha, N. N."'
We study Active Galactic Nucleus (AGN) activity in the fossil galaxy cluster, RX J1416.4+2315. Radio observations were carried out using Giant Metrewave Radio Telescope (GMRT) at two frequencies, 1420 MHz and 610 MHz. A weak radio lobe that extends f
Externí odkaz:
http://arxiv.org/abs/1509.08726
Autor:
Miraghaei, H., Khosroshahi, H. G., Klöckner, H. -R., Ponman, T. J., Jetha, N. N., Raychaudhury, S.
We study intergalactic medium (IGM) heating in a sample of five fossil galaxy groups by using their radio properties at 610 MHz and 1.4 GHz. The power by radio jets introducing mechanical heating for the sampled objects is not sufficient enough to su
Externí odkaz:
http://arxiv.org/abs/1407.0759
Autor:
Culverhouse, T. L., Bonamente, M., Bulbul, E., Carlstrom, J. E., Gralla, M. B., Greer, C., Hasler, N., Hawkins, D., Hennessy, R., Jetha, N. N., Joy, M., Lamb, J. W., Leitch, E. M., Marrone, D. P., Miller, A., Mroczkowski, T., Muchovej, S., Pryke, C., Sharp, M., Woody, D., Andreon, S., Maughan, B., Stanford, S. A.
We present gas constraints from Sunyaev-Zel'dovich (SZ) effect measurements in a sample of eleven X-ray and infrared (IR) selected galaxy clusters at z >=1, using data from the Sunyaev-Zel'dovich Array (SZA). The cylindrically integrated Compton-y pa
Externí odkaz:
http://arxiv.org/abs/1007.2853
The nearby cluster Abell 194 hosts two luminous, distorted radio galaxies. Both reside within the cluster's core region, being separated in projection by only 100 kpc. It is often suggested that tailed radio galaxies such as these reside in clusters
Externí odkaz:
http://arxiv.org/abs/0709.2133
We present gas temperature, density, entropy and cooling time profiles for the cores of a sample of 15 galaxy groups observed with {\it Chandra}. We find that the entropy profiles follow a power-law profile down to very small fractions of $R_{500}$.
Externí odkaz:
http://arxiv.org/abs/astro-ph/0612350
Publikováno v:
Mon.Not.Roy.Astron.Soc. 358 (2005) 1394-1404
We present Chandra and VLA observations of two galaxy clusters, Abell 160 and Abell 2462, whose brightest cluster galaxies (BCGs) host wide angle tailed radio galaxies (WATs). We search for evidence of interactions between the radio emission and the
Externí odkaz:
http://arxiv.org/abs/astro-ph/0501432
Publikováno v:
AIP Conference Proceedings; Jun2013, Vol. 1539 Issue 1, p199-202, 4p, 3 Graphs
Publikováno v:
AIP Conference Proceedings; Jun2013, Vol. 1539 Issue 1, p315-318, 4p, 2 Graphs
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