Zobrazeno 1 - 10
of 724
pro vyhledávání: '"Pignataro, G"'
Autor:
Pignataro, G. V., Bonafede, A., Bernardi, G., Balboni, M., Vazza, F., van Weeren, R. J., Ubertosi, F., Cassano, R., Brunetti, G., Botteon, A., Venturi, T., Akamatsu, H., Drabent, A., Hoeft, M.
The clusters Abell 2061 and Abell 2067 in the Corona Borealis supercluster have been studied at different radio frequencies and are both known to host diffuse radio emission. The aim of this work is to investigate the radio emission in between them,
Externí odkaz:
http://arxiv.org/abs/2409.15412
Autor:
Pignataro, G. V., Bonafede, A., Bernardi, G., de Gasperin, F., Brunetti, G., Pasini, T., Vazza, F., Biava, N., de Jong, J. M. G. H. J., Cassano, R., Botteon, A., Brüggen, M., Röttgering, H. J. A., van Weeren, R. J., Shimwell, T. W.
Publikováno v:
A&A 685, L10 (2024)
Recent low-frequency radio observations at 140 MHz discovered a 3 Mpc-long bridge of diffuse emission connecting the galaxy clusters Abell 0399 and Abell 0401. We present follow-up observations at 60 MHz to constrain the spectral index of the bridge,
Externí odkaz:
http://arxiv.org/abs/2405.00772
The main purpose of this work is to investigate the properties of the non-thermal emission in the interacting clusters pairs Abell 0399-Abell 0401 and Abell 21-PSZ2 G114.9, found in an interacting state. In both cases their connection along a filamen
Externí odkaz:
http://arxiv.org/abs/2311.09287
Autor:
Hoang, D. N., Brüggen, M., Botteon, A., Shimwell, T. W., Zhang, X., Bonafede, A., Bruno, L., Bonnassieux, E., Cassano, R., Cuciti, V., Drabent, A., de Gasperin, F., Gastaldello, F., Di Gennaro, G., Hoeft, M., Jones, A., Pignataro, G. V., Röttgering, H. J. A., Simionescu, A., van Weeren, R. J.
Publikováno v:
A&A 665, A60 (2022)
The presence of large-scale magnetic fields and ultra-relativistic electrons in the intra-cluster medium (ICM) is confirmed through the detection of diffuse radio synchrotron sources, so-called radio halos and relics. Due to their steep-spectrum natu
Externí odkaz:
http://arxiv.org/abs/2206.04666
Publikováno v:
In Economics and Human Biology August 2024 54
Publikováno v:
In Socio-Economic Planning Sciences June 2024 93
Autor:
Pignataro, G. V., Bergamini, P., Meneghetti, M., Vanzella, E., Calura, F., Grillo, C., Rosati, P., Angora, G., Brammer, G., Caminha, G. B., Mercurio, A., Nonino, M., Tozzi, P.
Publikováno v:
A&A 655, A81 (2021)
We present a strong lensing analysis of the galaxy cluster PSZ1 G311.65-18.48 (z=0.443) using multi-band observations with Hubble Space Telescope, complemented with VLT/MUSE spectroscopic data. The MUSE observations provide redshift estimates for the
Externí odkaz:
http://arxiv.org/abs/2106.10286
Autor:
Vanzella, E., Castellano, M., Bergamini, P., Meneghetti, M., Zanella, A., Calura, F., Caminha, G. B., Rosati, P., Cupani, G., Mestric, U., Brammer, G., Tozzi, P., Mercurio, A., Grillo, C., Sani, E., Cristiani, S., Nonino, M., Merlin, E., Pignataro, G. V.
Publikováno v:
A&A 659, A2 (2022)
We investigate the strongly lensed (\mu x10-100) Lyman continuum (LyC) galaxy, dubbed Sunburst, at z=2.37, taking advantage of a new accurate model of the lens. A characterization of the intrinsic (delensed) properties of the galaxy yields a size of
Externí odkaz:
http://arxiv.org/abs/2106.10280
Akademický článek
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Publikováno v:
In Social Science & Medicine October 2019 239