Discovery of molecular gas fueling galaxy growth in a protocluster at z=1.7

Autor: D'Amato, Q., Gilli, R., Prandoni, I., Vignali, C., Massardi, M., Mignoli, M., Cucciati, O., Morishita, T., Decarli, R., Brusa, M., Calura, F., Balmaverde, B., Chiaberge, M., Liuzzo, E., Nanni, R., Peca, A., Pensabene, A., Tozzi, P., Norman, C.

Based on ALMA Band 3 observations of the CO(2-1) line transition, we report the discovery of three new gas-rich (M_H2 ~ 1.5-4.8 x 10^10 M_sun, SFRs in the range ~5-100 M_sun/yr) galaxies in an overdense region at z=1.7, that already contains eight sp

Externí odkaz: http://arxiv.org/abs/2008.13665

Discovery of a galaxy overdensity around a powerful, heavily obscured FRII radio galaxy at z=1.7: star formation promoted by large-scale AGN feedback?

Autor: Gilli, R., Mignoli, M., Peca, A., Nanni, R., Prandoni, I., Liuzzo, E., D'Amato, Q., Brusa, M., Calura, F., Caminha, G. B., Chiaberge, M., Comastri, A., Cucciati, O., Cusano, F., Grandi, P., Decarli, E., Lanzuisi, G., Mannucci, F., Pinna, E., Tozzi, P., Vanzella, E., Vignali, C., Vito, F., Balmaverde, B., Citro, A., Cappelluti, N., Zamorani, G., Norman, C.

Publikováno v: A&A 632, A26 (2019)

We report the discovery of a galaxy overdensity around a Compton-thick Fanaroff-Riley type II (FRII) radio galaxy at z=1.7 in the deep multiband survey around the z=6.3 QSO SDSS J1030+0524. Based on a 6hr VLT/MUSE and on a 4hr LBT/LUCI observation, w

Externí odkaz: http://arxiv.org/abs/1909.00814

The X-ray properties of z$\sim$6 luminous quasars

Autor: Nanni, R., Vignali, C., Gilli, R., Moretti, A., Brandt, W. N.

We present a systematic analysis of X-ray archival data of all the 29 quasars (QSOs) at $z$ > 5.5 observed so far with Chandra, XMM-Newton and Swift-XRT, including the most-distant quasar ever discovered, ULAS J1120+0641 ($z$ = 7.08). This study allo

Externí odkaz: http://arxiv.org/abs/1704.08693

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Discovery of 24 radio-bright quasars at 4.9 ≤ z ≤ 6.6 using low-frequency radio observations

Autor: Gloudemans, A. J., Duncan, K. J., Saxena, A., Harikane, Y., Hill, G. J., Zeimann, G. R., Rottgering, H. J. A., Yang, D., Best, P. N., Banados, E., Drabent, A., Hardcastle, M. J., Hennawi, J. F., Lansbury, G., Magliocchetti, M., Miley, G. K., Nanni, R., Shimwell, T. W., Smith, D. J. B., Venemans, B. P., Wagenveld, J. D.

Publikováno v: Gloudemans, A J, Duncan, K J, Saxena, A, Harikane, Y, Hill, G J, Zeimann, G R, Rottgering, H J A, Yang, D, Best, P N, Banados, E, Drabent, A, Hardcastle, M J, Hennawi, J F, Lansbury, G, Magliocchetti, M, Miley, G K, Nanni, R, Shimwell, T W, Smith, D J B, Venemans, B P & Wagenveld, J D 2022, ' Discovery of 24 radio-bright quasars at 4.9≤z≤6.6 using low-frequency radio observations ', Astronomy and Astrophysics, vol. 668, A27, pp. 1-19 . https://doi.org/10.1051/0004-6361/202244763
Astronomy & Astrophysics, 668:A27

High redshift quasars ($z>5$) that also shine brightly at radio wavelengths are unique signposts of supermassive black hole activity in the early universe. However, bright radio sources at $z\ge5$ are extremely rare and therefore we have started a ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a11aac14de290730ede182813ceeaceb
https://doi.org/10.1051/0004-6361/202244763