Výsledky vyhledávání - "Nicola Malavasi"

Akademický článek

Nature versus Nurture: Revisiting the Environmental Impact on Star Formation Activities of Galaxies

Autor: Ke Shi, Nicola Malavasi, Jun Toshikawa, Xianzhong Zheng

Publikováno v: The Astrophysical Journal, Vol 961, Iss 1, p 39 (2024)

We present a systematic study of the environmental impact on star formation activities of galaxies using a mass-complete sample of ∼170k galaxies at z < 4 from the latest COSMOS2020 catalog. At z < 1, we find that the mean star formation rate (SFR)

Externí odkaz: https://doaj.org/article/32c1af9ca72e430eb795bb8e1359d255

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Evaluating Lya Emission as a Tracer of the Largest Cosmic Structure at z~2.47

Autor: Yun Huang, Kyoung-Soo Lee, Olga Cucciati, Brian C. Lemaux, Marcin Sawicki, Nicola Malavasi, Vandana Ramakrishnan, Rui Xue, Letizia P. Cassara, Yi-Kuan Chiang, Arjun Dey, Stephen D. J. Gwyn, Nimish Hathi, Laura Pentericci, Moire K. M. Prescott, Gianni Zamorani

The discovery and spectroscopic confirmation of Hyperion, a protosupercluster at z ∼ 2.47, provides an unprecedented opportunity to study distant galaxies in the context of their large-scale environment. We carry out deep narrowband imaging of a �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab6e2881f12334a77518defa4b5562d2

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On the relative effect of nodes and filaments of the cosmic web on the quenching of galaxies and the orientation of their spin

Autor: Daniela Galárraga-Espinosa, Mathieu Langer, Nabila Aghanim, C. Gouin, Nicola Malavasi

Filaments and clusters of the cosmic web have an impact on the properties of galaxies, switching off their star-formation, contributing to the build-up of their stellar mass, and influencing the acquisition of their angular momentum. In this work we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f5dcd337bc45e1335cf9309e7fa4a7f
https://hal.archives-ouvertes.fr/hal-03378075

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The Role of Dust, UV Luminosity and Large-scale Environment on the Escape of Lya Photons: A Case Study of a Protocluster field at z = 3.1

Autor: Rui Xue, Ke Shi, Yun Huang, Kyoung-Soo Lee, Nicola Malavasi, Arjun Dey

We present a detailed characterization of the Lya properties for 93 Lya emitters (LAEs) at z~3.1 selected from the D1 field of the Canada-France-Hawaii-Telescope Legacy Survey, including 24 members of a massive protocluster. The median-stacked Lya im

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09595d9ef2d37c773dbb83292830aa6c
http://arxiv.org/abs/2104.11354

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First detection of stacked X-ray emission from cosmic web filaments

Autor: Alexander Kolodzig, Nabila Aghanim, Marian Douspis, Hideki Tanimura, Nicola Malavasi

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 643, pp.L2. ⟨10.1051/0004-6361/202038521⟩
Astronomy & Astrophysics

We report the first statistical detection of X-ray emission from cosmic web filaments in ROSAT data. We selected 15,165 filaments at 0.2
Comment: 7 pages, 8 figures, published by A&A as Letters

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba2388f2beef794a7aefc7acb9a82b57
https://hal.archives-ouvertes.fr/hal-02993736

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On the slow quenching of ℳ* galaxies: heavily obscured AGNs clarify the picture

Autor: Nicola Malavasi, Shruti Tripathi, Stéphane Arnouts, Thibaud Moutard, Marcin Sawicki

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2020, 495 (4), pp.4237-4247. ⟨10.1093/mnras/staa1434⟩
Monthly Notices of the Royal Astronomical Society, 2020, 495 (4), pp.4237-4247. ⟨10.1093/mnras/staa1434⟩

We investigate the connection between X-ray and radio-loud AGNs and the physical properties of their evolved and massive host galaxies, focussing on the mass-related quenching channel followed by $\mathcal{M}^\star (\simeq 10^{10.6} M_\odot)$ galaxie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f4f3933f127ce2c688539e62f288492
https://hal-cnrs.archives-ouvertes.fr/hal-03100524

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Populations of filaments from the distribution of galaxies in numerical simulations

Autor: Nicola Malavasi, Nabila Aghanim, Mathieu Langer, C. Gouin, Daniela Galárraga-Espinosa

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 641, pp.A173. ⟨10.1051/0004-6361/202037986⟩
Astronomy & Astrophysics

We present a statistical study of the filamentary structures of the cosmic web in the large hydro-dynamical simulations Illustris-TNG, Illustris, and Magneticum at redshift z=0. We focus on the radial distribution of the galaxy density around filamen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4c9aeb4f2537468fa3d4d70b56dd716
https://hal.archives-ouvertes.fr/hal-02542826

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Like a spider in its web: a study of the Large Scale Structure around the Coma cluster

Autor: Hideki Tanimura, V. Bonjean, Marian Douspis, Nabila Aghanim, Nicola Malavasi

Publikováno v: Astron.Astrophys.
Astron.Astrophys., 2020, 634, pp.A30. ⟨10.1051/0004-6361/201936629⟩
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 634, pp.A30. ⟨10.1051/0004-6361/201936629⟩

The Cosmic Web is a complex network of filaments, walls and voids that represent the largest structures in the Universe. In this network, which is the direct result of structure formation, galaxy clusters occupy central positions as the nodes, connec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2bf5b3bc2a8622204073b4d360f8a25
https://hal.archives-ouvertes.fr/hal-02410547

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On the fast quenching of young low-mass galaxies up to z ∼ 0.6: new spotlight on the lead role of environment

Autor: Thibaud Moutard, C. Adami, Nicola Malavasi, Stéphane Arnouts, Marcin Sawicki, Anneya Golob, Jean Coupon, Olivier Ilbert

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2018, 479 (2), pp.2147-2160. ⟨10.1093/mnras/sty1543⟩
Monthly Notices of the Royal Astronomical Society, 2018, 479 (2), pp.2147-2160. ⟨10.1093/mnras/sty1543⟩

We investigate the connection between environment and the different quenching channels that galaxies are prone to follow in the rest-frame NUVrK colour diagram, as identified by Moutard et al. (2016b). Namely, the fast quenching channel followed by $

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28d459e1d86158c53e069d0365d4df6e
https://doi.org/10.1093/mnras/sty1543

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