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DeepIMPACT SIGNED

Deep Investigation on Molecular Processes At early Cosmic Times

Total Cost €

EC-Contrib. €

Partnership

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DeepIMPACT project word cloud

Explore the words cloud of the DeepIMPACT project. It provides you a very rough idea of what is the project "DeepIMPACT" about.

thought distant luminous holes breakthrough quantify medium time effect emission interstellar star supermassive form ray black observational physical normal model chemical astronomy nuclei sea lbgs epochs few giant sources dark bulk faint heavier neutral got representative lae candidates galactic period clouds polluted dramatic epoch uv young detected rate rates blanketing helium objects reionization galaxies ultraviolet universe break puzzling emitters molecular agn completely reionized follow extremely clumpy population alpha lbg gyr discovery pivotal cosmic continuum luminosities line hydrogen stars ones illuminated regards gmcs quite fairly clues lyman mass galaxy formed searching characterizing onto laes age extragalactic gas radiative eor accretion active stellar signature evolution structure ing photons

Project "DeepIMPACT" data sheet

The following table provides information about the project.

Coordinator	UNIVERSITEIT LEIDEN Organization address address: RAPENBURG 70 city: LEIDEN postcode: 2311 EZ website: www.universiteitleiden.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Netherlands [NL]
Total cost	165˙598 €
EC max contribution	165˙598 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2016
Funding Scheme	MSCA-IF-EF-ST
Starting year	2018
Duration (year-month-day)	from 2018-02-01 to 2020-01-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	UNIVERSITEIT LEIDEN UNIVERSITEIT LEIDEN Organization address address: RAPENBURG 70 city: LEIDEN postcode: 2311 EZ website: www.universiteitleiden.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (LEIDEN)	coordinator	165˙598.00

Map

Project objective

The discovery of galaxies formed when the Universe was less than 1 Gyr old has been a major breakthrough of extragalactic astronomy. During this period, called Epoch of Reionization (EoR), the Universe experienced a dramatic change: from being a dark “sea” of neutral hydrogen and helium, it got completely reionized and polluted with elements heavier than helium. Thus, characterizing the bulk of galaxy population at these early epochs is pivotal because of their strong impact on the cosmic evolution. The most distant galaxies have been detected searching for their Lyman-α emission (Lyman Alpha Emitters; LAEs), and/or for the “step”, introduced by the blanketing effect of neutral hydrogen into their UV continuum emission (Lyman Break Galaxies; LBGs). LAEs/LBGs are quite “normal” objects, therefore they are thought to be fairly representative of the bulk of galaxies at the end of the EoR. Our knowledge about these sources regards their stellar component (star formation rates, stellar age and mass). However, we have few clues about their interstellar medium, the properties of the giant molecular clouds (GMCs) where stars form, and, most importantly, the possible presence of faint Active Galactic Nuclei (AGN). So far only extremely luminous ones, produced by gas accretion onto supermassive black holes whose formation is puzzling, have been detected during the EoR. I propose to model chemical, physical, and radiative processes in GMCs illuminated by both young stars and AGN. The aim is to quantify: (i) the impact of far-ultraviolet and X- ray photons on the clumpy structure of GMCs, (ii) the resulting time evolution of the line luminosities from GMCs (iii) whether the AGN signature can be observed in the molecular emission and (iv) which are the best LAE/LBG candidates (in term of star formation rate and age of stellar population) for observational follow up targeting the molecular gas.

Publications

List of publications.
year	authors and title	journal	last update
2019	A Ferrara, L Vallini, A Pallottini, S Gallerani, S Carniani, M Kohandel, D Decataldo, C Behrens A physical model for [C ii] line emission from galaxies published pages: 1-12, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2031	Monthly Notices of the Royal Astronomical Society 489/1	2020-01-29
2019	S Carniani, S Gallerani, L Vallini, A Pallottini, M Tazzari, A Ferrara, R Maiolino, C Cicone, C Feruglio, R Neri, V D’Odorico, R Wang, J Li Constraints on high-J CO emission lines in z ∼ 6 quasars published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz2410	Monthly Notices of the Royal Astronomical Society	2020-01-29
2019	L Vallini, A G G M Tielens, A Pallottini, S Gallerani, C Gruppioni, S Carniani, F Pozzi, M Talia Impact of X-rays on CO emission from high-z galaxies published pages: 4502-4514, ISSN: 0035-8711, DOI: 10.1093/mnras/stz2837	Monthly Notices of the Royal Astronomical Society 490/4	2020-01-29
2019	M Kohandel, A Pallottini, A Ferrara, A Zanella, C Behrens, S Carniani, S Gallerani, L Vallini Kinematics of z ≥ 6 galaxies from [C ii] line emission published pages: 3007-3020, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1486	Monthly Notices of the Royal Astronomical Society 487/3	2020-01-29
2019	J. Matthee, D. Sobral, L. A. Boogaard, H. Röttgering, L. Vallini, A. Ferrara, A. Paulino-Afonso, F. Boone, D. Schaerer, B. Mobasher Resolved UV and [C ii] Structures of Luminous Galaxies within the Epoch of Reionization published pages: 124, ISSN: 1538-4357, DOI: 10.3847/1538-4357/ab2f81	The Astrophysical Journal 881/2	2020-01-29
2019	D Decataldo, A Pallottini, A Ferrara, L Vallini, S Gallerani Photoevaporation of Jeans-unstable molecular clumps published pages: 3377-3391, ISSN: 0035-8711, DOI: 10.1093/mnras/stz1527	Monthly Notices of the Royal Astronomical Society 487/3	2020-01-29
2020	G C Jones, M Béthermin, Y Fudamoto, M Ginolfi, P Capak, P Cassata, A Faisst, O Le Fèvre, D Schaerer, J D Silverman, Lin Yan, S Bardelli, M Boquien, A Cimatti, M Dessauges-Zavadsky, M Giavalisco, C Gruppioni, E Ibar, Y Khusanova, A M Koekemoer, B C Lemaux, F Loiacono, R Maiolino, P A Oesch, F Pozzi, D Riechers, G Rodighiero, M Talia, L Vallini, D Vergani, G Zamorani, E Zucca The ALPINE-ALMA [C ii] survey: a triple merger at z ∼ 4.56 published pages: L18-L23, ISSN: 1745-3933, DOI: 10.1093/mnrasl/slz154	Monthly Notices of the Royal Astronomical Society: Letters 491/1	2020-01-29
2018	E. Egami, S. Gallerani, R. Schneider, A. Pallottini, L. Vallini, E. Sobacchi, A. Ferrara, S. Bianchi, M. Bocchio, S. Marassi, L. Armus, L. Spinoglio, A. W. Blain, M. Bradford, D. L. Clements, H. Dannerbauer, J. A. Fernández-Ontiveros, E. González-Alfonso, M. J. Griffin, C. Gruppioni, H. Kaneda, K. Kohno, S. C. Madden, H. Matsuhara, F. Najarro, T. Nakagawa, S. Oliver, K. Omukai, T. Onaka, C. Pearson, I. Perez-Fournon, P. G. Pérez-González, D. Schaerer, D. Scott, S. Serjeant, J. D. Smith, F. F. S. van der Tak, T. Wada, H. Yajima Probing the high-redshift universe with SPICA: Toward the epoch of reionisation and beyond published pages: , ISSN: 1448-6083, DOI: 10.1017/pasa.2018.41	Publications of the Astronomical Society of Australia 35	2019-06-06
2019	C Behrens, A Pallottini, A Ferrara, S Gallerani, L Vallini Ly α emission from galaxies in the Epoch of Reionization published pages: 2197-2209, ISSN: 0035-8711, DOI: 10.1093/mnras/stz980	Monthly Notices of the Royal Astronomical Society 486/2	2019-06-06
2019	A Pallottini, A Ferrara, D Decataldo, S Gallerani, L Vallini, S Carniani, C Behrens, M Kohandel, S Salvadori Deep into the structure of the first galaxies: SERRA views published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/stz1383	Monthly Notices of the Royal Astronomical Society	2019-06-06

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