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GASP - Gas stripping phenomena in galaxies

Abstract: The build up of galaxies is mainly driven by the availability of gas that can cool and form new stars. Any physical process that is able to alter the gas content of a galaxy has therefore important consequences for its evolution. The study of processes that can remove gas from galaxies is the subject of GASP (GAs Stripping Phenomena in galaxies), an ESO Large Program I am leading. GASP has obtained integral field spectroscopy (IFS) with MUSE of 114 low-z galaxies with masses in the range 10^9-10^11.5 Msun, hosted in X-ray selected clusters, in groups and filaments. The GASP sample includes the largest existing IFS sample of so- called “jellyfish galaxies” that have long tails of ionised gas, as well as other galaxies in different stages of ram pressure stripping in clusters and galaxies undergoing gas disturbance due to various phenomena in groups and filaments. GASP has the unique capability to combine the power of spatially resolved observations covering galaxy disks, outskirts and surroundings with the virtues of a statistical study of a significant number of galaxies. The MUSE GASP dataset, combined with ALMA, APEX, JVLA, UVIT and HST follow-up programs, form the basis for this ERC program. The goal is to accomplish an unprecedented break-through in our understanding of jellyfish galaxies, ram pressure stripping, gas removal processes in different environments and their consequences for the stellar history of galaxies. This multi faced, coherent program will investigate the physics of the baryonic cycle between the various gas phases (ionised, molecular and neutral) and the star formation under extreme conditions, the connection between ram pressure and AGN activity, the quenching of galaxies undergoing gas removal phenomena, and the physics of such phenomena in clusters, groups and filaments. The GASP ERC program will be a game changer in this field of research: there is no previous similar study, nor there can be a comparable one for quite a long time.

EU emblem GASP has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 833824.

Dettagli tecnici

PI: Bianca Maria Poggianti

Struttura INAF: OA Padova

Bando: ERC Advanced Grant 2018

Riferimento contratto n. 833824

Inizio: 01/06/2019

Durata: 60 mesi

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Al via le due procedure di consultazione pubblica finalizzate all'approvazione del PTPCT 2022-2024 e del nuovo Codice etico per la prevenzione delle molestie sessuali e morali e per la tutela della dignità delle persone che lavorano ed operano all’interno dell’INAF

Al via le due procedure di consultazione pubblica finalizzate all'approvazione del PTPCT 2022-2024 e del nuovo Codice etico per la prevenzione delle molestie sessuali e morali e per la tutela della dignità delle persone che lavorano ed operano all’interno dell’INAF

Al giovane ricercatore dell'INAF va il Division Outstanding Early Career Scientist Award. La premiazione ufficiale avverrà durante l'Assemblea Generale EGU 2022, a Vienna

Al giovane ricercatore dell'INAF va il Division Outstanding Early Career Scientist Award. La premiazione ufficiale avverrà durante l'Assemblea Generale EGU 2022, a Vienna