Afficher la notice abrégée

Pushing star formation to the limit: probing the Schmidt-Kennicutt law in extreme environments

dc.contributor.authorLISENFELD, Ute
dc.contributor.authorBOQUIEN, Mederic
dc.contributor.authorBOURNAUD, Frederic
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
dc.contributor.authorBRAINE, J.
dc.contributor.authorBRINKS, Elias
dc.contributor.authorCHARMANDARIS, Vassilis
dc.contributor.authorDUC, Pierre-Alain
dc.contributor.authorXU, Kevin C.
dc.date.issued2008
dc.descriptionSpitzer Proposal ID #50191
dc.description.abstractEnWe propose to study star formation (SF) in extreme environments in order to test to breaking point the many prescriptions that have been proposed that predict under which conditions SF occurs. In particular we will investigate (i) what sets the threshold for SF and (ii) what determines, once above this threshold, the rate of SF. So far, studies dedicated to this question have been based only on data of spiral and dwarf galaxies. We argue that in order to make progress, observations are needed of SF in extreme environments, such as intergalactic SF regions. We propose to study the relation between SF and SF rate (SFR), and the neutral (atomic and molecular) gas in a sample of 13 intergalactic SF regions, spanning a wide range of luminosities. All targets have a wealth of ancillary data, mainly obtained by us such as HI, CO, Halpha, and GALEX UV. Although the latter two are indicators of unobscured SF, we know that even in intergalactic SF regions there is dust and considerable extinction. It is therefore crucial to obtain MIPS 24 um maps to determine the total SF (obscured and unobscured). A modest 2.5 hrs total time spent on 13 targets is guaranteed to deliver a substantial return on investment in the form of a much improved understanding of the sufficient and necessary conditions for SF to take place.
dc.language.isoen
dc.title.enPushing star formation to the limit: probing the Schmidt-Kennicutt law in extreme environments
dc.typeAutre document
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP]
hal.identifierhal-00401238
hal.version1
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00401238v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2008&rft.au=LISENFELD,%20Ute&BOQUIEN,%20Mederic&BOURNAUD,%20Frederic&BRAINE,%20J.&BRINKS,%20Elias&rft.genre=unknown


Fichier(s) constituant ce document

FichiersTailleFormatVue

Il n'y a pas de fichiers associés à ce document.

Ce document figure dans la(les) collection(s) suivante(s)

Afficher la notice abrégée