formation et evolution des galaxies
Formation & Evolution des galaxies par l'approche semi-analytique
... des galaxies dites star-forming 25 ...de galaxies sont pr´esent´ees pour diff´erents intervalles de redshift (0 < z < 4 code couleur) et pour des r´egimes de masse d´ependant de la r´esolution du ...
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Formation & Evolution of early-types galaxies
... disc galaxies. Such galaxies will unavoidably develop substructures such as spiral arms and ...intrinsic evolution to take place during the merger, otherwise the effects of the merger itself can not ...
148
Astrocladistics: a phylogenetic analysis of galaxy evolution II. Formation and diversification of galaxies
... galaxy formation and to identify the processes of ...43 galaxies from the GALICS database built from simulations with a hybrid model for galaxy formation ...simulated galaxies, described by ...
15
Evolution of the dust emission of massive galaxies up to z = 4 and constraints on their dominant mode of star formation
... As this paper studies star-forming galaxies, we focused only on star-forming galaxies selected following the method of Ilbert et al. ( 2010 ) based on the rest-frame NUV − r + versus r + − J and similar to ...
18
Evolution des galaxies dans les domaines X et optique. Histoire de la formation d'étoiles et de la métallicité.
... Enfin, nous calculerons les fonctions de luminosité des galaxies dans le domaine X à l’aide du modèle, et à partir de celles valables en bande B et utilisées avec succès pour prédire les[r] ...
239
Evolution cosmologique du taux de fusion des galaxies à partir des champs profonds MUSE
... as formation and evolution of galaxies, stellar population in nearby galaxies, quasars, super massive black holes, early stage of stellar evolution and small bodies in the Solar ...
139
Constraints on the physical properties and chemical evolution of star-forming gas in primeval galaxies
... distant galaxies, based on the observed ultraviolet and optical nebular ...first galaxies to glow in the Universe at the end of the Dark ...star-forming galaxies, over the redshift range 2 ...star ...
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La formation et l'évolution des galaxies grâce à la spectroscopie 3D : le rôle des vents
... la formation et de l’´ evolution des galaxies, et plus par- ticuli` erement celui des flots de mati` ere autour des galaxies de faibles masses, d’importantes questions se ...la ...
186
PROPRIETES DES PREMIERES ETOILES ET GALAXIES. CONTRAINTES SUR LES MODELES DE FORMATION DES GALAXIES
... La mod´elisation des propri´et´es observ´ees d’un objet compos´e d’´etoiles de Popu- lation III doit prendre en compte la contribution du continuum spectral n´ebulaire. Celle-ci devient en effet non n´egligeable ...
391
Properties of Intergalactic Filaments at z = 2 and Implications for the Evolution of Galaxies
... star formation occurring within the halo's cen- tral ...within galaxies and hence support their star formation, when suitable conditions are ...
149
Contraintes apportées par la spectroscopie intégrale de champ à la formation et à l'évolution des galaxies.
... de formation stellaire varie de mani`ere impor- tante dans le ...de formation stellaire durant la phase d’approche des prog´eniteurs, puis `a un second ´episode lors de la fusion proprement ...de ...
282
Evolution de l'agrégation des galaxies dans le sondage VIMOS-VLT Deep Survey
... b = b(z, δ, R). (2) The goal is to provide an observational benchmark for theo- ries predicting the efficiency of structure formation, or semi- analytical simulations of galaxy evolution. The problem, how- ...
250
Identification of galaxies that experienced a recent major drop of star formation
... these galaxies still fulfill the selection criterion with a ∆BIC larger than ...test galaxies without the UV rest-frame (<300 nm) fluxes would lead to a better agreement between the two ...quasi-constant ...
16
Formation of stars and star clusters in colliding galaxies
... the formation, evolution and properties of sub-structures in interacting ...cluster evolution is usually not taken into account in the study of real system ...
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Dust and gas in luminous proto-cluster galaxies at z = 4.05: the case for different cosmic dust evolution in normal and starburst galaxies
... star-forming galaxies are the progenitors of the local ellipticals, given that the large SFR ( ∼690–1860 M yr −1 ) of our sources could be due to a final burst of star formation triggered by a major ...
18
Evolution morphologique des galaxies sub-M* et contraintes instrumentales pour un ELT-MOS.
... de formation et d’évolution des galaxies Depuis la découverte du diagramme de Hubble pour les galaxies de l’Univers local, les astronomes n’ont eu de cesse de chercher à comprendre les mécanismes ...
236
A statistical and multi-wavelength study of star formation in galaxies
... Within the ΛCDM cosmological paradigm, it is relatively straightforward to predict the rate of such merging events. Since this is a purely gravitational problem, the baryonic physics does not play an important role, and ...
266
Past and present secular evolution in the host galaxies of NLS1s
... host galaxies of NLS1s and contrast their properties to those of BLS1s, pursuing the hypothesis that different host galaxy evolution could explain the differences between NLS1s and ...the evolution ...
7
The Small Scale Physical Evolution of Molecular Gas in Nearby Galaxies
... star formation to better understand the nature of the nuclear ring ...star formation reducing the total gas fraction to the observed ...star formation), and the structures formed were more ...
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Inferring the photometric and size evolution of galaxies from image simulations
... up” galaxies, or ex situ mechanisms, such as dry minor mergers ...size evolution trend has since been confirmed by a variety of independent studies ...compact galaxies found at high redshift might be ...
236