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STAR-FORMATION

Galaxy star formation in different environments

Galaxy star formation in different environments

... We use a semi-analytic model of galaxy formation to study signatures of large-scale modu- lations in the star formation (SF) activity in galaxies. In order to do this, we carefully define local and ...

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Simulations of star formation in a gaseous disc around Sgr A*  a failed Active Galactic Nucleus

Simulations of star formation in a gaseous disc around Sgr A* a failed Active Galactic Nucleus

... the formation of the young massive stars observed in the central parsec of our ...explored, star formation takes place too fast to allow any gas accretion on to the central supermassive black ...

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LLAMA: normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies

LLAMA: normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies

... the star formation rate (SFR) within galaxies (Bigiel et ...in star-forming galax- ies (Leroy et ...the star-formation associated with the gas ...‘star formation ...

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(gamma)-ray emission from regions of star formation: Theory and observations with the MAGIC Telescope

(gamma)-ray emission from regions of star formation: Theory and observations with the MAGIC Telescope

... high star formation in a ...to star formation, and thus to have significant CR ...outstanding star-forming regions in the local universe (each representing about 1000 times as many OB ...

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A Study of Two Dwarf Irregular Galaxies with Asymmetrical Star Formation Distributions

A Study of Two Dwarf Irregular Galaxies with Asymmetrical Star Formation Distributions

... the star formation distributions found in DDO 187 and NGC 3738 and those seen in “ tadpole ” galaxies in the sense that these systems are dominated by a giant star-forming ...giant ...

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The lack of star formation gradients in galaxy groups up to z ~ 1 6

The lack of star formation gradients in galaxy groups up to z ~ 1 6

... generally star forming, and early-type galaxies passive, this implies a possible relationship between star formation rate (SFR) and density, and a number of studies have focused on this SFR–density ...

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Multiwavelength Study of Massive Galaxies at z~2  I  Star Formation and Galaxy Growth

Multiwavelength Study of Massive Galaxies at z~2 I Star Formation and Galaxy Growth

... the star formation episodes were short lived, so that the peak SFR is not caught when averaging over the simulation time steps (250 Myr at z ¼ 2 for the evolution of the dark matter, with much finer steps ...

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TIDAL DISRUPTIONS IN CIRCUMBINARY DISKS  I  STAR FORMATION, DYNAMICS, AND BINARY EVOLUTION

TIDAL DISRUPTIONS IN CIRCUMBINARY DISKS I STAR FORMATION, DYNAMICS, AND BINARY EVOLUTION

... In our current interpretation of the hierarchical structure of the universe, it is well established that galaxies collide and merge with each other during their lifetimes. If massive black holes (MBHs) reside in galactic ...

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Recent Galaxy Mergers and Residual Star Formation of Red Sequence Galaxies in Galaxy Clusters

Recent Galaxy Mergers and Residual Star Formation of Red Sequence Galaxies in Galaxy Clusters

... This study explored the Galaxy Evolution Explorer ultraviolet ( UV ) properties of optical red sequence galaxies in four rich Abell clusters at z  0.1. In particular, we tried to fi nd a hint of merger-induced recent ...

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Panchromatic estimation of star formation rates in BzK galaxies at 1

Panchromatic estimation of star formation rates in BzK galaxies at 1 <z< 3

... Notes. Star formation rates for redshift-binned sBzKs. Column 1: sample redshift range; Column 2: SFR from integrated IR luminosity using CE01 template fits to MIR–radio photometry (λ 24 μm); Column 3: SFR ...

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Ly alpha emitting galaxies at z=3 1: L* progenitors experiencing rapid star formation

Ly alpha emitting galaxies at z=3 1: L* progenitors experiencing rapid star formation

... ing it appear that these LAEs were not undergoing their first burst of star formation. The 9/12 LAEs lacking IRAC detec- tions are presumably younger and less massive and might lack an evolved population. ...

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Enhanced star formation rates in AGN hosts with respect to inactive galaxies from PEP Herschel observations

Enhanced star formation rates in AGN hosts with respect to inactive galaxies from PEP Herschel observations

... host’s star formation, we extend this analysis by including more Herschel fields and make use of a larger dataset which allows sampling of both low and high luminosity ...

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PHYSICAL PROPERTIES, STAR FORMATION, AND ACTIVE GALACTIC NUCLEUS ACTIVITY IN BALMER BREAK GALAXIES AT 0 < z < 1

PHYSICAL PROPERTIES, STAR FORMATION, AND ACTIVE GALACTIC NUCLEUS ACTIVITY IN BALMER BREAK GALAXIES AT 0 < z < 1

... in star-forming–active galactic nuclei (AGNs) diagnostic ...between star formation and AGN activity via optical, mass-excitation (MEx), and MIR diagnostic ...(84%) star-forming galaxies, two ...

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Star formation in AGN hosts in GOODS N

Star formation in AGN hosts in GOODS N

... host star formation are tightly coupled by an evolutionary mechanism, likely ...host star for- mation rate. Connections between AGN and star formation phe- nomena on smaller spatial ...

5

Converting H alpha luminosities into star formation rates

Converting H alpha luminosities into star formation rates

... of star formation, galactic evolu- tion, and ...current star formation rates ...massive star formation ...sive star formation to total star formation ...

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Large scale modulation of star formation in void walls

Large scale modulation of star formation in void walls

... of star formation in the galaxy, which allows to define a spectral ...specific star formation rate in galaxies becomes higher as η ...the star formation activity ...

5

Disentangling the Galactic Halo with APOGEE  II  Chemical and Star Formation Histories for the Two Distinct Populations

Disentangling the Galactic Halo with APOGEE II Chemical and Star Formation Histories for the Two Distinct Populations

... Recent results have shown that the top-mass end of the IMF may vary from galaxy to galaxy and across the galaxies to explain the dark-matter and baryonic mass-to-light ratio ( Cappellari et al. 2012; Lyubenova et al. ...

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Do Moderate Luminosity Active Galactic Nuclei Suppress Star Formation?

Do Moderate Luminosity Active Galactic Nuclei Suppress Star Formation?

... galaxy formation suggest that the energy input from active galactic nuclei (AGNs), as the central supermassive black hole accretes material and grows, heats the interstellar material and suppresses star ...

5

The mean star formation rate of X ray selected active galaxies and its evolution from z ~ 2 5: Results from PEP Herschel

The mean star formation rate of X ray selected active galaxies and its evolution from z ~ 2 5: Results from PEP Herschel

... We turn now to AGNs that were not detected in both PACS bands. They account for the vast majority of X-ray selected AGNs ( ≈ 70% in the GOODS fields, more than 90% in the COSMOS field). PACS-undetected AGNs are less ...

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A bright, spatially extended lensed galaxy at z = 1 7 behind the cluster RCS2 032727 132623

A bright, spatially extended lensed galaxy at z = 1 7 behind the cluster RCS2 032727 132623

... largest systematic uncertainty in the interpretation of a galaxy’s SED, overshadowing the random errors which arise from the photometric uncertainties. It is not a goal of this paper to conduct a complete comparison ...

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