Results 41 to 50 of about 429,650 (351)

O and Fe abundance correlations and distributions inferred for the thick and thin disk [PDF]

open access: yesSerbian Astronomical Journal, 2015
A linear [Fe/H]-[O/H] relation is found for different stellar populations in the Galaxy (halo, thick disk, thin disk) from a data sample obtained in a recent investigation (Ramґırez et al. 2013).
Caimmi R.
doaj   +1 more source

The influence of Galactic wind upon the star formation histories of Local Group galaxies [PDF]

open access: yes, 1997
We examine the possibility that ram pressure exerted by the galactic wind from the Galaxy could have stripped gas from the Local Group dwarf galaxies, thereby affecting their star formation histories.
Hirashita, H., Kamaya, H., Mineshige, S.
core   +3 more sources

JADES Imaging of GN-z11: Revealing the Morphology and Environment of a Luminous Galaxy 430 Myr after the Big Bang

open access: yesThe Astrophysical Journal, 2023
We present JWST NIRCam nine-band near-infrared imaging of the luminous z = 10.6 galaxy GN-z11 from the JWST Advanced Deep Extragalactic Survey of the GOODS-N field.
Sandro Tacchella   +47 more
doaj   +1 more source

The Effect of Local Galaxy Surface Density on Star Formation for HI selected galaxies [PDF]

open access: yesMon.Not.Roy.Astron.Soc.372:977-991,2006, 2006
We present the result of investigations into two theories to explain the star formation rate-density relationship. For regions of high galaxy density, either there are fewer star forming galaxies, or galaxies capable of forming stars are present but some physical process is suppressing their star formation. We use HI Parkes All Sky Survey's (HIPASS) HI
arxiv   +1 more source

EESSI: A cross‐platform ready‐to‐use optimised scientific software stack

open access: yesSoftware: Practice and Experience, Volume 53, Issue 1, Page 176-210, January 2023., 2023
Abstract Getting scientific software installed correctly and ensuring it performs well has been a ubiquitous problem for several decades now, which is compounded currently by the changing landscape of computational science with the (re‐)emergence of different microprocessor families, and the expansion to additional scientific domains like artificial ...
Bob Dröge   +5 more
wiley   +1 more source

Redshift Evolution of Electron Density in the Interstellar Medium at z ∼ 0–9 Uncovered with JWST/NIRSpec Spectra and Line-spread Function Determinations

open access: yesThe Astrophysical Journal, 2023
We present electron densities n _e in the interstellar medium (ISM) of star-forming galaxies at z = 4–9 observed by the JWST/NIRSpec GLASS, Early Release Observations, and CEERS programs.
Yuki Isobe   +7 more
doaj   +1 more source

Molecular Gas Heating, Star Formation Rate Relations, and AGN Feedback in Infrared-Luminous Galaxy Mergers

open access: yesUniverse, 2022
We examine the origin of molecular gas heating in a sample of 42 infrared-luminous galaxies at ...
Duncan Farrah   +15 more
doaj   +1 more source

What Is Inside Matters: Simulated Green Valley Galaxies Have Centrally Concentrated Star Formation [PDF]

open access: yes, 2018
In spatially resolved galaxy observations, star formation rate radial profiles are found to correlate with total specific star formation rates. A central depletion in star formation is thought to correlate with the globally depressed star formation rates of, for example, galaxies within the Green Valley.
arxiv   +1 more source

Galaxy peculiar velocities and evolution-bias [PDF]

open access: yes, 2007
Galaxy bias can be split into two components: a formation-bias based on the locations of galaxy creation, and an evolution-bias that details their subsequent evolution. In this letter we consider evolution-bias in the peaks model.
Percival, Will J., Schaefer, Bjoern M.
core   +2 more sources

Revealing the nature of star forming blue early-type galaxies at low redshift [PDF]

open access: yesA&A 583, A103 (2015), 2015
Context: Star forming early-type galaxies with blue optical colours at low redshift can be used to test our current understanding of galaxy formation and evolution. Aims: We want to reveal the fuel and triggering mechanism for star formation in these otherwise passively evolving red and dead stellar systems.
arxiv   +1 more source

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