Results 91 to 100 of about 1,559 (182)

Measuring Resolved Star Formation Histories from High-precision Color–Magnitude Diagrams with StarFormationHistories.jl

open access: yesThe Astrophysical Journal Supplement Series
Understanding how and when galaxies formed stars over the history of the Universe is fundamental to the study of galaxy evolution. The star formation histories (SFHs) of galaxies in the local Universe can be measured with high precision using deep ...
Christopher T. Garling   +5 more
doaj   +1 more source

Galaxy Ultraviolet Legacy Project: Survey Description and First Insights into NGC 4449 Recent History of Star Formation

open access: yesThe Astrophysical Journal
The Galaxy UV Legacy Project (GULP) is a Cycle 28 Treasury program with the Hubble Space Telescope designed to characterize resolved massive stars, OB associations, and young star clusters in 26 nearby star-forming galaxies. Utilizing the Advanced Camera
E. Sabbi   +20 more
doaj   +1 more source

Discussion on Irregular Galaxies [PDF]

open access: yesSymposium - International Astronomical Union, 1978
openaire   +1 more source

Mock Observations: Morphological Analysis of Galaxies in TNG100 Simulations

open access: yesThe Astrophysical Journal Supplement Series
In this study, we investigate the morphology of galaxies in the TNG100 simulation by applying mock observation techniques and compare the results with the observational data from the Sloan Digital Sky Survey (SDSS).
Jun-Yu Gong   +3 more
doaj   +1 more source

Emergence of the Galaxy Morphology–Star Formation Activity–Clustercentric Radius Relations in Galaxy Clusters

open access: yesThe Astrophysical Journal
We investigate when and how the relations of galaxy morphology and star-forming activity with clustercentric radius become evident in galaxy clusters. We identify 162 galaxy clusters with total mass ${{M}}_{\mathrm{tot}}^{\mathrm{cl}}\gt 5\times {10}^{13}
Sungwook E. Hong   +9 more
doaj   +1 more source

Probing the Relationship Between Early Star Formation and CO in the Dwarf Irregular Galaxy WLM with JWST

open access: yesThe Astronomical Journal
Wolf–Lundmark–Melotte (WLM) is a Local Group dwarf irregular (dIrr) galaxy with a metallicity 13% of solar. At 1 Mpc, the relative isolation of WLM provides a unique opportunity to investigate the internal mechanisms of star formation at low ...
Haylee N. Archer   +7 more
doaj   +1 more source

COSMIC-L: A Photometric Catalog of Observed Stars in the Large Magellanic Cloud

open access: yesThe Astrophysical Journal Supplement Series
The Magellanic Clouds are two nearby dwarf irregular galaxies, the study of which can help us in understanding galaxy and stellar evolution. In particular, the Large Magellanic Cloud, the larger one, contains approximately 30 billion stars at various ...
Antonio Franco   +3 more
doaj   +1 more source

The nature of irregular II galaxies

open access: yesThe Astronomical Journal, 1974
O. K., Jr. Krienke, P. W. Hodge
openaire   +1 more source

The era of precision cosmology with voids. [PDF]

open access: yesAstron Astrophys Rev
Contarini S, Verza G, Pisani A.
europepmc   +1 more source

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