Results 11 to 20 of about 4,030,490 (290)

Young star clusters in nearby molecular clouds [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2018
Accepted for publication in MNRAS (on February 19, 2018); 30 pages, 14 figures, and 8 ...
K V Getman   +5 more
core   +13 more sources

Young massive star clusters: achievements and challenges [PDF]

open access: yesProceedings of the International Astronomical Union, 2009
AbstractIn spite of significant recent and ongoing research efforts, most of the early evolution and long-term fate of young massive star clusters remain clouded in uncertainties. Here, I discuss our understanding of the initial conditions of star cluster formation and the importance of initial substructure for the subsequent dynamical-evolution and ...
de Grijs, Richard
openaire   +3 more sources

STAR CLUSTERS IN M31. I. A CATALOG AND A STUDY OF THE YOUNG CLUSTERS [PDF]

open access: yesThe Astronomical Journal, 2008
We present an updated catalog of 1300 objects in the field of M31, including 670 likely star clusters of various types, the rest being stars or background galaxies once thought to be clusters. The coordinates in the catalog are accurate to 02, and are based on images from the Local Group Survey (LGS) or from the Digitized Sky Survey (DSS).
Caldwell, Nelson   +5 more
openaire   +4 more sources

PHANGS–JWST First Results: Massive Young Star Clusters and New Insights from JWST Observations of NGC 1365

open access: yesThe Astrophysical Journal Letters, 2023
A primary new capability of JWST is the ability to penetrate the dust in star-forming galaxies to identify and study the properties of young star clusters that remain embedded in dust and gas. In this Letter we combine new infrared images taken with JWST
Bradley C. Whitmore   +30 more
doaj   +1 more source

Multi-Color Observations of Young Star Clusters [PDF]

open access: yesHighlights of Astronomy, 2005
AbstractWe present a new set of evolutionary synthesis models of our GALEV code, specifically developed to include the gaseous emission of presently forming star clusters, in combination with an advanced tool to compare large model grids with multi-color broad-band observations of YSC systems. Tests and first applications are presented.
Anders, Peter   +2 more
openaire   +3 more sources

Clustering Properties of Intermediate and High-mass Young Stellar Objects

open access: yesThe Astronomical Journal, 2023
We have selected 337 intermediate- and high-mass young stellar objects (YSOs; 1.5–20 M _⊙ ) well-characterized with spectroscopy. By means of the clustering algorithm HDBSCAN, we study their clustering and association properties in the Gaia DR3 catalog ...
Miguel Vioque   +8 more
doaj   +1 more source

Young Star Clusters in M 31 [PDF]

open access: yes, 2008
In our study of M31's globular cluster system with MMT/Hectospec, we have obtained high-quality spectra of 85 clusters with ages less than 1 Gyr. With the exception of Hubble V, the young cluster in NGC 205, we find that these young clusters have kinematics and spatial distribution consistent with membership in M31's young disk.
Morrison, Heather   +5 more
openaire   +2 more sources

JWST/NIRCam Probes Young Star Clusters in the Reionization Era Sunrise Arc

open access: yesThe Astrophysical Journal, 2023
Star cluster formation in the early universe and its contribution to reionization remains largely unconstrained to date. Here we present JWST/NIRCam imaging of the most highly magnified galaxy known at z ∼ 6, the Sunrise arc.
Eros Vanzella   +29 more
doaj   +1 more source

PHANGS–JWST First Results: Dust-embedded Star Clusters in NGC 7496 Selected via 3.3 μm PAH Emission

open access: yesThe Astrophysical Journal Letters, 2023
The earliest stages of star formation occur enshrouded in dust and are not observable in the optical. Here we leverage the extraordinary new high-resolution infrared imaging from JWST to begin the study of dust-embedded star clusters in nearby galaxies ...
M. Jimena Rodríguez   +40 more
doaj   +1 more source

The structure of young star clusters [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1999
We analyse and compare the clustering of young stars in Chamaeleon I and Taurus. We compute the mean surface-density of companion stars \bar{N} as a function of angular displacement θfrom each star. We then fit \bar{N}(θ) with two simultaneous power laws.
Gladwin, P. P.   +3 more
openaire   +2 more sources

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