Results 41 to 50 of about 2,357,113 (365)

Exploring Stellar Cluster and Feedback-driven Star Formation in the Galactic Mid-infrared Bubble [HKS2019] E70

open access: yesThe Astrophysical Journal, 2023
We present a comprehensive analysis of the Galactic mid-infrared bubble [HKS2019] E70 (E70) by adopting a multiwavelength approach to understand the physical environment and star formation scenario around it.
Aayushi Verma   +10 more
doaj   +1 more source

Star Clusters [PDF]

open access: yes, 1994
This review concentrates almost entirely on globular star clusters. It emphasises the increasing realisation that few of the traditional problems of star cluster astronomy can be studied in isolation: the influence of the Galaxy affects dynamical evolution deep in the core, and the spectrum of stellar masses; in turn the evolution of the core ...
openaire   +2 more sources

Probing the Faintest Stars in a Globular Star Cluster [PDF]

open access: yesScience, 2006
NGC 6397 is the second closest globular star cluster to the Sun. Using 5 days of time on the Hubble Space Telescope, we have constructed an ultradeep color-magnitude diagram for this cluster. We see a clear truncation in each of its two major stellar sequences.
Richer, Harvey B.   +12 more
openaire   +5 more sources

HOW FAR CAN GET FRB PROGENITOR NEUTRON STARS FROM THEIR BIRTHPLACE?

open access: yesВестник. Серия физическая, 2021
The recent studies show evidence of magnetars – young neutron stars being good candidates of fast radio birth sources. Neutron stars can form as remnants of type II supernovae explosions of young stars.
A. Otebay, M. Kalambay, B. Shukirgaliyev
doaj   +1 more source

Nuclear star clusters [PDF]

open access: yesProceedings of the International Astronomical Union, 2009
AbstractThe centers of most galaxies in the local Universe are occupied by compact, barely resolved sources. Based on their structural properties, position in the Fundamental Plane, and integrated spectra, these sources clearly have a stellar origin. They are therefore called ‘nuclear star clusters’ (NCs) or ‘stellar nuclei’.
openaire   +3 more sources

Radiation pressure in super star cluster formation [PDF]

open access: yes, 2017
The physics of star formation at its extreme, in the nuclei of the largest and densest star clusters in the universe - potential massive black hole nurseries - has for decades eluded scrutiny.
B. T. Tsang, M. Milosavljevic
semanticscholar   +1 more source

DISCOVERY OF A FAINT OUTER HALO MILKY WAY STAR CLUSTER IN THE SOUTHERN SKY [PDF]

open access: yes, 2015
We report the discovery of a new, low-luminosity star cluster in the outer halo of the Milky Way. High-quality gr photometry is presented, from which a color–magnitude diagram is constructed, and estimates of age, [Fe/H], [α/Fe], and distance are derived.
Dongwon Kim   +4 more
semanticscholar   +1 more source

Planetary systems in star clusters [PDF]

open access: yesProceedings of the International Astronomical Union, 2014
AbstractIn the solar neighborhood, where the typical relaxation timescale is larger than the cosmic age, at least 10% to 15% of Sun-like stars have planetary systems with Jupiter-mass planets. In contrast, dense star clusters, characterized by frequent close encounters, have been found to host very few planets.
Kouwenhoven, M.B.N.   +3 more
openaire   +6 more sources

Star cluster formation in Orion A [PDF]

open access: yesPublications of the Astronomical Society of Japan, 2020
Abstract We introduce new analysis methods for studying the star cluster formation processes in Orion A, especially examining the scenario of a cloud–cloud collision. We utilize the CARMA–NRO Orion survey 13CO (1–0) data to compare molecular gas to the properties of young stellar objects from the SDSS III IN-SYNC survey. We show that the
Benjamin Wu   +13 more
openaire   +4 more sources

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