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相关论文: Circumstellar Disks in the Outer Galaxy: the Star-…

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The numerous and massive young star clusters in blue compact galaxies (BCGs) are used to investigate the properties of their hosts. We test whether BCGs follow claimed relations between cluster populations and their hosts, such as the the…

宇宙学与河外天体物理 · 物理学 2015-05-28 Angela Adamo , Goeran Ostlin , Erik Zackrisson

Understanding star formation in galaxies requires resolving the physical scale on which star formation often occurs: the scale of star clusters. We present a multiwavelength, eight-parsec resolution study of star formation in the…

As the James Webb Space Telescope approaches scientific operation, there is much interest in exploring the redshift range beyond that accessible with Hubble Space Telescope imaging. Currently, the only means to gauge the presence of such…

星系天体物理 · 物理学 2022-06-01 Mengtao Tang , Daniel P. Stark , Richard S. Ellis

The majority of stars form in clusters. Therefore a comprehensive view of star formation requires understanding the initial conditions for cluster formation. The goal of our study is to shed light on the physical properties of infrared dark…

星系天体物理 · 物理学 2015-05-13 N. Peretto , G. A. Fuller

Even after decades of research, the origin of multiple stellar populations in globular clusters remains enigmatic. The question as to whether the galaxy environment plays a role in their formation remains unanswered. To that extent, we…

星系天体物理 · 物理学 2021-07-26 Viswajith Vanaraj , Florian Niederhofer , Paul Goudfrooij

A long and thorough investigation of chemical abundances of planet-hosting stars that lasted for more than a decade has finally beared fruit. We explore a sample of 148 solar-like stars to search for a possible correlation between the…

(abridged) Star formation in the outer Galaxy, i.e., outside of the Solar circle, has been lightly studied in part due to low CO brightness of molecular clouds linked with the negative metallicity gradient. Recent infrared surveys provide…

We present the first results from our survey of the star-forming complex W3, combining VRI photometry with multiobject spectroscopy to identify and characterize the high-mass stellar population across the region. With 79 new spectral…

太阳与恒星天体物理 · 物理学 2015-11-04 Megan M. Kiminki , Jinyoung Serena Kim , Micaela B. Bagley , William H. Sherry , George H. Rieke

In this letter we present, for the first time, a study of star formation rate, gas fraction and galaxy morphology of a constrained simulation of the Milky Way (MW) and Andromeda (M31) galaxies, compared to other MW-mass galaxies. By…

Background: low-mass stars are the dominant product of the star formation process, and they trace star formation over the full range of environments, from isolated globules to clusters in the central molecular zone. In the past two decades,…

Using recently acquired HST NIR observations (J, Pa$\beta$ and H bands) of the nearby galaxy NGC1313, we investigate the timescales required by a young star cluster to emerge from its natal cloud. We search for extincted star clusters,…

星系天体物理 · 物理学 2021-03-17 M. Messa , D. Calzetti , A. Adamo , K. Grasha , K. E. Johnson , E. Sabbi , L. J. Smith , V. Bajaj , M. K. Finn , Z. Lin

Understanding the evolution and dissipation of protoplanetary disks are crucial in star and planet formation studies. We report the protoplanetary disk population in the nearby young $\sigma$ Orionis cluster (d$\sim$408 pc; age$\sim$1.8…

太阳与恒星天体物理 · 物理学 2023-05-30 Belinda Damian , Jessy Jose , Beth Biller , KT Paul

We present the Hubble imaging Probe of Extreme Environments and Clusters (HiPEEC) survey. We fit HST NUV to NIR broadband and H$\alpha$ fluxes, to derive star cluster ages, masses, extinctions and determine the star formation rate (SFR) of…

High-resolution, high signal-to-noise spectral data are presented for four young B-type stars lying towards the Galactic Centre. Determination of their atmospheric parameters from their absorption line profiles, and uvby photometric…

天体物理学 · 物理学 2009-10-31 S. J. Smartt , K. A. Venn , P. L. Dufton , D. J. Lennon , W. R. J. Rolleston , F. P. Keenan

We present a far-ultraviolet (FUV) analysis of the star-forming complexes (SFCs) in the nearby spiral galaxy NGC\,2090, based on observations from the Ultraviolet Imaging Telescope (UVIT), and compare it with emission from the optical and…

星系天体物理 · 物理学 2026-05-13 Jyoti Yadav , Mousumi Das , S Amrutha , Dimitra Rigopoulou

We present a detailed analysis of the star cluster population in the starburst galaxy NGC 5253. Our work is based on HST optical and VLT Ks images. We detect more than 300 clusters, and for all of them we derive the photometry in the V, I…

天体物理学 · 物理学 2009-11-10 G. Cresci , L. Vanzi , M. Sauvage

Nuclear star clusters (NSCs) are massive star clusters found in the innermost region of most galaxies. While recent studies suggest that low-mass NSCs in dwarf galaxies form largely out of the merger of globular clusters and NSCs in massive…

星系天体物理 · 物理学 2024-03-26 Floor van Donkelaar , Lucio Mayer , Pedro R. Capelo , Tomas Tamfal , Thomas R. Quinn , Piero Madau

Galactic nuclei often harbor a disproportionately large amount of star formation activity with respect to their surrounding disks. Not coincidentally, the density of molecular material in galactic nuclei is often also much greater than that…

天体物理学 · 物理学 2007-05-23 Donald F. Figer , Mark Morris

Massive stars are key players in the evolution of galaxies, yet their formation pathway remains unclear. In this work, we use data from several galaxy-wide surveys to build an unbiased dataset of ~700 massive young stellar objects (MYSOs),…

星系天体物理 · 物理学 2016-11-23 B. B. Ochsendorf , M. Meixner , J. Chastenet , A. G. G. M. Tielens , J. Roman-Duval

We analysed Washington $CMT_1$ photometry of star clusters located along the minor axis of the LMC, from the LMC optical centre up to $\sim$ 39 degrees outwards to the North-West. The data base was exploited in order to search for new star…

星系天体物理 · 物理学 2017-10-18 Andrés E. Piatti , Andrew A. Cole , Bryn Emptage
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