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Related papers: The Arches Cluster Mass Function

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We present the mass function (MF) of the Arches cluster obtained from ground-based adaptive optics data in comparison with results derived from HST/NICMOS data. A MF slope of Gamma = -0.8 +- 0.2 is obtained. Both datasets reveal a strong…

Astrophysics · Physics 2007-05-23 Andrea Stolte , Eva K. Grebel , Wolfgang Brandner , Donald F. Figer

We have analyzed high-resolution, adaptive optics (AO) HK observations of the Arches cluster obtained with NAOS/CONICA. With a spatial resolution of 84 mas, the cluster center is uniquely resolved. From these data the present-day mass…

We have analysed high resolution adaptive optics (AO) science demonstration data of the young, massive stellar cluster Arches near the Galactic Center, obtained with the Gemini North telescope in combination with the University of Hawai'i…

Astrophysics · Physics 2016-08-30 A. Stolte , E. K. Grebel , W. Brandner , D. F. Figer

We report the first detection of the intrinsic velocity dispersion of the Arches cluster - a young (~2 Myr), massive (~10,000 Solar Mass) starburst cluster located near the Galactic center. This was accomplished using proper motion…

Astrophysics of Galaxies · Physics 2015-06-03 Will Clarkson , Andrea Ghez , Mark Morris , Jessica Lu , Andrea Stolte , Nate McCrady , Tuan Do , Sylvana Yelda

We study the evolution of the mass function in young and dense star clusters by means of direct N-body simulations. Our main aim is to explain the recent observations of the relatively flat mass function observed near the centre of the…

Astrophysics · Physics 2008-11-26 Simon Portegies Zwart , Evghenii Gaburov , Hui-Chen Chen , M. Atakan Gürkan

The massive Arches cluster near the Galactic center should be an ideal laboratory for investigating massive star formation under extreme conditions. But it comes at a high price: the cluster is hidden behind several tens of magnitudes of…

Astrophysics of Galaxies · Physics 2015-05-13 Pablo Espinoza , Fernando J. Selman , Jorge Melnick

The initial mass function (IMF) of the Arches cluster, which was formed a few million years ago in the harsh environment of the Galactic center (GC), has long been a target of interest to those who study the GC and the theory of star…

Astrophysics of Galaxies · Physics 2015-06-23 Jihye Shin , Sungsoo S. Kim

We present the first measurement of the proper motion of the young, compact Arches cluster near the Galactic center from near-infrared adaptive optics (AO) data taken with the recently commissioned laser-guide star (LGS) at the Keck 10-m…

As a young massive cluster in the Central Molecular Zone, the Arches cluster is a valuable probe of the stellar Initial Mass Function (IMF) in the extreme Galactic Center environment. We use multi-epoch Hubble Space Telescope observations…

Astrophysics of Galaxies · Physics 2019-01-16 M. W. Hosek , J. R. Lu , J. Anderson , F. Najarro , A. M. Ghez , M. R. Morris , W. I. Clarkson , S. M. Albers

We study the evolution and observability of young, compact star clusters near the Galactic center, such as the Arches and Quintuplet systems. The clusters are modeled by integrating the equations of motion of all stars while accounting for…

Astrophysics · Physics 2009-11-06 Simon Portegies Zwart , Junichiro Makino , Stephen McMillan , Piet Hut

At a projected distance of ~26 pc from Sgr A*, the Arches cluster provides insight to star formation in the extreme Galactic Center (GC) environment. Despite its importance, many key properties such as the cluster's internal structure and…

Solar and Stellar Astrophysics · Physics 2015-09-17 Matthew W. Hosek , Jessica R. Lu , Jay Anderson , Andrea M. Ghez , Mark R. Morris , William I. Clarkson

We have performed a series of N-body simulations to model the Arches cluster. Our aim is to find the best fitting model for the Arches cluster by comparing our simulations with observational data and to constrain the parameters for the…

Astrophysics of Galaxies · Physics 2015-05-14 S. Harfst , S. Portegies Zwart , A. Stolte

We present Near-IR photometry of the Arches cluster, a young and massive stellar cluster near the Galactic center. We have analyzed the high resolution (FWHM 0.2") H and K' band images in the Galactic Center Demonstration Science Data Set,…

Astrophysics · Physics 2015-06-24 Yujin Yang , Hong Soo Park , Myung Gyoon Lee , Sang-Gak Lee

The Galactic center is the most active site of star formation in the Milky Way Galaxy, where particularly high-mass stars have formed very recently and are still forming today. However, since we are looking at the Galactic center through…

Solar and Stellar Astrophysics · Physics 2015-06-12 Maryam Habibi , Andrea Stolte , Wolfgang Brandner , Benjamin Hußmann , Kentaro Motohara

The mass function of clusters of galaxies is determined from 400 deg^2 of early commissioning imaging data of the Sloan Digital Sky Survey; ~300 clusters in the redshift range z = 0.1 - 0.2 are used. Clusters are selected using two…

We present preliminary results of the first near-infrared variability study of the Arches cluster, using adaptive optics data from NIRI/Gemini and NACO/VLT. The goal is to discover eclipsing binaries in this young (2.5 $\pm$ 0.5 Myr),…

Solar and Stellar Astrophysics · Physics 2011-08-24 K. Markakis , A. Z. Bonanos , G. Pietrzynski , L. Macri , K. Z. Stanek

Canada-France-Hawaii-Telescope adaptive optics bonnette images through narrow-band filters in the $K-$band are presented for the Arches cluster. Continuum fluxes, line fluxes, and equivalent widths are derived from high angular resolution…

Astrophysics · Physics 2009-11-06 R. D. Blum , D. Schaerer , A. Pasquali , M. Heydari-Malayeri , P. S. Conti , W. Schmutz

The Arches is one of the youngest, densest and most massive clusters in the Galaxy. As such it provides a unique insight into the lifecycle of the most massive stars known and the formation and survival of such stellar aggregates in the…

Solar and Stellar Astrophysics · Physics 2019-03-13 J. S. Clark , M. E. Lohr , L. R. Patrick , F. Najarro

This work analyses the present-day mass function (PDMF) of 93~star clusters utilizing Gaia DR3 data, with membership determined by the StarGo machine learning algorithm. The impact of unresolved binary systems on mass estimation is…

Astrophysics of Galaxies · Physics 2024-03-15 Xiaoying Pang , Siqi Liao , Jiadong Li , Zhiqiang Yan , Mingjie Jian , M. B. N. Kouwenhoven , Shih-Yun Tang , Yifan Wang

We study the tomographic clustering properties of the photometric cluster catalogue derived from the Third Data Release of the Kilo Degree Survey, focusing on the angular correlation function and its spherical harmonic counterpart, the…

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