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Related papers: Kinematic evolution of the young local association…

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Context: Over the last decade, several groups of young (mainly low-mass) stars have been discovered in the solar neighbourhood (closer than ~100 pc), thanks to cross-correlation between X-ray, optical spectroscopy and kinematic data. These…

Astrophysics · Physics 2009-11-13 D. Fernandez , F. Figueras , J. Torra

Over the last decade, several groups of young (mainly low-mass) stars have been discovered in the solar neighbourhood (closer than ~100 pc), thanks to cross-correlation between X-ray, optical spectroscopy and kinematic data. These young…

Astrophysics · Physics 2015-05-13 D. Fernandez , F. Figueras , J. Torra

The low-density region of the interstellar medium (ISM) where the Sun is located is known as the Local Bubble, a cavity filled with high-temperature and low-density plasma that may be created by a series of supernova (SN) explosions over…

Astrophysics of Galaxies · Physics 2025-09-24 Guang-Ya Zeng , Guang-Xing Li , Bing-Qiu Chen , Ji-Xuan Zhou , Martin G. H. Krause

We review topics related to the dispersal of young stars from their birth-sites, and focus in particular on the entourage of young stars related to the ongoing star-formation event in the Sco-Cen OB association. We conduct a follow-up…

Astrophysics · Physics 2007-05-23 E. E. Mamajek , E. D. Feigelson

The kinematic properties of the Sco-Cen association have been studied using the spatial velocities of young stars. New kinematic age estimates for the three components of the association with the age of UCL and LCC being $17.7\pm2.4$ Myrs…

Astrophysics of Galaxies · Physics 2024-10-29 Vadim V. Bobylev , Anisa T. Bajkova

Young stellar populations provide a powerful record that traces millions of years of star formation history in the solar neighborhood. Using a revised form of the SPYGLASS young star identification methodology, we produce an expanded census…

Astrophysics of Galaxies · Physics 2023-07-12 Ronan Kerr , Adam Kraus , Aaron Rizzuto

The past two decades have seen dramatic progress in our knowledge of the population of stars of age $\lesssim$150 Myr that lie within $\sim$100 pc of the Sun. Most such stars are found in loose kinematic groups ("nearby young moving…

Solar and Stellar Astrophysics · Physics 2023-04-05 Joel H. Kastner , David A. Principe

The nearest region of massive star formation - the Scorpius-Centaurus OB2 association (Sco-Cen) - is a local laboratory ideally suited to the study of a wide range of astrophysical phenomena. Precision astrometry from the Gaia mission has…

Solar and Stellar Astrophysics · Physics 2022-12-28 Maruša Žerjal , Michael J. Ireland , Timothy D. Crundall , Mark R. Krumholz , Adam D. Rains

The recent identification of several groups of young stars within 100 parsecs of the Sun has generated widespread interest. Given their proximity and possible age differences, these systems are ideally suited for detailed studies of disk…

Astrophysics · Physics 2007-05-23 Ray Jayawardhana

Context. The local (<200 pc away) young (<50 Myr old) stellar associations (LYSA) provide fundamental evidence for the study of the star formation process in the local neighbourhood. Aims. We aim at exploring robust statistical correlations…

Astrophysics of Galaxies · Physics 2026-02-25 J. Olivares , N. Miret-Roig , P. A. B. Galli

The local velocity field of young stars is dominated by the galactic rotation, the kinematics of the Gould Belt and the nearest OB associations and open clusters, and the kinematics of the spiral structure. We re-examined here this local…

Astrophysics · Physics 2007-05-23 J. Torra , D. Fernandez , F. Figueras

In this contribution we outline plans for identifying and characterising numerous young, low-mass stars within 150 pc of the Sun using the new SkyMapper telescope and Southern Sky Survey. We aim to learn more about the star formation…

Astrophysics · Physics 2008-06-11 Simon J. Murphy , Michael S. Bessell

The latest results in the research of forming planetary systems have led several authors to compile a sample of candidates for searching for planets in the vicinity of the sun. Young stellar associations are indeed excellent laboratories…

Astrophysics · Physics 2009-11-11 J. Lopez-Santiago , D. Montes , I. Crespo-Chacon , M. J. Fernandez-Figueroa

Young stellar associations hold a star formation record that can persist for millions of years, revealing the progression of star formation long after the dispersal of the natal cloud. To identify nearby young stellar populations that trace…

Astrophysics of Galaxies · Physics 2021-08-18 Ronan Kerr , Aaron C. Rizzuto , Adam L. Kraus , Stella S. R. Offner

Efforts to unveil the structure of the local interstellar medium and its recent star formation history have spanned the past seventy years. Recent studies utilizing precise data from space astrometry missions have revealed nearby, newly…

Several observations suggest that the Solar system has been located in a region affected by massive stellar feedback for at least a few Myr; these include detection of live $^{60}\text{Fe}$ in deep-sea archives and Antarctic snow, the broad…

Astrophysics of Galaxies · Physics 2020-10-07 Yusuke Fujimoto , Mark R. Krumholz , Shu-ichiro Inutsuka , Alan P. Boss , Larry R. Nittler

The Gaia mission has opened a new window into the internal kinematics of young star clusters at the sub-km/s level, with implications for our understanding of how star clusters form and evolve. We use a sample of 28 clusters and…

Astrophysics of Galaxies · Physics 2019-01-09 Michael A. Kuhn , Lynne A. Hillenbrand , Alison Sills , Eric D. Feigelson , Konstantin V. Getman

The kinematics of the young stellar association near the Sun TW Hya is studied. Kinematic estimates of the age of this association were obtained in two ways. The first method -- analysis of stellar trajectories integrated back in time --…

Astrophysics of Galaxies · Physics 2024-11-19 Vadim V. Bobylev , Anisa T. Bajkova

In this work we present preliminary results concerning the properties of about 50 clusters and associations located in a densely populated region at the Southern edge of the supershell LMC~4. The ages of the clusters and associations are…

Astrophysics · Physics 2007-05-23 A. Vallenari , A. Moretti , E. V. Held , L. Rizzi , D. Bettoni

We use a new contiguous imaging survey conducted using the Dark Energy Camera to investigate the distribution and properties of young stellar populations in the Magellanic inter-Cloud region. These young stars are strongly spatially…

Astrophysics of Galaxies · Physics 2017-10-11 A. D. Mackey , S. E. Koposov , G. S. Da Costa , V. Belokurov , D. Erkal , F. Fraternali , N. M. McClure-Griffiths , M. Fraser
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