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相关论文: A Galactic-scale gas wave in the Solar Neighborhoo…

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Recent 3D dust maps of the local Milky Way are revolutionizing our understanding of the Sun's Galactic neighborhood, providing much needed insight into the large-scale organization of the interstellar medium. Focusing on the largest scales…

Gould's Belt is a flat local system composed of young OB stars, molecular clouds and neutral hydrogen within 500 pc from the Sun. It is inclined about 20 degrees to the galactic plane and its velocity field significantly deviates from…

星系天体物理 · 物理学 2018-04-25 Jan Palouš , Soňa Ehlerová

The local velocity patterns of star forming regions, young OB stars, nearby OB associations, atomic and molecular gas are confronted with models of an expanding region. We test free expansion from a point or from a ring, expanding 2D shell,…

星系天体物理 · 物理学 2018-03-14 Jan Palouš , Soňa Ehlerová

The history of the local medium, within a few hundred parsecs, is dominated by the evolution of the Gould Belt. The event that triggered this star-forming region and molded the gas distribution is still unknown. Its orientation and extent…

天体物理学 · 物理学 2007-05-23 Isabelle A. Grenier

We reassess the long-standing idea of Gould's Belt using Gaia DR3 for a sample of young massive stars and nearby young clusters. The structure surrounding the Sun, often interpreted as an inclined, expanding, and rotating ring, emerges in…

星系天体物理 · 物理学 2026-04-21 Michelangelo Pantaleoni González , João Alves , Cameren Swiggum , Isak Niederbrunner

Most of what we know about the formation of stars, and essentially everything we know about the formation of planets, comes from observations of our solar neighborhood within 2 kpc of the Sun. Before 2018, accurate distance measurements…

星系天体物理 · 物理学 2023-08-28 Catherine Zucker , João Alves , Alyssa Goodman , Stefan Meingast , Phillip Galli

Based on published sources, we have created a kinematic database on 220 massive (>10 solar masses) young Galactic star systems located within <3 kpc of the Sun. Out of them, approximately 100 objects are spectroscopic binary and multiple…

星系天体物理 · 物理学 2013-07-08 V. V. Bobylev , A. T. Bajkova

The dynamical evolution of the Gould Belt has been modelled in 3D and confronted to the spatial and velocity distributions of all HI and H2 clouds found within a few hundred parsecs from the Sun and to the Hipparcos distances of the nearby…

天体物理学 · 物理学 2009-11-07 Christophe A. Perrot , Isabelle A. Grenier

We review what is currently known about the structure of interstellar material in the solar neighborhood, emphasizing how observations from the Hubble Space Telescope (HST) have improved our understanding of how interstellar gas is…

天体物理学 · 物理学 2007-05-23 Brian E. Wood , Seth Redfield , Jeffrey L. Linsky

We compare the spatial stellar color variations with our 3D model of the spatial dust distribution to refine the properties of the dust layer in Galactic solar neighborhoods. We use a complete sample of 93992 clump giants with an admixture…

星系天体物理 · 物理学 2020-08-26 George A. Gontcharov

The Milky Way has a giant stellar structure in the solar neighborhood, which has a size of $\sim 1$ kpc, a mass of $\sim 10^6 {\rm M}_{\odot}$, and a ring-like distribution of young stars. Fundamental physical properties of this local…

星系天体物理 · 物理学 2015-05-13 Kenji Bekki

The evolution of the molecular interstellar medium is controlled by processes such as turbulence, gravity, stellar feedback, and Galactic shear. AL a part of the ISM-6D https://gxli.github.io/ISM-6D/ project, using Gaia astrometric…

星系天体物理 · 物理学 2022-04-13 Ji-Xuan Zhou , Guang-Xing Li , Bing-Qiu Chen

To investigate the interstellar medium (ISM) and Galactic cosmic rays (CRs) in the solar neighborhood, we analyzed ${\gamma}$-ray data by Fermi Large Area Telescope (LAT) for five nearby molecular cloud regions. Our data includes the…

高能天体物理现象 · 物理学 2025-06-23 Tsunefumi Mizuno , Katsuhiro Hayashi , Hinako Ochi , Igor V. Moskalenko , Elena Orlando , Andrew W. Strong

The nearby, 30 to 40 Myr old, starburst region of the Gould Belt has formed numerous massive stars. Within its 300 pc radius, it produces core-collapse supernovae at an enhanced rate which is shown to be 75 to 95 Myr{-1} kpc{-2}, i.e. 3 to…

天体物理学 · 物理学 2016-08-30 I. A. Grenier

Inversion of interstellar gas or dust columns measured along the path to stars distributed in distance and direction allows reconstructing the distribution of interstellar matter (ISM) in 3D. A low resolution IS dust map based on the…

星系天体物理 · 物理学 2015-06-23 Rosine Lallement

The Gould Belt (GB) is a system of gas and young, bright stars distributed along a plane that is inclined with respect to the main plane of the Milky Way. Observational evidence suggests that the GB is our closest star formation complex,…

天体物理学 · 物理学 2009-06-23 N. Sanchez , E. J. Alfaro , F. Elias , A. J. Delgado , J. Cabrera-Cano

We present a newly-developed, three-dimensional spatial classification method, designed to analyze the spatial distribution of early type stars within the 1 kpc sphere around the Sun. We propose a distribution model formed by two…

天体物理学 · 物理学 2008-11-26 F. Elias , J. Cabrera-Cano , E. J. Alfaro

The Galactic distribution of the high-latitude molecular clouds is considered. It is suggested that the majority of these clouds are clustered in two large shells around the two closest OB associations, Per OB3/Cas-Tau and Sco OB2. The most…

天体物理学 · 物理学 2007-05-23 H. C. Bhatt

This review is devoted to studies of the Gould belt and the Local system. Since the Gould belt is the giant stellar-gas complex closest to the sun, its stellar component is characterized, along with the stellar associations and diffuse…

星系天体物理 · 物理学 2015-07-24 V. V. Bobylev

The cloud-scale density, velocity dispersion, and gravitational boundedness of the interstellar medium (ISM) vary within and among galaxies. In turbulent models, these properties play key roles in the ability of gas to form stars. New high…

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