3D MC I: X-ray Tomography Begins to Unravel the 3-D Structure of a Molecular Cloud in our Galaxy's Center
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arXiv
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| Format: | Preprint |
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2025
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| author | Brunker, Samantha W. Battersby, Cara Alboslani, Danya Clavel, Maïca Walker, Daniel L. Lipman, Dani Hatchfield, H Perry Terrier, Régis |
| author_facet | Brunker, Samantha W. Battersby, Cara Alboslani, Danya Clavel, Maïca Walker, Daniel L. Lipman, Dani Hatchfield, H Perry Terrier, Régis |
| contents | Astronomers have used observations of the Galactic gas and dust via infrared, microwave, and radio to study molecular clouds in extreme environments such as the Galactic center. More recently, X- ray telescopes have opened up a new wavelength range in which to study these molecular clouds. Previous flaring events from SgrA* propagate X-rays outwards in all directions, and these X-rays interact with the surrounding molecular gas, illuminating different parts of the clouds over time. We use a combination of X-ray observations from Chandra and molecular gas tracers (line data from Herschel and the Submillimeter Array) to analyze specific features in the Sticks cloud, one of three clouds in the Three Little Pigs system in the Central Molecular Zone (Galactic longitude and latitude of 0.106 and -0.082 degrees respectively). We also present a novel X-ray tomography method we used to create 3-D map of the Sticks cloud. By combining X-ray and molecular tracer observations, we are able to learn more about the environment inside the Sticks cloud. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_07717 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | 3D MC I: X-ray Tomography Begins to Unravel the 3-D Structure of a Molecular Cloud in our Galaxy's Center Brunker, Samantha W. Battersby, Cara Alboslani, Danya Clavel, Maïca Walker, Daniel L. Lipman, Dani Hatchfield, H Perry Terrier, Régis Astrophysics of Galaxies Astronomers have used observations of the Galactic gas and dust via infrared, microwave, and radio to study molecular clouds in extreme environments such as the Galactic center. More recently, X- ray telescopes have opened up a new wavelength range in which to study these molecular clouds. Previous flaring events from SgrA* propagate X-rays outwards in all directions, and these X-rays interact with the surrounding molecular gas, illuminating different parts of the clouds over time. We use a combination of X-ray observations from Chandra and molecular gas tracers (line data from Herschel and the Submillimeter Array) to analyze specific features in the Sticks cloud, one of three clouds in the Three Little Pigs system in the Central Molecular Zone (Galactic longitude and latitude of 0.106 and -0.082 degrees respectively). We also present a novel X-ray tomography method we used to create 3-D map of the Sticks cloud. By combining X-ray and molecular tracer observations, we are able to learn more about the environment inside the Sticks cloud. |
| title | 3D MC I: X-ray Tomography Begins to Unravel the 3-D Structure of a Molecular Cloud in our Galaxy's Center |
| topic | Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2501.07717 |