Radioastron probing the fine structure of the flaring H2O maser in star-forming region G25.65+1.05
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916772093886464 |
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| author | Shakhvorostova, N. N. Alakoz, A. V. Val'tts, I. E. Litovchenko, I. D. |
| author_facet | Shakhvorostova, N. N. Alakoz, A. V. Val'tts, I. E. Litovchenko, I. D. |
| contents | The paper describes a Space-VLBI observation of the 22 GHz H2O masers in the massive star-forming region G25.65+1.05, using the 10-m space antenna of Radioastron together with the ground-based VLBA array. Two observing epochs at the pre-flare and post-flare state of the maser source are presented. Leveraging the exceptional angular resolution provided by space-ground baselines along with the broad UV coverage from VLBA baselines, we gained a detailed perspective on the area associated with the maser flare events. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_01053 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Radioastron probing the fine structure of the flaring H2O maser in star-forming region G25.65+1.05 Shakhvorostova, N. N. Alakoz, A. V. Val'tts, I. E. Litovchenko, I. D. Astrophysics of Galaxies Instrumentation and Methods for Astrophysics The paper describes a Space-VLBI observation of the 22 GHz H2O masers in the massive star-forming region G25.65+1.05, using the 10-m space antenna of Radioastron together with the ground-based VLBA array. Two observing epochs at the pre-flare and post-flare state of the maser source are presented. Leveraging the exceptional angular resolution provided by space-ground baselines along with the broad UV coverage from VLBA baselines, we gained a detailed perspective on the area associated with the maser flare events. |
| title | Radioastron probing the fine structure of the flaring H2O maser in star-forming region G25.65+1.05 |
| topic | Astrophysics of Galaxies Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2506.01053 |