Mock Observations for the CSST Mission: HSTDM--Synthetic Data Generation
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2025
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| author | Tan, SiYuan Duan, WenYin Zhang, YiLong Ao, YiPing Gong, Yan Lin, ZhenHui Zhang, Xuan Shi, Yong Tang, Jing Li, Jing Mao, RuiQing Shi, Sheng-Cai |
| author_facet | Tan, SiYuan Duan, WenYin Zhang, YiLong Ao, YiPing Gong, Yan Lin, ZhenHui Zhang, Xuan Shi, Yong Tang, Jing Li, Jing Mao, RuiQing Shi, Sheng-Cai |
| contents | The High Sensitivity Terahertz Detection Module (HSTDM), a key component of the backend modules on board the China Space Station Telescope (CSST), will offer great opportunities for the discovery of Terahertz Astronomy, with implications that extend well beyond China to the global astronomical community. It is imperative that the raw data collected by HSTDM undergoes meticulous calibration and processing through the HSTDM data processing pipeline (HSTDM pipeline for short) to ensure the accuracy and effectiveness of the final science data to be archived for further research. This process necessitates that the HSTDM pipeline address instrumental artifacts and effects as well as the coordination of data flow of the scheduled observing sequences under all observing modes of HSTDM within the CSST automated processing environment. As the understanding of CSST HSTDM data processing develops during the pipeline development stage, it becomes essential to assess the accuracy, the robustness and the performance of the HSTDM pipeline under all observing modes of HSTDM so that components of the HSTDM pipeline be rationally added, removed, amended or extended within the modular framework. In this paper, we develop practical simulation methods to facilitate this need. The contribution of synthetic data generation of HSTDM observation includes two parts: 1. HSTDM instrumental effect simulation based on both real testing profiles and simulated models; 2. Observing data flow generation based on HSTDM observing mode scenario. The simulation methods have been implemented and shown to be practical in testing the HSTDM pipeline during the development stage. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_09074 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Mock Observations for the CSST Mission: HSTDM--Synthetic Data Generation Tan, SiYuan Duan, WenYin Zhang, YiLong Ao, YiPing Gong, Yan Lin, ZhenHui Zhang, Xuan Shi, Yong Tang, Jing Li, Jing Mao, RuiQing Shi, Sheng-Cai Instrumentation and Methods for Astrophysics The High Sensitivity Terahertz Detection Module (HSTDM), a key component of the backend modules on board the China Space Station Telescope (CSST), will offer great opportunities for the discovery of Terahertz Astronomy, with implications that extend well beyond China to the global astronomical community. It is imperative that the raw data collected by HSTDM undergoes meticulous calibration and processing through the HSTDM data processing pipeline (HSTDM pipeline for short) to ensure the accuracy and effectiveness of the final science data to be archived for further research. This process necessitates that the HSTDM pipeline address instrumental artifacts and effects as well as the coordination of data flow of the scheduled observing sequences under all observing modes of HSTDM within the CSST automated processing environment. As the understanding of CSST HSTDM data processing develops during the pipeline development stage, it becomes essential to assess the accuracy, the robustness and the performance of the HSTDM pipeline under all observing modes of HSTDM so that components of the HSTDM pipeline be rationally added, removed, amended or extended within the modular framework. In this paper, we develop practical simulation methods to facilitate this need. The contribution of synthetic data generation of HSTDM observation includes two parts: 1. HSTDM instrumental effect simulation based on both real testing profiles and simulated models; 2. Observing data flow generation based on HSTDM observing mode scenario. The simulation methods have been implemented and shown to be practical in testing the HSTDM pipeline during the development stage. |
| title | Mock Observations for the CSST Mission: HSTDM--Synthetic Data Generation |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2511.09074 |