Anuj Nandi, Manju Sudhakar, Srikar Paavan Tadepalli, Anand Jain, Brajpal Singh, Reenu Palawat, Ravishankar B. T., Bhuwan Joshi, Monoj Bug, Anurag Tyagi, Sumit Kumar, Mukund Kumar Thakur, Akanksha Baggan, Srikanth T., Arjun Dey, Veeresha D. R., Abhijit Avinash Adoni, Padmanabhan, Vivechana M. S., Evangelin Leeja Justin, James M. P., Kinshuk Gupta, Shalini Maiya P. R., Lakshmi A., Sajjade Faisal Mustafa, Vivek R. Subramanian, Gayatri Malhotra, Shree Niwas Sahu, Murugiah S., Medasani Thejasree, Narayan Rao G. S., Rethika T., Motamarri Srikanth, Ravi A., Nashiket Premlal Parate, Nigar Shaji
{"title":"HEL1OS - Aditya-L1上的硬x射线光谱仪","authors":"Anuj Nandi, Manju Sudhakar, Srikar Paavan Tadepalli, Anand Jain, Brajpal Singh, Reenu Palawat, Ravishankar B. T., Bhuwan Joshi, Monoj Bug, Anurag Tyagi, Sumit Kumar, Mukund Kumar Thakur, Akanksha Baggan, Srikanth T., Arjun Dey, Veeresha D. R., Abhijit Avinash Adoni, Padmanabhan, Vivechana M. S., Evangelin Leeja Justin, James M. P., Kinshuk Gupta, Shalini Maiya P. R., Lakshmi A., Sajjade Faisal Mustafa, Vivek R. Subramanian, Gayatri Malhotra, Shree Niwas Sahu, Murugiah S., Medasani Thejasree, Narayan Rao G. S., Rethika T., Motamarri Srikanth, Ravi A., Nashiket Premlal Parate, Nigar Shaji","doi":"10.1007/s11207-025-02543-8","DOIUrl":null,"url":null,"abstract":"<div><p><b>HEL1OS</b> (<span>\\(\\mathbf{H}\\)</span>igh <span>\\(\\mathbf{E}\\)</span>nergy <b>L1</b> <span>\\(\\mathbf{O}\\)</span>rbiting X-ray <span>\\(\\mathbf{S}\\)</span>pectrometer) is one of the remote sensing payloads on board Aditya-L1 mission designed to continuously monitor and measure the time-resolved spectra of solar flares between 8 keV and 150 keV. This broad energy range has been covered by using compound semiconductor detectors: cadmium telluride (CdTe: 8 – 70 keV) and cadmium zinc telluride (CZT: 20 – 150 keV) with geometric areas of 0.5 cm<sup>2</sup> and 32 cm<sup>2</sup>, respectively. A stainless steel collimator provides a field-of-view of 6° × 6° optimized to limit the off-axis response while keeping the design within the instrument mass constraints. The in-house designed low-noise digital pulse processing-based front-end electronics has achieved a spectral resolution of ≈ 1 keV at 14 keV (CdTe) and ≈ 7 keV at 60 keV (CZT). The instrument is also equipped with processing and power electronics to process the signal, drive the electronics, bias the detectors with required low and high voltages for optimal performance of the overall system. In this article, we present design aspects of the instrument, results from the pre-launch ground-based tests, and the in-orbit operations, which have indicated optimal performance in line with that expected.</p></div>","PeriodicalId":777,"journal":{"name":"Solar Physics","volume":"300 10","pages":""},"PeriodicalIF":2.4000,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"HEL1OS – A Hard X-ray Spectrometer on Board Aditya-L1\",\"authors\":\"Anuj Nandi, Manju Sudhakar, Srikar Paavan Tadepalli, Anand Jain, Brajpal Singh, Reenu Palawat, Ravishankar B. T., Bhuwan Joshi, Monoj Bug, Anurag Tyagi, Sumit Kumar, Mukund Kumar Thakur, Akanksha Baggan, Srikanth T., Arjun Dey, Veeresha D. R., Abhijit Avinash Adoni, Padmanabhan, Vivechana M. S., Evangelin Leeja Justin, James M. P., Kinshuk Gupta, Shalini Maiya P. R., Lakshmi A., Sajjade Faisal Mustafa, Vivek R. Subramanian, Gayatri Malhotra, Shree Niwas Sahu, Murugiah S., Medasani Thejasree, Narayan Rao G. S., Rethika T., Motamarri Srikanth, Ravi A., Nashiket Premlal Parate, Nigar Shaji\",\"doi\":\"10.1007/s11207-025-02543-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p><b>HEL1OS</b> (<span>\\\\(\\\\mathbf{H}\\\\)</span>igh <span>\\\\(\\\\mathbf{E}\\\\)</span>nergy <b>L1</b> <span>\\\\(\\\\mathbf{O}\\\\)</span>rbiting X-ray <span>\\\\(\\\\mathbf{S}\\\\)</span>pectrometer) is one of the remote sensing payloads on board Aditya-L1 mission designed to continuously monitor and measure the time-resolved spectra of solar flares between 8 keV and 150 keV. This broad energy range has been covered by using compound semiconductor detectors: cadmium telluride (CdTe: 8 – 70 keV) and cadmium zinc telluride (CZT: 20 – 150 keV) with geometric areas of 0.5 cm<sup>2</sup> and 32 cm<sup>2</sup>, respectively. A stainless steel collimator provides a field-of-view of 6° × 6° optimized to limit the off-axis response while keeping the design within the instrument mass constraints. The in-house designed low-noise digital pulse processing-based front-end electronics has achieved a spectral resolution of ≈ 1 keV at 14 keV (CdTe) and ≈ 7 keV at 60 keV (CZT). The instrument is also equipped with processing and power electronics to process the signal, drive the electronics, bias the detectors with required low and high voltages for optimal performance of the overall system. In this article, we present design aspects of the instrument, results from the pre-launch ground-based tests, and the in-orbit operations, which have indicated optimal performance in line with that expected.</p></div>\",\"PeriodicalId\":777,\"journal\":{\"name\":\"Solar Physics\",\"volume\":\"300 10\",\"pages\":\"\"},\"PeriodicalIF\":2.4000,\"publicationDate\":\"2025-10-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Solar Physics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11207-025-02543-8\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ASTRONOMY & ASTROPHYSICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Solar Physics","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s11207-025-02543-8","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
HEL1OS – A Hard X-ray Spectrometer on Board Aditya-L1
HEL1OS (\(\mathbf{H}\)igh \(\mathbf{E}\)nergy L1\(\mathbf{O}\)rbiting X-ray \(\mathbf{S}\)pectrometer) is one of the remote sensing payloads on board Aditya-L1 mission designed to continuously monitor and measure the time-resolved spectra of solar flares between 8 keV and 150 keV. This broad energy range has been covered by using compound semiconductor detectors: cadmium telluride (CdTe: 8 – 70 keV) and cadmium zinc telluride (CZT: 20 – 150 keV) with geometric areas of 0.5 cm2 and 32 cm2, respectively. A stainless steel collimator provides a field-of-view of 6° × 6° optimized to limit the off-axis response while keeping the design within the instrument mass constraints. The in-house designed low-noise digital pulse processing-based front-end electronics has achieved a spectral resolution of ≈ 1 keV at 14 keV (CdTe) and ≈ 7 keV at 60 keV (CZT). The instrument is also equipped with processing and power electronics to process the signal, drive the electronics, bias the detectors with required low and high voltages for optimal performance of the overall system. In this article, we present design aspects of the instrument, results from the pre-launch ground-based tests, and the in-orbit operations, which have indicated optimal performance in line with that expected.
期刊介绍：
Solar Physics was founded in 1967 and is the principal journal for the publication of the results of fundamental research on the Sun. The journal treats all aspects of solar physics, ranging from the internal structure of the Sun and its evolution to the outer corona and solar wind in interplanetary space. Papers on solar-terrestrial physics and on stellar research are also published when their results have a direct bearing on our understanding of the Sun.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
