# EHT Data Products ## expand\_more Sort**EHT Data Product Code****Title****Author(s)****Last Updated****Access Link(s)****Reference** **EHT L1 Data Releases (landing page):** 2025-D02-01 2021 EHT Observations: Complete L1 Data Products The EHT Collaboration et al. Sep 16, 2025 [ALMA Science Portal](https://almascience.nrao.edu/alma-data/eht-2021) and [CyVerse Data Commons (10.25739/vddx-w132)](https://datacommons.cyverse.org/browse/iplant/home/shared/commons_repo/curated/EHTC_2021L1_Dec2025) [The Event Horizon Telescope Collaboration, et al. 2025, A&A](//doi.org/10.1051/0004-6361/202555855) **2025-D01-01** 2018 EHT Observations: Complete L1 Data Products The EHT Collaboration et al. Jan 6, 2025 [ALMA Science Portal](https://almascience.nrao.edu/alma-data/eht-2018) and [CyVerse Data Commons (10.25739/v7hh-6244)](https://datacommons.cyverse.org/browse/iplant/home/shared/commons_repo/curated/EHTC_2018L1_Dec2024) [The Event Horizon Telescope Collaboration, et al. 2024, A&A, 681, A79](https://doi.org/10.1051/0004-6361/202347932) **2024-D02-01** EHT Sagittarius A* Polarized Data The EHT Collaboration et al. Mar. 27, 2024 [CyVerse Data Commons (DOI: 10.25739/k39c-mh27)](https://doi.org/10.25739/k39c-mh27) [The Event Horizon Telescope Collaboration, et al. 2024b, ApJL, 964, L25 (Sgr A\* Paper VII)](https://doi.org/10.3847/2041-8213/ad2df0) **2024-D01-01** 2018 M87 EHT Results: Calibrated Data The EHT Collaboration et al. Mar. 2024 [CyVerse Data Commons (DOI: https://doi.org/10.25739/epm5-r371 )](https://doi.org/10.25739/epm5-r371) [The Event Horizon Telescope Collaboration, et al. 2024, A&A, 681, A79](https://doi.org/10.1051/0004-6361/202347932) **2023-D01-01** First M87 EHT Results: Calibrated Polarimetric Data The EHT Collaboration et al. 8 Nov. 2023 [CyVerse Data Commons (DOI: 10.25739/q46m-m857)](https://nam11.safelinks.protection.outlook.com/?url=http://doi.org/10.25739/q46m-m857&data=05%7C01%7Crichard.anantua@utsa.edu%7C750ad58b11a9410aa7fc08dbe077a2db%7C3a228dfbc64744cb88357b20617fc906%7C0%7C0%7C638350576673883269%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0=%7C3000%7C%7C%7C&sdata=/tbu4YuD1IUPP8ptc0CYos1aOGOKWB1XmG1dVFnQohA=&reserved=0) [The EHT Collaboration et al. 2023 (M87 Paper IX) ](https://iopscience.iop.org/article/10.3847/2041-8213/acff70) **2022-D02-03** Multi-wavelength Observations of Sgr A* During the 2017 EHT Campaign The EHT MWL Science Working Group et al. 12 May 2022 [CyVerse Data Commons (DOI: 10.25739/26fq-k306)](https://doi.org/10.25739/26fq-k306) [The EHT Collaboration et al. 2022b (Sgr A\* Paper II)](https://doi.org/10.3847/2041-8213/ac6675) **2022-D02-01** First Sagittarius A* EHT Results: Calibrated Data The EHT Collaboration et al. 12 May 2022 [CyVerse Data Commons (DOI: 10.25739/m140-ct59)](https://doi.org/10.25739/m140-ct59) [The EHT Collaboration et al. 2022b (Sgr A\* Paper II)](https://doi.org/10.3847/2041-8213/ac6675) **2022-D01-01** [2017 EHT Observations: Complete L1 Data Products](/blog/public-data-release-event-horizon-telescope-2017-observations) The EHT Collaboration et al. 9 May 2022 [ALMA Science Portal](https://almascience.org/almadata/ec/eht) and [CyVerse Data Commons (DOI: 10.25739/kat4-na03)](https://doi.org/10.25739/kat4-na03) [The EHT Collaboration et al. 2019c (M87 Paper III)](https://doi.org/10.3847/2041-8213/ab0c57) & [2022c (Sgr A\* Paper III)](https://iopscience.iop.org/article/10.3847/2041-8213/ac6429) **2021-D03-01** EHT observations of Centaurus A: Calibrated Data The EHT Collaboration et al. 19 Jul 2021 [CyVerse Data Commons (DOI: 10.25739/kejs-2n22)](http://doi.org/10.25739/kejs-2n22) [Janssen et al. 2021, Nat. Astro.](https://doi.org/10.1038/s41550-021-01417-w) **2021-D02-01** Multi-wavelength Observations of M87 During the 2017 EHT Campaign The EHT MWL Science Working Group et al. 14 Apr 2021 [CyVerse Data Commons (DOI: 10.25739/mhh2-cw46)](http://doi.org/10.25739/mhh2-cw46) [The EHT MWL Science Working Group et al. 2021, ApJL, 911, L11](https://iopscience.iop.org/article/10.3847/2041-8213/abef71) **2020-D03-01** EHT Visibility Amplitude Data of M87* in 2011-2013 The EHT Collaboration et al. 23 Sep 2020 [CyVerse Data Commons (DOI: 10.25739/daft-jz11)](https://doi.org/10.25739/daft-jz11) [Wielgus et al. 2020, ApJ, 901, 67](https://iopscience.iop.org/article/10.3847/1538-4357/abac0d) **2020-D01-01** First 3C279 EHT Results: Calibrated Data The EHT Collaboration et al. 12 Aug 2020 [CyVerse Data Commons (DOI: 10.25739/vty0-ve39)](https://doi.org/10.25739/vty0-ve39) [Kim et al. 2020, A&A, 640, A69](https://www.aanda.org/articles/aa/abs/2020/08/aa37493-20/aa37493-20.html) **2019-D01-02** First M87 EHT Results: Imaging Pipelines The EHT Collaboration et al. 24 Apr 2019 [The EHT Collaboration et al. 2019d (M87 Paper IV)](https://doi.org/10.3847/2041-8213/ab0e85) **2019-D01-01** First M87 EHT Results: Calibrated Data The EHT Collaboration et al. 10 Apr 2019 [CyVerse Data Commons (DOI: 10.25739/g85n-f134)](https://doi.org/10.25739/g85n-f134) [The EHT Collaboration et al. 2019c (M87 Paper III)](https://doi.org/10.3847/2041-8213/ab0c57)