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Water Production Rates from SOHO/SWAN Observations of Comets C/2017 K2 (PanSTARRS) and C/2022 E3 (ZTF)
Michael Combi, Terhi Mäkinen, Jean-Loup Bertaux +2
In 2022 and 2023 the hydrogen comae of two long period comets, C/2017 K2 (PanSTARRS) and C/2022 E3 (ZTF), were observed with the Solar Wind ANisotropies (SWAN) all-sky hydrogen Lym…
Water Production Rates from SOHO/SWAN Observations of Comets C/2020 S3 (Erasmus), C/2021 A1 (Leonard) and C/2021 O3 (PanSTARRS)
M. R. Combi, T. Mäkinen, J. -L. Bertaux +2
In 2021 and 2022 the hydrogen comae of three long period comets, C/2020 S3 (Erasmus), C/2021 A1 (Leonard) and C/2021 O3 (PanSTARRS) were observed with the Solar Wind ANisotropies (…
Water Production Rates from SOHO/SWAN Observations of Six comets: 2017-2020
Michael R. Combi, Terhi Mäkinen, Jean-Loup. Bertaux +3
The Solar Wind ANisotropies (SWAN) all-sky hydrogen Lyman-alpha camera on the SOlar and Heliosphere Observer (SOHO) satellite makes daily images of the entire sky to monitor the th…
Comet 21P/Giacobini-Zinner: Water Production Activity over 20 Years with SOHO/SWAN
Michael R. Combi, Terhi Mäkinen, Jean-Loup. Bertaux +3
In 1985 Comet 21P/Giacobini-Zinner was the first comet visited by a spacecraft, the International Cometary Explorer (ICE) satellite, several months before the armada of Halley spac…
Water Production Rate of C/2020 F3 (NEOWISE) from SOHO/SWAN over Its Active Apparition
M. R. Combi, T. Mäkinen, J. -L. Bertaux +2
C/2020 F3 (NEOWISE) was discovered in images from the Near Earth Object program of the Wide-Field Infrared Survey Explorer (NEOWISE) taken on 27 March 2020 and has become the Great…
Comet 41P/Tuttle-Giacobini-Kresak, 45P/Honda-Mrkos-Pajdusakova, and 46P/Wirtanen: Water Production Activity over 21 Years with SOHO/SWAN
M. R. Combi, T. Mäkinen, J. -L. Bertaux +3
In 2017, 2018 and 2019, comets 46P/Wirtanen, 45P/Honda-Mrkos-Pajdusakova, and 41P/Tuttle-Giacobini-Kresak all had perihelion passages. Their hydrogen comae were observed by the Sol…