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Boldog, Á, Szabó, GM, Kriskovics, L, Brandeker, A, Kiefer, F, Bekkelien, A, Guterman, P, Olofsson, G, Simon, AE, Gandolfi, D, Serrano, LM, Wilson, TG, Sousa, SG, Etangs, ALD, Alibert, Y, Alonso, R, Anglada, G, Bandy, T, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Bonfils, X, Broeg, C, Buder, M, Cabrera, J, Charnoz, S, Cameron, AC, Damme, CCV, Csizmadia, S, Davies, MB, Deline, A, Deleuil, M, Delrez, L, Demangeon, ODS, Demory, B-O, Ehrenreich, D, Erikson, A, Farinato, J, Fortier, A, Fossati, L, Fridlund, M, Gillon, M, Güdel, M, Heng, K, Hoyer, S, Isaak, KG, Kiss, LL, Laskar, J, Lendl, M, Lovis, C, Magrin, D, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Mecina, M, Nascimbeni, V, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, NC, Scandariato, G, Ségransan, D, Smith, AMS, Steller, M, Thomas, N, Udry, S, Grootel, VV and Walton, NA (2023) Glancing through the debris disk: Photometric analysis of DE Boo with CHEOPS. Astronomy & Astrophysics.

Hawthorn, F, Bayliss, D, Wilson, TG, Bonfanti, A, Adibekyan, V, Alibert, Y, Sousa, SG, Collins, KA, Bryant, EM, Osborn, A, Armstrong, DJ, Abe, L, Acton, JS, Addison, BC, Agabi, K, Alonso, R, Alves, DR, Anglada-Escudé, G, Bárczy, T, Barclay, T, Barrado, D, Barros, SCC, Baumjohann, W, Bendjoya, P, Benz, W, Bieryla, A, Bonfils, X, Bouchy, F, Brandeker, A, Broeg, C, Brown, DJA, Burleigh, MR, Buttu, M, Cabrera, J, Caldwell, DA, Casewell, SL, Charbonneau, D, Charnoz, S, Cloutier, R, Cameron, AC, Collins, KI, Conti, DM, Crouzet, N, Czismadia, S, Davies, MB, Deleuil, M, Delgado-Mena, E, Delrez, L, Demangeon, ODS, Demory, B-O, Dransfield, G, Dumusque, X, Egger, JA, Ehrenreich, D, Eigmüller, P, Erickson, A, Essack, Z, Fortier, A, Fossati, L, Fridlund, M, Günther, MN, Güdel, M, Gandolfi, D, Gillard, H, Gillon, M, Gnilka, C, Goad, MR, Goeke, RF, Guillot, T, Hadjigeorghiou, A, Hellier, C, Henderson, BA, Heng, K, Hooton, MJ, Horne, K, Howell, SB, Hoyer, S, Irwin, JM, Jenkins, JS, Jenkins, JM, Jensen, ELN, Kane, SR, Kendall, A, Kielkopf, JF, Kiss, LL, Lacedelli, G, Laskar, J, Latham, DW, Etangs, ALD, Leleu, A, Lendl, M, Lillo-Box, J, Lovis, C, Mékarnia, D, Massey, B, Masters, T, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Nascimbeni, V, Nielsen, LD, O’Brien, SM, Olofsson, G, Osborn, HP, Pagano, I, Pallé, E, Persson, CM, Piotto, G, Plavchan, P, Pollacco, D, Queloz, D, Ragazzoni, R, Rauer, H, Ribas, I, Ricker, G, Ségransan, D, Salmon, S, Santerne, A, Santos, NC, Scandariato, G, Schmider, F-X, Schwarz, RP, Seager, S, Shporer, A, Simon, AE, Smith, AMS, Srdoc, G, Steller, M, Suarez, O, Szabó, GM, Teske, J, Thomas, N, Tilbrook, RH, Triaud, AHMJ, Udry, S, Van Grootel, V, Walton, N, Wang, SX, Wheatley, PJ, Winn, JN, Wittenmyer, RA and Zhang, H (2023) TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf. Monthly Notices of the Royal Astronomical Society, 520 (3). 3649 - 3668.

Sebastian, D, Swayne, MI, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Triaud, AHMJ, Sousa, SG, Olofsson, G, Beck, M, Billot, N, Hoyer, S, Gill, S, Heidari, N, Martin, DV, Persson, CM, Standing, MR, Alibert, Y, Alonso, R, Anglada, G, Asquier, J, Bárczy, T, Barrado, D, Barros, SCC, Battley, MP, Baumjohann, W, Beck, T, Benz, W, Bergomi, M, Boisse, I, Bonfils, X, Brandeker, A, Broeg, C, Cabrera, J, Charnoz, S, Cameron, AC, Csizmadia, S, Davies, MB, Deleuil, M, Delrez, L, Demangeon, ODS, Demory, B-O, Dransfield, G, Ehrenreich, D, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, Gillon, M, Güdel, M, Hasiba, J, Hébrard, G, Heng, K, Isaak, KG, Kiss, LL, Kopp, E, Kunovac, V, Laskar, J, des Etangs, AL, Lendl, M, Lovis, C, Magrin, D, McCormac, J, Miller, NJ, Nascimbeni, V, Ottensamer, R, Pagano, I, Pallé, E, Pepe, FA, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Lalitha, S, Santerne, A, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Smith, AMS, Steller, M, Szabó, GM, Thomas, N, Udry, S, Van Grootel, V and Walton, NA (2022) The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves. Monthly Notices of the Royal Astronomical Society.

Osborn, HP, Bonfanti, A, Gandolfi, D, Hedges, C, Leleu, A, Fortier, A, Futyan, D, Gutermann, P, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Borsato, L, Collins, KA, Gomes da Silva, J, Gómez Maqueo Chew, Y, Hooton, MJ, Lendl, M, Parviainen, H, Salmon, S, Schanche, N, Serrano, LM, Sousa, SG, Tuson, A, Ulmer-Moll, S, Van Grootel, V, Wells, RD, Wilson, TG, Alibert, Y, Alonso, R, Anglada, G, Asquier, J, Barrado y Navascues, D, Baumjohann, W, Beck, T, Benz, W, Biondi, F, Bonfils, X, Bouchy, F, Brandeker, A, Broeg, C, Bárczy, T, Barros, SCC, Cabrera, J, Charnoz, S, Collier Cameron, A, Csizmadia, S, Davies, MB, Deleuil, M, Delrez, L, Demory, B-O, Ehrenreich, D, Erikson, A, Fossati, L, Fridlund, M, Gillon, M, Gömez-Munoz, MA, Güdel, M, Heng, K, Hoyer, S, Isaak, KG, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lovis, C, Magrin, D, Malavolta, L, McCormac, J, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piazza, D, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Reimers, C, Ribas, I, Demangeon, ODS, Smith, AMS, Sabin, L, Santos, N, Scandariato, G, Schroffenegger, U, Schwarz, RP, Shporer, A, Simon, AE, Steller, M, Szabó, GM, Ségransan, D, Thomas, N, Udry, S, Walter, I and Walton, N (2022) Uncovering the true periods of the young sub-Neptunes orbiting TOI-2076. Astronomy & Astrophysics, 664. A156 - A156.

Brandeker, A, Heng, K, Lendl, M, Patel, JA, Morris, BM, Broeg, C, Guterman, P, Beck, M, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Demangeon, O, Delrez, L, Demory, B-O, Kitzmann, D, Santos, NC, Singh, V, Alibert, Y, Alonso, R, Anglada, G, Bárczy, T, Barrado y Navascues, D, Barros, SCC, Baumjohann, W, Beck, T, Benz, W, Billot, N, Bonfils, X, Bruno, G, Cabrera, J, Charnoz, S, Collier Cameron, A, Corral van Damme, C, Csizmadia, S, Davies, MB, Deleuil, M, Deline, A, Ehrenreich, D, Erikson, A, Farinato, J, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, Gillon, M, Güdel, M, Hoyer, S, Isaak, KG, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lovis, C, Luntzer, A, Magrin, D, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Scandariato, G, Ségransan, D, Simon, AE, Smith, AMS, Sousa, SG, Steller, M, Szabó, GM, Thomas, N, Udry, S, Van Grootel, V, Walton, N and Wolter, D (2022) CHEOPS geometric albedo of the hot Jupiter HD 209458 b. Astronomy & Astrophysics, 659. L4 - L4.

Barros, SCC, Akinsanmi, B, Boué, G, Smith, AMS, Laskar, J, Ulmer-Moll, S, Lillo-Box, J, Queloz, D, Collier Cameron, A, Sousa, SG, Ehrenreich, D, Hooton, MJ, Bruno, G, Demory, B-O, Correia, ACM, Demangeon, ODS, Wilson, TG, Bonfanti, A, Hoyer, S, Alibert, Y, Alonso, R, Anglada Escudé, G, Barbato, D, Bárczy, T, Barrado, D, Baumjohann, W, Beck, M, Beck, T, Benz, W, Bergomi, M, Billot, N, Bonfils, X, Bouchy, F, Brandeker, A, Broeg, C, Cabrera, J, Cessa, V, Charnoz, S, Damme, CCV, Davies, MB, Deleuil, M, Deline, A, Delrez, L, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, García Muñoz, A, Gillon, M, Güdel, M, Isaak, KG, Heng, K, Kiss, L, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, Nascimbeni, V, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Parviainen, H, Peter, G, Piotto, G, Pollacco, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Salmon, S, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Steller, M, Szabó, GM, Thomas, N, Udry, S, Ulmer, B, Van Grootel, V and Walton, NA (2022) Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS (Corrigendum). Astronomy & Astrophysics, 658.

Hooton, MJ, Hoyer, S, Kitzmann, D, Morris, BM, Smith, AMS, Collier Cameron, A, Futyan, D, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Queloz, D, Demory, B-O, Heng, K, Lendl, M, Cabrera, J, Csizmadia, S, Deline, A, Parviainen, H, Salmon, S, Sulis, S, Wilson, TG, Bonfanti, A, Brandeker, A, Demangeon, ODS, Oshagh, M, Persson, CM, Scandariato, G, Alibert, Y, Alonso, R, Anglada Escudé, G, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Bonfils, X, Bourrier, V, Broeg, C, Busch, M-D, Charnoz, S, Davies, MB, Deleuil, M, Delrez, L, Ehrenreich, D, Erikson, A, Farinato, J, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, Gillon, M, Güdel, M, Isaak, KG, Jones, K, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lovis, C, Luntzer, A, Magrin, D, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Ragazzoni, R, Rando, N, Ratti, F, Rauer, H, Ribas, I, Santos, NC, Ségransan, D, Simon, AE, Sousa, SG, Steller, M, Szabó, GM, Thomas, N, Udry, S, Ulmer, B, Van Grootel, V and Walton, NA (2022) Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection. Astronomy & Astrophysics, 658.

Barros, SCC, Akinsanmi, B, Boué, G, Smith, AMS, Laskar, J, Ulmer-Moll, S, Lillo-Box, J, Queloz, D, Cameron, AC, Sousa, SG, Ehrenreich, D, Hooton, MJ, Bruno, G, Demory, B-O, Correia, ACM, Demangeon, ODS, Wilson, TG, Bonfanti, A, Hoyer, S, Alibert, Y, Alonso, R, Escudé, GA, Barbato, D, Bárczy, T, Barrado, D, Baumjohann, W, Beck, M, Beck, T, Benz, W, Bergomi, M, Billot, N, Bonfils, X, Bouchy, F, Brandeker, A, Broeg, C, Cabrera, J, Cessa, V, Charnoz, S, Damme, CCV, Davies, MB, Deleuil, M, Deline, A, Delrez, L, Erikson, A, Fortier, A, Fossati, L, Fridlund, M, Gandolfi, D, Muñoz, AG, Gillon, M, Güdel, M, Isaak, KG, Heng, K, Kiss, L, des Etangs, AL, Lendl, M, Lovis, C, Magrin, D, Nascimbeni, V, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Parviainen, H, Peter, G, Piotto, G, Pollacco, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Steller, M, Szabó, GM, Thomas, N, Udry, S, Ulmer, B, Van Grootel, V and Walton, NA (2022) Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS. Astronomy & Astrophysics, 657 (A52).

Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Ehrenreich, D, Wilson, TG, Alibert, Y, Cameron, AC, Hoyer, S, Sousa, SG, Olofsson, G, Bekkelien, A, Deline, A, Delrez, L, Bonfanti, A, Borsato, L, Alonso, R, Escudé, GA, Barrado, D, Barros, SCC, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Biondi, F, Bonfils, X, Brandeker, A, Broeg, C, Bárczy, T, Cabrera, J, Charnoz, S, Van Damme, CC, Csizmadia, S, Davies, MB, Deleuil, M, Demangeon, ODS, Demory, B-O, Erikson, A, Florén, HG, Fortier, A, Fossati, L, Fridlund, M, Futyan, D, Gandolfi, D, Gillon, M, Guedel, M, Guterman, P, Heng, K, Isaak, KG, Kiss, L, Laskar, J, Etangs, ALD, Lendl, M, Lovis, C, Magrin, D, Nascimbeni, V, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Pozuelos, FJ, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Reimers, C, Ribas, I, Santos, NC, Scandariato, G, Simon, AE, Smith, AMS, Steller, M, Swayne, MI, Szabó, GM, Ségransan, D, Thomas, N, Udry, S, Van Grootel, V and Walton, NA (2021) Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops. Monthly Notices of the Royal Astronomical Society, 514 (1). pp. 77-104.

Van Grootel, V, Pozuelos, FJ, Thuillier, A, Charpinet, S, Delrez, L, Beck, M, Fortier, A, Hoyer, S, Sousa, SG, Barlow, BN, Billot, N, Dévora-Pajares, M, Østensen, RH, Alibert, Y, Alonso, R, Anglada Escudé, G, Asquier, J, Barrado, D, Barros, SCC, Baumjohann, W, Beck, T, Bekkelien, A, Benz, W, Bonfils, X, Brandeker, A, Broeg, C, Bruno, G, Bárczy, T, Cabrera, J, Cameron, AC, Charnoz, S, Davies, MB, Deleuil, M, Demangeon, ODS, Demory, B-O, Ehrenreich, D, Erikson, A, Fossati, L, Fridlund, M, Futyan, D, Gandolfi, D, Gillon, M, Guedel, M, Heng, K, Isaak, KG, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Magrin, D, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Mecina, M, Mustill, AJ, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Plesseria, J-Y, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Santos, NC, Scandariato, G, Ségransan, D, Silvotti, R, Simon, AE, Smith, AMS, Steller, M, Szabó, GM, Thomas, N, Udry, S, Viotto, V, Walton, NA, Westerdorff, K and Wilson, TG (2021) A search for transiting planets around hot subdwarfs. Astronomy & Astrophysics, 650 (A205).

Delrez, L, Ehrenreich, D, Alibert, Y, Bonfanti, A, Borsato, L, Fossati, L, Hooton, MJ, Hoyer, S, Pozuelos, FJ, Salmon, S, Sulis, S, Wilson, TG, Adibekyan, V, Bourrier, V, Brandeker, A, Charnoz, S, Deline, A, Guterman, P, Haldemann, J, Hara, N, Oshagh, M, Sousa, SG, Van Grootel, V, Alonso, R, Anglada-Escudé, G, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Beck, M, Bekkelien, A, Benz, W, Billot, N, Bonfils, X, Broeg, C, Cabrera, J, Collier Cameron, A, Davies, MB, Deleuil, M, Delisle, J-B, Demangeon, ODS, Demory, B-O, Erikson, A, Fortier, A, Fridlund, M, Futyan, D, Gandolfi, D, Garcia Muñoz, A, Gillon, M, Guedel, M, Heng, K, Kiss, L, Laskar, J, Lecavelier des Etangs, A, Lendl, M, Lovis, C, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Nascimbeni, V, Olofsson, G, Osborn, HP, Pagano, I, Pallé, E, Piotto, G, Pollacco, D, Queloz, D, Rauer, H, Ragazzoni, R, Ribas, I, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Smith, AMS, Steller, M, Szabó, GM, Thomas, N, Udry, S and Walton, NA (2021) Transit detection of the long-period volatile-rich super-Earth ν2 Lupi d with CHEOPS. Nature Astronomy, 5 (8). pp. 775-787.

Lendl, M, Csizmadia, S, Deline, A, Fossati, L, Kitzmann, D, Heng, K, Hoyer, S, Salmon, S, Benz, W, Broeg, C, Ehrenreich, D, Fortier, A, Queloz, D, Bonfanti, A, Brandeker, A, Collier Cameron, A, Delrez, L, Garcia Mu noz, A, Hooton, MJ, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Morris, BM, Van Grootel, V, Wilson, TG, Alibert, Y, Alonso, R, Asquier, J, Bandy, T, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Beck, M, Beck, T, Bekkelien, A, Bergomi, M, Billot, N, Biondi, F, Bonfils, X, Bourrier, V, Busch, M-D, Cabrera, J, Cessa, V, Charnoz, S, Chazelas, B, Corral Van Damme, C, Davies, MB, Deleuil, M, Demangeon, ODS, Demory, B-O, Erikson, A, Farinato, J, Fridlund, M, Futyan, D, Gandolfi, D, Gillon, M, Guterman, P, Hasiba, J, Hernandez, E, Isaak, KG, Kiss, L, Kuntzer, T, Lecavelier des Etangs, A, Lüftinger, T, Laskar, J, Lovis, C, Magrin, D, Malvasio, L, Marafatto, L, Michaelis, H, Munari, M, Nascimbeni, V, Olofsson, G, Ottacher, H, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piazza, D, Piotto, G, Pollacco, D, Ratti, F, Rauer, H, Ragazzoni, R, Rando, N, Ribas, I, Rieder, M, Rohlfs, R, Safa, F, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Singh, V, Smith, AMS, Sordet, M, Sousa, SG, Steller, M, Szabó, GM, Thomas, N, Tschentscher, M, Udry, S, Viotto, V, Walter, I, Walton, NA, Wildi, F and Wolter, D (2020) The hot dayside and asymmetric transit of WASP-189 b seen by CHEOPS. Astronomy and Astrophysics, 643.

Benz, W, Broeg, C, Fortier, A, Rando, N, Beck, T, Beck, M, Queloz, D, Ehrenreich, D, Maxted, PFL ORCID: https://orcid.org/0000-0003-3794-1317, Isaak, KG, Billot, N, Alibert, Y, Alonso, R, António, C, Asquier, J, Bandy, T, Bárczy, T, Barrado, D, Barros, SCC, Baumjohann, W, Bekkelien, A, Bergomi, M, Biondi, F, Bonfils, X, Borsato, L, Brandeker, A, Busch, M-D, Cabrera, J, Cessa, V, Charnoz, S, Chazelas, B, Collier Cameron, A, Corral Van Damme, C, Cortes, D, Davies, MB, Deleuil, M, Deline, A, Delrez, L, Demangeon, O, Demory, BO, Erikson, A, Farinato, J, Fossati, L, Fridlund, M, Futyan, D, Gandolfi, D, Garcia Munoz, A, Gillon, M, Guterman, P, Gutierrez, A, Hasiba, J, Heng, K, Hernandez, E, Hoyer, S, Kiss, LL, Kovacs, Z, Kuntzer, T, Laskar, J, Lecavelier des Etangs, A, Lendl, M, López, A, Lora, I, Lovis, C, Lüftinger, T, Magrin, D, Malvasio, L, Marafatto, L, Michaelis, H, de Miguel, D, Modrego, D, Munari, M, Nascimbeni, V, Olofsson, G, Ottacher, H, Ottensamer, R, Pagano, I, Palacios, R, Pallé, E, Peter, G, Piazza, D, Piotto, G, Pizarro, A, Pollaco, D, Ragazzoni, R, Ratti, F, Rauer, H, Ribas, I, Rieder, M, Rohlfs, R, Safa, F, Salatti, M, Santos, NC, Scandariato, G, Ségransan, D, Simon, AE, Smith, AMS, Sordet, M, Sousa, SG, Steller, M, Szabó, GM, Szoke, J, Thomas, N, Tschentscher, M, Udry, S, Van Grootel, V, Viotto, V, Walter, I, Walton, NA, Wildi, F and Wolter, D (2020) The CHEOPS mission. Experimental Astronomy.