Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-815

Psaridi, Angelica and Osborn, Hugh and Bouchy, François and Lendl, Monika and Parc, Léna and Billot, Nicolas and Broeg, Christopher and Sousa, Sérgio G. and Adibekyan, Vardan and Attia, Omar and Bonfanti, Andrea and Chakraborty, Hritam and Collins, Karen A. and Davoult, Jeanne and Delgado-Mena, Elisa and Grieves, Nolan and Guillot, Tristan and Heitzmann, Alexis and Helled, Ravit and Hellier, Coel and Jenkins, Jon M. and Knierim, Henrik and Krenn, Andreas and Lissauer, Jack J. and Luque, Rafael and Rapetti, David and Santos, Nuno C. and Suárez, Olga and Venturini, Julia and Wilkin, Francis P. and Wilson, Thomas G. and Winn, Joshua N. and Ziegler, Carl and Zingales, Tiziano and Alibert, Yann and Brandeker, Alexis and Egger, Jo Ann and Gandolfi, Davide and Hooton, Matthew J. and Tuson, Amy and Ulmer-Moll, Solène and Abe, Lyu and Allart, Romain and Alonso, Roi and Anderson, David R. and Escudé, Guillem Anglada and Bárczy, Tamas and Barrado, David and Barros, Susana C. C. and Baumjohann, Wolfgang and Beck, Mathias and Beck, Thomas and Benz, Willy and Bonfils, Xavier and Borsato, Luca and Bourrier, Vincent and Ciardi, David R. and Cameron, Andrew Collier and Charnoz, Sébastien and Cointepas, Marion and Csizmadia, Szilárd and Cubillos, Patricio and Lo Curto, Gaspare and Davies, Melvyn B. and Daylan, Tansu and Deleuil, Magali and Deline, Adrien and Delrez, Laetitia and Demangeon, Olivier D. S. and Demory, Brice-Olivier and Dorn, Caroline and Dumusque, Xavier and Ehrenreich, David and Erikson, Anders and Lecavelier des Etangs, Alain and de Miguel, Diana and Fortier, Andrea and Fossati, Luca and Frensch, Yolanda G. C. and Fridlund, Malcolm and Gillon, Michaël and Güdel, Manuel and Günther, Maximilian N. and Hagelberg, Janis and Helling, Christiane and Hoyer, Sergio and Isaak, Kate G. and Kiss, Laszlo L. and Lam, Kristine W. F. and Laskar, Jacques and Lavie, Baptiste and Lovis, Christophe and Magrin, Demetrio and Marafatto, Luca and Maxted, Pierre and McDermott, Scott and Mékarnia, Djamel and Mordasini, Christoph and Murgas, Felipe and Nascimbeni, Valerio and Nielsen, Louise D. and Olofsson, Göran and Ottensamer, Roland and Pagano, Isabella and Pallé, Enric and Peter, Gisbert and Piotto, Giampaolo and Pollacco, Don and Queloz, Didier and Ragazzoni, Roberto and Ramos, Devin and Rando, Nicola and Rauer, Heike and Reimers, Christian and Ribas, Ignasi and Seager, Sara and Ségransan, Damien and Scandariato, Gaetano and Simon, Attila E. and Smith, Alexis M. S. and Stalport, Manu and Steller, Manfred and Szabó, Gyula and Thomas, Nicolas and Pritchard, Tyler A. and Udry, Stéphane and Corral Van Damme, Carlos and Van Grootel, Valérie and Villaver, Eva and Walter, Ingo and Walton, Nicholas and Watkins, Cristilyn N. and West, Richard G.

A&A