Photo-dynamical characterisation of the TOI-178 resonant chain

Autor: Leleu, A., Delisle, J. -B., Delrez, L., Bryant, E. M., Brandeker, A., Osborn, H. P., Hara, N., Wilson, T. G., Billot, N., Lendl, M., Ehrenreich, D., Chakraborty, H., Günther, M. N., Hooton, M. J., Alibert, Y., Alonso, R., Alves, D. R., Anderson, D. R., Apergis, I., Armstrong, D., Bárczy, T., Navascues, D. Barrado, Barros, S. C. C., Battley, M. P., Baumjohann, W., Bayliss, D., Beck, T., Benz, W., Borsato, L., Broeg, C., Burleigh, M. R., Casewell, S. L., Cameron, A. Collier, Correia, A. C. M., Csizmadia, Sz., Cubillos, P. E., Davies, M. B., Deleuil, M., Deline, A., Demangeon, O. D. S., Demory, B. -O., Derekas, A., Edwards, B., Erikson, A., Fortier, A., Fossati, L., Fridlund, M., Gandolfi, D., Gazeas, K., Gillen, E., Gillon, M., Goad, M. R., Güdel, M., Hawthorn, F., Heitzmann, A., Helling, Ch., Isaak, K. G., Jenkins, J. S., Jenkins, J. M., Kendall, A., Kiss, L. L., Korth, J., Lam, K. W. F., Laskar, J., Latham, D. W., Etangs, A. Lecavelier des, Magrin, D., Maxted, P. F. L., McCormac, J., Mordasini, C., Moyano, M., Nascimbeni, V., Olofsson, G., Osborn, A., Ottensamer, R., Pagano, I., Pallé, E., Peter, G., Piotto, G., Pollacco, D., Queloz, D., Ragazzoni, R., Rando, N., Rauer, H., Ribas, I., Ricker, G., Saha, S., Santos, N. C., Scandariato, G., Seager, S., Ségransan, D., Simon, A. E., Smith, A. M. S., Sousa, S. G., Stalport, M., Sulis, S., Szabó, Gy. M., Udry, S., Van Grootel, V., Vanderspek, R., Venturini, J., Villaver, E., Vinés, J. I., Walton, N. A., West, R. G., Winn, J., Zivave, T.

Publikováno v: A&A 688, A211 (2024)

The TOI-178 system consists of a nearby late K-dwarf transited by six planets in the super-Earth to mini-Neptune regime, with radii ranging from 1.2 to 2.9 earth radius and orbital periods between 1.9 and 20.7 days. All planets but the innermost one

Externí odkaz: http://arxiv.org/abs/2405.13732

The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD88986

Autor: Heidari, N., Boisse, I., Hara, N. C., Wilson, T. G., Kiefer, F., Hébrard, G., Philipot, F., Hoyer, S., Stassun, K. G., Henry, G. W., Santos, N. C., Acuña, L., Almasian, D., Arnold, L., Astudillo-Defru, N., Attia, O., Bonfils, X., Bouchy, F., Bourrier, V., Collet, B., Cortés-Zuleta, P., Carmona, A., Delfosse, X., Dalal, S., Deleuil, M., Demangeon, O. D. S., Díaz, R. F., Dumusque, X., Ehrenreich, D., Forveille, T., Hobson, M. J., Jenkins, J. S., Jenkins, J. M., Lagrange, A. M., Latham, D. W., Larue, P., Liu, J., Moutou, C., Mignon, L., Osborn, H. P., Pepe, F., Rapetti, D., Rodrigues, J., Santerne, A., Segransan, D., Shporer, A., Sulis, S., Torres, G., Udry, S., Vakili, F., Vanderburg, A., Venot, O., Vivien, H. G., Vines, J. I.

Publikováno v: A&A 681, A55 (2024)

Transiting planets with orbital periods longer than 40 d are extremely rare among the 5000+ planets discovered so far. The lack of discoveries of this population poses a challenge to research into planetary demographics, formation, and evolution. Her

Externí odkaz: http://arxiv.org/abs/2311.13513

Transit Timing Variations in the three-planet system: TOI-270

Autor: Kaye, Laurel, Vissapragada, Shreyas, Gunther, Maximilian N., Aigrain, Suzanne, Mikal-Evans, Thomas, Jensen, Eric L. N., Parviainen, Hannu, Pozuelos, Francisco J., Abe, Lyu, Acton, Jack S., Agabi, Abdelkrim, Alves, Douglas R., Anderson, David R., Armstrong, David J., Barkaoui, Khalid, Barragan, Oscar, Benneke, Bjorn, yd, Patricia T. Bo, Brahm, Rafael, Bruni, Ivan, Bryant, Edward M., Burleigh, Matthew R., Casewell, Sarah L., Ciardi, David, Cloutier, Ryan, Collins, Karen A., Collins, Kevin I., Conti, Dennis M., Crossfield, Ian J. M., Crouzet, Nicolas, Daylan, Tansu, Dragomir, Diana, Dransfield, Georgina, abrycky, Daniel F, Fausnaugh, Michael, Fuuresz, Gabor, Gan, Tianjun, Gill, Samuel, Gillon, Michael, Goad, Michael R, Gorjian, Varoujan, Greklek-McKeon, Michael, Guerrero, Natalia, Guillot, Tristan, Jehin, Emmanuel, Jenkins, J. S., Lendl, Monika, Kamler, Jacob, Kane, Stephen R., Kielkopf, John F., Kunimoto, Michelle, Marie-Sainte, Wenceslas, McCormac, James, Mekarnia, Djamel, Morales, Farisa Y., Moyano, Maximiliano, Palle, Enric, Parmentier, Vivien, Relles, Howard M., Schmider, Francois-Xavier, Schwarz, Richard P., Seager, S., Smith, Alexis M. S., Tan, Thiam-Guan, Taylor, Jake, Triaud, Amaury H. M. J., Twicken, Joseph D., Udry, Stephane, Vines, J. I., Wang, Gavin, Wheatley, Peter J., Winn, Joshua N.

Publikováno v: Monthly Notices of the Royal Astronomical Society, Volume 510, Issue 4, pp.5464-5485 (2022)

We present ground and space-based photometric observations of TOI-270 (L231-32), a system of three transiting planets consisting of one super-Earth and two sub-Neptunes discovered by TESS around a bright (K-mag=8.25) M3V dwarf. The planets orbit near

Externí odkaz: http://arxiv.org/abs/2308.10763

Radial Velocity Survey for Planets around Young stars (RVSPY) A transiting warm super-Jovian planet around HD 114082, a young star with a debris disk

Autor: Zakhozhay, O., Launhardt, R., Trifonov, T., Kürster, M., Reffert, S., Henning, Th., Brahm, R., Vinés, J., Marleau, G. -D., Patel, J.

Publikováno v: A&A 667, L14 (2022)

Aiming to detect planetary companions to young stars with debris disks via the radial velocity method, we observed HD114082 during April 2018 - August 2022 as one of the targets of our RVSPY program (Radial Velocity Survey for Planets around Young st

Externí odkaz: http://arxiv.org/abs/2211.08294

Six transiting planets and a chain of Laplace resonances in TOI-178

Autor: Leleu, A., Alibert, Y., Hara, N. C., Hooton, M. J., Wilson, T. G., Robutel, P., Delisle, J. -B., Laskar, J., Hoyer, S., Lovis, C., Bryant, E. M., Ducrot, E., Cabrera, J., Delrez, L., Acton, J. S., Adibekyan, V., Allart, R., Prieto, C. Allende, Alonso, R., Alves, D., Anderson, D. R., Angerhausen, D., Escudé, G. Anglada, Asquier, J., Barrado, D., Barros, S. C. C., Baumjohann, W., Bayliss, D., Beck, M., Beck, T., Bekkelien, A., Benz, W., Billot, N., Bonfanti, A., Bonfils, X., Bouchy, F., Bourrier, V., Boué, G., Brandeker, A., Broeg, C., Buder, M., Burdanov, A., Burleigh, M. R., Bárczy, T., Cameron, A. C., Chamberlain, S., Charnoz, S., Cooke, B. F., Van Damme, C. Corral, Correia, A. C. M., Cristiani, S., Damasso, M., Davies, M. B., Deleuil, M., Demangeon, O. D. S., Demory, B. -O., Di Marcantonio, P., Di Persio, G., Dumusque, X., Ehrenreich, D., Erikson, A., Figueira, P., Fortier, A., Fossati, L., Fridlund, M., Futyan, D., Gandolfi, D., Muñoz, A. García, Garcia, L. J., Gill, S., Gillen, E., Gillon, M., Goad, M. R., Hernández, J. I. González, Guedel, M., Günther, M. N., Haldemann, J., Henderson, B., Heng, K., Hogan, A. E., Isaak, K., Jehin, E., Jenkins, J. S., Jordán, A., Kiss, L., Kristiansen, M. H., Lam, K., Lavie, B., Etangs, A. Lecavelier des, Lendl, M., Lillo-Box, J., Curto, G. Lo, Magrin, D., Martins, C. J. A. P., Maxted, P. F. L., McCormac, J., Mehner, A., Micela, G., Molaro, P., Moyano, M., Murray, C. A., Nascimbeni, V., Nunes, N. J., Olofsson, G., Osborn, H. P., Oshagh, M., Ottensamer, R., Pagano, I., Pallé, E., Pedersen, P. P., Pepe, F. A., Persson, C. M., Peter, G., Piotto, G., Polenta, G., Pollacco, D., Poretti, E., Pozuelos, F. J., Queloz, D., Ragazzoni, R., Rando, N., Ratti, F., Rauer, H., Raynard, L., Rebolo, R., Reimers, C., Ribas, I., Santos, N. C., Scandariato, G., Schneider, J., Sebastian, D., Sestovic, M., Simon, A. E., Smith, A. M. S., Sousa, S. G., Sozzetti, A., Steller, M., Mascareño, A. Suárez, Szabó, Gy. M., Ségransan, D., Thomas, N., Thompson, S., Tilbrook, R. H., Triaud, A., Turner, O., Udry, S., Van Grootel, V., Venus, H., Verrecchia, F., Vines, J. I., Walton, N. A., West, R. G., Wheatley, P. J., Wolter, D., Osorio, M. R. Zapatero

Determining the architecture of multi-planetary systems is one of the cornerstones of understanding planet formation and evolution. Resonant systems are especially important as the fragility of their orbital configuration ensures that no significant

Externí odkaz: http://arxiv.org/abs/2101.09260