Zobrazeno 1 - 10
of 4 360
pro vyhledávání: '"HOWELL, S."'
Autor:
Kalari, V. M., Diaz, R. J., Robertson, G., McConnachie, A., Ireland, M., Salinas, R., Young, P., Simpson, C., Hayes, C., Nielsen, J., Burley, G., Pazder, J., Gomez-Jimenez, M., Martioli, E., Howell, S. B., Jeong, M., Juneau, S., Ruiz-Carmona, R., Margheim, S., Sheinis, A., Anthony, A., Baker, G., Berg, T. A. M., Cao, T., Chapin, E., Chin, T., Chiboucas, K., Churilov, V., Deibert, E., Densmore, A., Dunn, J., Edgar, M. L., Heo, J., Henderson, D., Farrell, T., Font, J., Firpo, V., Fuentes, J., Labrie, K., Lambert, S., Lawrence, J., Lothrop, J., McDermid, R., Miller, B. W., Perez, G., Placco, V. M., Prado, P., Quiroz, C., Ramos, F., Rutten, R., Silva, K. M. G., Thomas-Osip, J., Urrutia, C., Vacca, W. D., Venn, K., Waller, F., Waller, L., White, M., Xu, S., Zhelem, R.
The Gemini South telescope is now equipped with a new high-resolution spectrograph called GHOST (the Gemini High-resolution Optical SpecTrograph). This instrument provides high-efficiency, high-resolution spectra covering 347-1060 nm in a single expo
Externí odkaz:
http://arxiv.org/abs/2409.05855
Autor:
Martioli, E., Petrucci, R. P., Jofre, E., Hebrard, G., Ghezzi, L., Chew, Y. Gomez Maqueo, Diaz, R. F., Perottoni, H. D., Garcia, L. H., Rapetti, D., Etangs, A. Lecavelier des, de Almeida, L., Arnold, L., Artigau, E., Basant, R., Bean, J. L., Bieryla, A., Boisse, I., Bonfils, X., Brady, M., Cadieux, C., Carmona, A., Cook, N. J., Delfosse, X., Donati, J. -F., Doyon, R., Furlan, E., Howell, S. B., Jenkins, J. M., Kasper, D., Kiefer, F., Latham, D. W., Levine, A. M., Lorenzo-Oliveira, D., Luque, R., McLeod, K., Melendez, J., Moutou, C., Netto, Y., Pritchard, T. A., Rowden, P., Seifahrt, A., Stefansson, G., Sturmer, J., Twicken, D. J
The sub-Jovian desert is a region in the mass-period and radius-period parameter space, typically encompassing short-period ranges between super-Earths and hot Jupiters, that exhibits an intrinsic dearth of planets. This scarcity is likely shaped by
Externí odkaz:
http://arxiv.org/abs/2409.03704
Autor:
Alqasim, A., Grieves, N., Rosário, N. M., Gandolfi, D., Livingston, J. H., Sousa, S., Collins, K. A., Teske, J. K., Fridlund, M., Egger, J. A., Cabrera, J., Hellier, C., Lanza, A. F., Van Eylen, V., Bouchy, F., Oelkers, R. J., Srdoc, G., Shectman, S., Günther, M., Goffo, E., Wilson, T., Serrano, L. M., Brandeker, A., Wang, S. X., Heitzmann, A., Bonfanti, A., Fossati, L., Alibert, Y., Delrez, L., Sefako, R., Barros, S., Collins, K. I., Demangeon, O. D. S., Albrecht, S. H., Alonso, R., Asquier, J., Barczy, T., Barrado, D., Baumjohann, W., Beck, T., Benz, W., Billot, N., Borsato, L., Broeg, C., Bryant, E. M., Butler, R. P., Cochran, W. D., Cameron, A. Collier, Correia, A. C. M., Crane, J. D., Csizmadia, Sz., Cubillos, P. E., Davies, M. B., Daylan, T., Deleuil, M., Deline, A., Demory, B. -O., Derekas, A., Edwards, B., Ehrenreich, D., Erikson, A., Essack, Z., Fortier, A., Gazeas, K., Gillon, M., Gudel, M., Hasiba, J., Hatzes, A. P., Helling, Ch., Hirano, T., Howell, S. B., Hoyer, S., Isaak, K. G., Jenkins, J. M., Kanodia, S., Kiss, L. L., Korth, J., Lam, K. W. F., Laskar, J., Etangs, A. Lecavelier des, Lendl, M., Lund, M. B., Luque, R., Mann, A. W., Magrin, D., Maxted, P. F. L., Mordasini, C., Narita, N., Nascimbeni, V., Nowak, G., Olofsson, G., Osborn, H. P., Osborne, H. L. M., Osip, D., Ottensamer, R., Pagano, I., Palle, E., Peter, G., Piotto, G., Pollacco, D., Queloz, D., Ragazzoni, R., Rando, N., Rauer, H., Redfield, S., Ribas, I., Rice, M., Ricker, G. R., Rieder, M., Salmon, S., Santos, N. C., Scandariato, G., Seager, S., Segransan, D., Shporer, A., Simon, A. E., Smith, A. M. S., Stalport, M., Szabo, Gy. M., Thompson, I., Twicken, J. D., Udry, S., Vanderspek, R., Van Grootel, V., Venturini, J., Villaver, E., Villaseñor, J., Viotto, V., Walter, I., Walton, N. A., Winn, J. N., Yee, S. W.
We report the spectroscopic confirmation and fundamental properties of TOI-757 b, a mini-Neptune on a 17.5-day orbit transiting a bright star ($V = 9.7$ mag) discovered by the TESS mission. We acquired high-precision radial velocity measurements with
Externí odkaz:
http://arxiv.org/abs/2407.20525
Autor:
Hobson, M. J., Bouchy, F., Lavie, B., Lovis, C., Adibekyan, V., Prieto, C. Allende, Alibert, Y., Barros, S. C. C., Castro-González, A., Cristiani, S., D'Odorico, V., Damasso, M., Di Marcantonio, P., Dumusque, X., Ehrenreich, D., Figueira, P., Santos, R. Génova, Hernández, J. I. González, Lillo-Box, J., Curto, G. Lo, Martins, C. J. A. P., Mehner, A., Micela, G., Molaro, P., Nunes, N. J., Palle, E., Pepe, F., Rebolo, R., Rodrigues, J., Santos, N., Sousa, S. G., Sozzetti, A., Mascareño, A. Suárez, Tabernero, H. M., Udry, S., Osorio, M. -R. Zapatero, Armstrong, D. J., Ciardi, D. R., Collins, K. A., Collins, K. I., Everett, M., Gandolfi, D., Howell, S. B., Jenkins, J. M., Kielkopf, J., Livingston, J. H., Lund, M. B., Mireles, I., Ricker, G. R., Schwarz, R. P., Seager, S., Tan, T. -G., Ting, E. B., Winn, J. N.
Publikováno v:
A&A 688, A216 (2024)
Since 2018, the ESPRESSO spectrograph at the VLT has been hunting for planets in the Southern skies via the RV method. One of its goals is to follow up candidate planets from transit surveys such as the TESS mission, particularly small planets. We an
Externí odkaz:
http://arxiv.org/abs/2406.06278
Autor:
Hori, Y., Fukui, A., Hirano, T., Narita, N., de Leon, J. P., Ishikawa, H. T., Hartman, J. D., Morello, G., García, N. Abreu, Hernández, L. Álvarez, Béjar, V. J. S., Calatayud-Borras, Y., Carleo, I., Enoc, G., Esparza-Borges, E., Fukuda, I., Galán, D., Geraldía-González, S., Hayashi, Y., Ikoma, M., Ikuta, K., Isogai, K., Kagetani, T., Kawai, Y., Kawauchi, K., Kimura, T., Kodama, T., Korth, J., Kusakabe, N., Laza-Ramos, A., Livingston, J. H., Luque, R., Miyakawa, K., Mori, M., Torres, S. Muñoz, Murgas, F., Orell-Miquel, J., Palle, E., Parviainen, H., Peláez-Torres, A., Puig-Subirá, M., Sánchez-Benavente, M., Sosa-Guillén, P., Stangret, M., Terada, Y., Watanabe, N., Bakos, G. Á., Barkaoui, K., Beichman, C., Benkhaldoun, Z., Boyle, A. W., Ciardi, D. R., Clark, C. A., Collins, K. A., Collins, K. I., Conti, D. M., Crossfield, I. J. M., Everett, M. E., Furlan, E., Ghachoui, M., Gillon, M., Gonzales, E. J., Higuera, J., Horne, K., Howell, S. B., Jehin, E., Lester, K. V., Lund, M. B., Matson, R., Matthews, E. C., Pozuelos, F. J., Safonov, B. S., Schlieder, J. E., Schwarz, R. P., Sefako, R., Srdoc, G., Strakhov, I. A., Waalkes, W. C., Ziegler, C., Charbonneau, D., Essack, Z., Timmermans, M., Guerrero, N. M., Harakawa, H., Hedges, C., Ishizuka, M., Jenkins, J. M., Konishi, M., Kotani, T., Kudo, T., Kurokawa, T., Kuzuhara, M., Nishikawa, J., Omiya, M., Ricker, G. R., Seager, S., Serizawa, T., Striegel, S., Tamura, M., Ueda, A., Vanderspek, R., Vievard, S., Winn, J. N.
Sub-Neptunes with $2-3R_\oplus$ are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk compositions of transiting sub-Neptunes provide clues to the formation and evolution of close-in small planets.
Externí odkaz:
http://arxiv.org/abs/2405.12637
Autor:
Barkaoui, K., Schwarz, R. P., Narita, N., Mistry, P., Magliano, C., Hirano, T., Maity, M., Burgasser, A. J., Rackham, B. V., Murgas, F., Pozuelos, F. J., Stassun, K. G., Everett, M. E., Ciardi, D. R., Lamman, C., Pass, E. K., Bieryla, A., Aganze, C., Esparza-Borges, E., Collins, K. A., Covone, G., de Leon, J., D'evora-Pajares, M., de Wit, J., Fukuda, Izuru, Fukui, A., Gerasimov, R., Gillon, M., Hayashi, Y., Howell, S. B., Ikoma, M., Ikuta, K., Jenkins, J. M., Karpoor, P. R., Kawai, Y., Kimura, T., Kotani, T., Latham, D. W., Mori, M., Palle, E., Parviainen, H., Patel, Y. G., Ricker, G., Relles, H. M., Shporer, A., Seager, S., Softich, E., Srdoc, G., Tamura, M., Theissen, C. A., Twicken, J. D., Vanderspek, R., Watanabe, N., Watkins, C. N., Winn, J. N., Wohler, B.
One of the main goals of the NASA's TESS (Transiting Exoplanet Survey Satellite) mission is the discovery of Earth-like planets around nearby M-dwarf stars. Here, we present the discovery and validation of three new short-period Earth-sized planets o
Externí odkaz:
http://arxiv.org/abs/2405.06350
Autor:
Timmermans, M., Dransfield, G., Gillon, M., Triaud, A. H. M. J., Rackham, B. V., Aganze, C., Barkaoui, K., Briceño, C., Burgasser, A. J., Collins, K. A., Cointepas, M., Dévora-Pajares, M., Ducrot, E., Zúñiga-Fernández, S., Howell, S. B., Kaltenegger, L., Murray, C. A., Pass, E. K., Quinn, S. N., Raymond, S. N., Sebastian, D., Stassun, K. G., Ziegler, C., Almenara, J. M., Benkhaldoun, Z., Bonfils, X., Christiansen, J. L., Davoudi, F., de Wit, J., Delrez, L., Demory, B. -O., Fong, W., Fűrész, G., Ghachoui, M., Garcia, L. J., Chew, Y. Gómez Maqueo, Hooton, M. J., Horne, K., Günther, M. N., Jehin, E., Jenkins, J. M., Law, N., Mann, A. W., Murgas, F., Pozuelos, F. J., Pedersen, P. P., Queloz, D., Ricker, G., Rowden, P., Schwarz, R. P., Seager, S., Smart, R. L., Srdoc, G., Striegel, S., Thompson, S., Vanderspek, R., Winn, J. N.
Publikováno v:
A&A 687, A48 (2024)
Small planets transiting bright nearby stars are essential to our understanding of the formation and evolution of exoplanetary systems. However, few constitute prime targets for atmospheric characterization, and even fewer are part of multiple star s
Externí odkaz:
http://arxiv.org/abs/2404.12722
Autor:
Bell, J. Serrano, Díaz, R. F., Hébrard, G., Martioli, E., Heidari, N., Sousa, S., Boisse, I., Almenara, J. M., Alonso-Santiago, J., Barros, S. C. C., Benni, P., Bieryla, A., Bonfils, X., Caldwell, D. A., Ciardi, D. R., Collins, K. A., Cortés-Zuleta, P., Dalal, S., de León, J. P., Deleuil, M., Delfosse, X., Demangeon, O. D. S., Esparza-Borges, E., Forveille, T., Frasca, A., Fukui, A., Gregorio, J., Guerrero, N. M., Howell, S. B., Hoyer, S., Ikuta, K., Jenkins, J. M., Kiefer, F., Latham, D. W., Marino, G., Michaels, E. J., Moutou, C., Murgas, F., Narita, N., Palle, E., Parviainen, H., Santos, N. C., Stassun, K. G., Winn, J. N.
Publikováno v:
A&A, 684, A6 (2024)
We report the characterization of two planet candidates detected by the Transiting Exoplanet Survey Satellite (TESS), TOI-1199 b and TOI-1273 b, with periods of 3.7 and 4.6 days, respectively. Follow-up observations for both targets, which include se
Externí odkaz:
http://arxiv.org/abs/2402.07861
Autor:
Orell-Miquel, J., Carleo, I., Murgas, F., Nowak, G., Palle, E., Luque, R., Masseron, T., Sanz-Forcada, J., Dragomir, D., Dalba, P. A., Tronsgaard, R., Wittrock, J., Kim, K., Stibbards, C., Collins, K. I., Plavchan, P., Howell, S. B., Furlan, E., Buchhave, L. A., Gnilka, C. L., Gupta, A. F., Henning, Th., Lester, K. V., Rodriguez, J. E., Scott, N. J., Osborn, H. P., Villanueva Jr., S., Seager, S., Winn, J. N., Jenkins, J. M., Vanderspek, R., Latham, D. W., Rowden, P., Watanabe, D., Torres, G., Burke, C. J., Daylan, T., Barclay, T., Twicken, J. D., Ricker, G. R.
The Transiting Exoplanet Survey Satellite (TESS) provides a continuous suite of new planet candidates that need confirmation and precise mass determination from ground-based observatories. This is the case for the G-type star TOI-1710, which is known
Externí odkaz:
http://arxiv.org/abs/2401.13574
Circumstellar disk accretion across the Lagoon Nebula: the influence of environment and stellar mass
Autor:
Venuti, L., Cody, A. M., Beccari, G., Rebull, L. M., Irwin, M. J., Thanvantri, A., Thanvantri, S., Alencar, S. H. P., Leal, C. O., Barentsen, G., Drew, J. E., Howell, S. B.
Pre-main sequence disk accretion is pivotal in determining the final stellar properties and the early conditions for close-in planets. We aim to establish the impact of internal (stellar mass) and external (radiation field) parameters on disk evoluti
Externí odkaz:
http://arxiv.org/abs/2401.06767