The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs

Autor: Yasunori Hori, Akihiko Fukui, Teruyuki Hirano, Norio Narita, Jerome P. de Leon, Hiroyuki Tako Ishikawa, Joel D. Hartman, Giuseppe Morello, Nestor Abreu García, Leticia Álvarez Hernández, Víctor J. S. Béjar, Yéssica Calatayud-Borras, Ilaria Carleo, Gareb Enoc, Emma Esparza-Borges, Izuru Fukuda, Daniel Galán, Samuel Geraldía-González, Yuya Hayashi, Masahiro Ikoma, Kai Ikuta, Keisuke Isogai, Taiki Kagetani, Yugo Kawai, Kiyoe Kawauchi, Tadahiro Kimura, Takanori Kodama, Judith Korth, Nobuhiko Kusakabe, Andrés Laza-Ramos, John H. Livingston, Rafael Luque, Kohei Miyakawa, Mayuko Mori, Felipe Murgas, Jaume Orell-Miquel, Enric Palle, Hannu Parviainen, Alberto Peláez-Torres, Marta Puig-Subirà, Manuel Sánchez-Benavente, Paula Sosa-Guillén, Monika Stangret, Yuka Terada, Sara Muñoz Torres, Noriharu Watanabe, Gaspar Á. Bakos, Khalid Barkaoui, Charles Beichman, Zouhair Benkhaldoun, Andrew W. Boyle, David R. Ciardi, Catherine A. Clark, Karen A. Collins, Kevin I. Collins, Dennis M. Conti, Ian J.M. Crossfield, Mark E. Everett, Elise Furlan, Mourad Ghachoui, Michaël Gillon, Erica J. Gonzales, Jesus Higuera, Keith Horne, Steve B. Howell, Emmanuël Jehin, Kathryn V. Lester, Michael B. Lund, Rachel Matson, Elisabeth C. Matthews, Francisco J. Pozuelos, Boris S. Safonov, Joshua E. Schlieder, Richard P. Schwarz, Ramotholo Sefako, Gregor Srdoc, Ivan A. Strakhov, Mathilde Timmermans, William C. Waalkes, Carl Ziegler, David Charbonneau, Zahra Essack, Natalia M. Guerrero, Hiroki Harakawa, Christina Hedges, Masato Ishizuka, Jon M. Jenkins, Mihoko Konishi, Takayuki Kotani, Tomoyuki Kudo, Takashi Kurokawa, Masayuki Kuzuhara, Jun Nishikawa, Masashi Omiya, George R. Ricker, Sara Seager, Takuma Serizawa, Stephanie Striegel, Motohide Tamura, Akitoshi Ueda, Roland Vanderspek, Sébastien Vievard, Joshua N. Winn

Publikováno v: The Astronomical Journal, Vol 167, Iss 6, p 289 (2024)

Sub-Neptunes with radii of 2–3 R _⊕ 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 p

Externí odkaz: https://doaj.org/article/e90e706d0f7942389d0887e8f3b38aa6

Visual Orbits and Alignments of Planet-hosting Binary Systems

Autor: Kathryn V. Lester, Steve B. Howell, Rachel A. Matson, Elise Furlan, Crystal L. Gnilka, Colin Littlefield, David R. Ciardi, Mark E. Everett, Sergio B. Fajardo-Acosta, Catherine A. Clark

Publikováno v: The Astronomical Journal, Vol 166, Iss 4, p 166 (2023)

Roughly half of Solar-type planet hosts have stellar companions, so understanding how these binary companions affect the formation and evolution of planets is an important component to understanding planetary systems overall. Measuring the dynamical

Externí odkaz: https://doaj.org/article/87492938b04b4c3c89cd5e0efcdcecd4

TESS Discovery of Twin Planets near 2:1 Resonance around Early M Dwarf TOI 4342

Autor: Evan Tey, Chelsea X. Huang, Michelle Kunimoto, Andrew Vanderburg, Avi Shporer, Samuel N. Quinn, George Zhou, Karen A. Collins, Kevin I. Collins, Eric L. N. Jensen, Richard P. Schwarz, Ramotholo Sefako, Tianjun Gan, Elise Furlan, Crystal L. Gnilka, Steve B. Howell, Kathryn V. Lester, Carl Ziegler, César Briceño, Nicholas Law, Andrew W. Mann, George R. Ricker, Roland K. Vanderspek, David W. Latham, S. Seager, Jon M. Jenkins, Joshua N. Winn, Douglas A. Caldwell, David Charbonneau, Christopher J. Burke, Zahra Essack

Publikováno v: The Astronomical Journal, Vol 165, Iss 3, p 93 (2023)

With data from the Transiting Exoplanet Survey Satellite (TESS), we showcase improvements to the MIT Quick Look Pipeline (QLP) through the discovery and validation of a multiplanet system around M dwarf TOI 4342 ( T _mag = 11.032, M _⋆ = 0.63 M _�

Externí odkaz: https://doaj.org/article/7817cb48bd3241799475def22639bc73

The NASA High-Resolution Speckle Interferometric Imaging Program: Validation and Characterization of Exoplanets and Their Stellar Hosts

Autor: Steve B. Howell, Nicholas J. Scott, Rachel A. Matson, Mark E. Everett, Elise Furlan, Crystal L. Gnilka, David R. Ciardi, Kathryn V. Lester

Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 8 (2021)

Starting in 2008, NASA has provided the exoplanet community an observational program aimed at obtaining the highest resolution imaging available as part of its mission to validate and characterize exoplanets, as well as their stellar environments, in

Externí odkaz: https://doaj.org/article/d75698a2fc604e09bfd6c04fa0aca71a

Radial velocity confirmation of a hot super-Neptune discovered by TESS with a warm Saturn–mass companion

Autor: E Knudstrup, D Gandolfi, G Nowak, C M Persson, E Furlan, J Livingston, E Matthews, M S Lundkvist, M L Winther, J L Rørsted, S H Albrecht, E Goffo, I Carleo, H J Deeg, K A Collins, N Narita, H Isaacson, S Redfield, F Dai, T Hirano, J M Akana Murphy, C Beard, L A Buchhave, S Cary, A Chontos, I Crossfield, W D Cochran, D Conti, P A Dalba, M Esposito, S Fajardo-Acosta, S Giacalone, S K Grunblatt, P Guerra, A P Hatzes, R Holcomb, F G Horta, A W Howard, D Huber, J M Jenkins, P Kabáth, S Kane, J Korth, K W F Lam, K V Lester, R Matson, K K McLeod, J Orell-Miquel, F Murgas, E Palle, A S Polanski, G Ricker, P Robertson, R Rubenzahl, J E Schlieder, S Seager, A M S Smith, P Tenenbaum, E Turtelboom, R Vanderspek, L Weiss, J Winn

Publikováno v: Knudstrup, E, Gandolfi, D, Nowak, G, Persson, C M, Furlan, E, Livingston, J, Matthews, E, Lundkvist, M S, Winther, M L, Rørsted, J L, Albrecht, S H, Goffo, E, Carleo, I, Deeg, H J, Collins, K A, Narita, N, Isaacson, H, Redfield, S, Dai, F, Hirano, T, Akana Murphy, J M, Beard, C, Buchhave, L A, Cary, S, Chontos, A, Crossfield, I, Cochran, W D, Conti, D, Dalba, P A, Esposito, M, Fajardo-Acosta, S, Giacalone, S, Grunblatt, S K, Guerra, P, Hatzes, A P, Holcomb, R, Horta, F G, Howard, A W, Huber, D, Jenkins, J M, Kabáth, P, Kane, S, Korth, J, Lam, K W F, Lester, K V, Matson, R, McLeod, K K, Orell-Miquel, J, Murgas, F, Palle, E, Polanski, A S, Ricker, G, Robertson, P, Rubenzahl, R, Schlieder, J E, Seager, S, Smith, A M S, Tenenbaum, P, Turtelboom, E, Vanderspek, R, Weiss, L & Winn, J 2023, ' Radial velocity confirmation of a hot super-Neptune discovered by TESS with a warm Saturn–mass companion ', Monthly Notices of the Royal Astronomical Society, vol. 519, no. 4, pp. 5637-5655 . https://doi.org/10.1093/mnras/stac3684
Knudstrup, E, Gandolfi, D, Nowak, G, Persson, C M, Furlan, E, Livingston, J, Matthews, E, Lundkvist, M S, Winther, M L, Rørsted, J L, Albrecht, S H, Goffo, E, Carleo, I, Deeg, H J, Collins, K A, Narita, N, Isaacson, H, Redfield, S, Dai, F, Hirano, T, Akana Murphy, J M, Beard, C, Cary, S, Chontos, A, Crossfield, I, Cochran, W D, Conti, D, Dalba, P A, Esposito, M, Fajardo-Acosta, S, Giacalone, S, Grunblatt, S K, Guerra, P, Hatzes, A P, Holcomb, R, Horta, F G, Huber, D, Jenkins, J M, Kabáth, P, Kane, S, Korth, J, Lam, K W F, Lester, K V, Matson, R, McLeod, K K, Orell-Miquel, J, Murgas, F, Palle, E, Polanski, A S, Ricker, G, Robertson, P, Rubenzahl, R, Schlieder, J E, Seager, S, Tenenbaum, P, Turtelboom, E, Vanderspek, R, Weiss, L & Winn, J 2023, ' Radial velocity confirmation of a hot super-Neptune discovered by TESS with a warm Saturn-mass companion ', Monthly Notices of the Royal Astronomical Society, vol. 519, no. 4 . https://doi.org/10.1093/mnras/stac3684

We report the discovery and confirmation of the planetary system TOI-1288. This late G dwarf harbours two planets: TOI-1288 b and TOI-1288 c. We combine TESS space-borne and ground-based transit photometry with HARPS-N and HIRES high-precision Dopple

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6560fd78de8695a55fa0da0c1b4bde6
https://resolver.caltech.edu/CaltechAUTHORS:20230314-845495900.49