Search Results - "Haywood, Raphaelle D."

DETERMINING THE MASS OF KEPLER-78b WITH NONPARAMETRIC GAUSSIAN PROCESS ESTIMATION by Grunblatt, Samuel K., Howard, Andrew W., Haywood, Raphaëlle D.

“…ABSTRACT Kepler-78b is a transiting planet that is 1.2 times the radius of Earth and orbits a young, active K dwarf every 8 hr. The mass of Kepler-78b has been…”
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A temperate rocky super-Earth transiting a nearby cool star by Dittmann, Jason A., Irwin, Jonathan M., Charbonneau, David, Bonfils, Xavier, Astudillo-Defru, Nicola, Haywood, Raphaëlle D., Berta-Thompson, Zachory K., Newton, Elisabeth R., Rodriguez, Joseph E., Winters, Jennifer G., Tan, Thiam-Guan, Almenara, Jose-Manuel, Bouchy, François, Delfosse, Xavier, Forveille, Thierry, Lovis, Christophe, Murgas, Felipe, Pepe, Francesco, Santos, Nuno C., Udry, Stephane, Wünsche, Anaël, Esquerdo, Gilbert A., Latham, David W., Dressing, Courtney D.

“…An Earth-sized planet is observed orbiting a nearby star within the liquid-water, habitable zone, the atmospheric composition of which could be determined from…”
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Characterizing Solar Center-to-limb Radial-velocity Variability with SDO by Palumbo, Michael L., Saar, Steven H., Haywood, Raphaëlle D.

“…Abstract Stellar photospheric inhomogeneities are a significant source of noise, which currently precludes the discovery of Earth-mass planets orbiting…”
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The effect of stellar activity on the spectroscopic stellar parameters of the young solar twin HIP 36515 by Yana Galarza, Jhon, Meléndez, Jorge, Lorenzo-Oliveira, Diego, Valio, Adriana, Reggiani, Henrique, Carlos, Marília, Ponte, Geisa, Spina, Lorenzo, Haywood, Raphaëlle D, Gandolfi, Davide

“…ABSTRACT Spectroscopic equilibrium allows us to obtain precise stellar parameters in Sun-like stars. It relies on the assumption of the iron excitation and…”
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An Earth-sized planet with an Earth-like density by Pepe, Francesco, Cameron, Andrew Collier, Latham, David W., Molinari, Emilio, Udry, Stéphane, Bonomo, Aldo S., Buchhave, Lars A., Charbonneau, David, Cosentino, Rosario, Dressing, Courtney D., Dumusque, Xavier, Figueira, Pedro, Fiorenzano, Aldo F. M., Gettel, Sara, Harutyunyan, Avet, Haywood, Raphaëlle D., Horne, Keith, Lopez-Morales, Mercedes, Lovis, Christophe, Malavolta, Luca, Mayor, Michel, Micela, Giusi, Motalebi, Fatemeh, Nascimbeni, Valerio, Phillips, David, Piotto, Giampaolo, Pollacco, Don, Queloz, Didier, Rice, Ken, Sasselov, Dimitar, Ségransan, Damien, Sozzetti, Alessandro, Szentgyorgyi, Andrew, Watson, Christopher A.

“…Data from the Kepler spacecraft and the HARPS-N ground-based spectrograph indicate that the extrasolar planet Kepler-78b has a mean density similar to that of…”
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Leveraging Space-based Data from the Nearest Solar-type Star to Better Understand Stellar Activity Signatures in Radial Velocity Data by Ervin, Tamar, Halverson, Samuel, Burrows, Abigail, Murphy, Neil, Roy, Arpita, Haywood, Raphaelle D., Rescigno, Federica, Bender, Chad F., Lin, Andrea S. J., Burt, Jennifer, Mahadevan, Suvrath

“…Abstract Stellar variability is a key obstacle in reaching the sensitivity required to recover Earth-like exoplanetary signals using the radial velocity (RV)…”
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THE KEPLER-10 PLANETARY SYSTEM REVISITED BY HARPS-N: A HOT ROCKY WORLD AND A SOLID NEPTUNE-MASS PLANET by DUMUSQUE, XAVIER, Bonomo, Aldo S, Haywood, Raphaelle D, Malavolta, Luca, SEGRANSAN, DAMIEN, Buchhave, Lars A, Cameron, Andrew Collier, Latham, David W, Molinari, Emilio, Pepe, Francesco

“…Kepler-10b was the first rocky planet detected by the Kepler satellite and confirmed with radial velocity follow-up observations from Keck-HIRES. The mass of…”
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Identifying Exoplanets with Deep Learning. IV. Removing Stellar Activity Signals from Radial Velocity Measurements Using Neural Networks by de Beurs, Zoe. L., Vanderburg, Andrew, Shallue, Christopher J., Dumusque, Xavier, Cameron, Andrew Collier, Leet, Christopher, Buchhave, Lars A., Cosentino, Rosario, Ghedina, Adriano, Haywood, Raphaëlle D., Langellier, Nicholas, Latham, David W., López-Morales, Mercedes, Mayor, Michel, Micela, Giusi, Milbourne, Timothy W., Mortier, Annelies, Molinari, Emilio, Pepe, Francesco, Phillips, David F., Pinamonti, Matteo, Piotto, Giampaolo, Rice, Ken, Sasselov, Dimitar, Sozzetti, Alessandro, Udry, Stéphane, Watson, Christopher A.

“…Abstract Exoplanet detection with precise radial velocity (RV) observations is currently limited by spurious RV signals introduced by stellar activity. We show…”
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The magnetically quiet solar surface dominates HARPS-N solar RVs during low activity by Lakeland, Ben S, Naylor, Tim, Haywood, Raphaëlle D, Meunier, Nadège, Rescigno, Federica, Dalal, Shweta, Mortier, Annelies, Thompson, Samantha J, Cameron, Andrew Collier, Dumusque, Xavier, López-Morales, Mercedes, Pepe, Francesco, Rice, Ken, Sozzetti, Alessandro, Udry, Stéphane, Ford, Eric, Ghedina, Adriano, Lodi, Marcello

“…ABSTRACT Using images from the Helioseismic and Magnetic Imager aboard the Solar Dynamics Observatory, we extract the radial velocity (RV) signal arising from…”
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Masses, revised radii, and a third planet candidate in the ‘Inverted’ planetary system around TOI-1266 by Cloutier, Ryan, Greklek-McKeon, Michael, Wurmser, Serena, Cherubim, Collin, Gillis, Erik, Vanderburg, Andrew, Hadden, Sam, Cadieux, Charles, Artigau, Étienne, Vissapragada, Shreyas, Mortier, Annelies, López-Morales, Mercedes, Latham, David W, Knutson, Heather, Haywood, Raphaëlle D, Pallé, Enric, Doyon, René, Cook, Neil, Andreuzzi, Gloria, Cecconi, Massimo, Cosentino, Rosario, Ghedina, Adriano, Harutyunyan, Avet, Pinamonti, Matteo, Stalport, Manu, Damasso, Mario, Rescigno, Federica, Wilson, Thomas G, Buchhave, Lars A, Charbonneau, David, Cameron, Andrew Collier, Dumusque, Xavier, Lovis, Christophe, Mayor, Michel, Molinari, Emilio, Pepe, Francesco, Piotto, Giampaolo, Rice, Ken, Sasselov, Dimitar, Ségransan, Damien, Sozzetti, Alessandro, Udry, Stéphane, Watson, Chris A

“…ABSTRACT Is the population of close-in planets orbiting M dwarfs sculpted by thermally driven escape or is it a direct outcome of the planet formation process?…”
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Using HARPS-N to characterize the long-period planets in the PH-2 and Kepler-103 systems by Dubber, Sophie C, Mortier, Annelies, Rice, Ken, Nava, Chantanelle, Malavolta, Luca, Giles, Helen, Coffinet, Adrien, Charbonneau, David, Vanderburg, Andrew, Bonomo, Aldo S, Boschin, Walter, Buchhave, Lars A, Cameron, Andrew Collier, Cosentino, Rosario, Dumusque, Xavier, Ghedina, Adriano, Harutyunyan, Avet, Haywood, Raphaëlle D, Latham, David, López-Morales, Mercedes, Micela, Giusi, Molinari, Emilio, Pepe, Francesco A, Phillips, David, Piotto, Giampaolo, Poretti, Ennio, Sasselov, Dimitar, Sozzetti, Alessandro, Udry, Stéphane

“…ABSTRACT We present confirmation of the planetary nature of PH-2b, as well as the first mass estimates for the two planets in the Kepler-103 system. PH-2b and…”
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Sensitivity of low-degree solar p modes to active and ephemeral regions: frequency shifts back to the Maunder minimum by Chaplin, William J, Howe, Rachel, Basu, Sarbani, Elsworth, Yvonne, Milbourne, Timothy W, Haywood, Raphaëlle D, Davies, Guy R, Hale, Steven J, Miglio, Andrea, Ross, Eddie

“…ABSTRACT We explore the sensitivity of the frequencies of low-degree solar p modes to near-surface magnetic flux on different spatial scales and strengths,…”
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ESD Ideas: Exoplanet, origins of life and biosphere researchers offer a perspective fundamental to ensuring humanity's future by Duzdevich, Daniel, Nicholson, Arwen E, Haywood, Raphaëlle D

“…Studying the origin of life and its prevalence in the universe offers a perspective that compels us to look after our irreplaceable home in the cosmos. An…”
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A Kepler study of starspot lifetimes with respect to light-curve amplitude and spectral type by Giles, Helen A. C., Collier Cameron, Andrew, Haywood, Raphaëlle D.

“…Abstract Wide-field high-precision photometric surveys such as Kepler have produced reams of data suitable for investigating stellar magnetic activity of…”
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THE MASS OF Kepler-93b AND THE COMPOSITION OF TERRESTRIAL PLANETS by Dressing, Courtney D., Charbonneau, David, Dumusque, Xavier, Gettel, Sara, Pepe, Francesco, Collier Cameron, Andrew, Latham, David W., Molinari, Emilio, Udry, Stéphane, Affer, Laura, Bonomo, Aldo S., Buchhave, Lars A., Cosentino, Rosario, Figueira, Pedro, Fiorenzano, Aldo F. M., Harutyunyan, Avet, Haywood, Raphaëlle D., Johnson, John Asher, Lopez-Morales, Mercedes, Lovis, Christophe, Malavolta, Luca, Mayor, Michel, Micela, Giusi, Motalebi, Fatemeh, Nascimbeni, Valerio, Phillips, David F., Piotto, Giampaolo, Pollacco, Don, Queloz, Didier, Rice, Ken, Sasselov, Dimitar, Ségransan, Damien, Sozzetti, Alessandro, Szentgyorgyi, Andrew, Watson, Chris

“…Kepler-93b is a 1.478 ± 0.019 R {sub ⊕} planet with a 4.7 day period around a bright (V = 10.2), astroseismically characterized host star with a mass of 0.911…”
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TOI-1695 b: A Water World Orbiting an Early-M Dwarf in the Planet Radius Valley by Cherubim, Collin, Cloutier, Ryan, Charbonneau, David, Stockdale, Chris, Stassun, Keivan G., Schwarz, Richard P., Safonov, Boris, Mortier, Annelies, Lewin, Pablo, Latham, David W., Horne, Keith, Haywood, Raphaëlle D., Gonzales, Erica, Goliguzova, Maria V., Collins, Karen A., Ciardi, David R., Bieryla, Allyson, Belinski, Alexandre A., Wohler, Bill, Watson, Christopher A., Vanderspek, Roland, Udry, Stéphane, Sozzetti, Alessandro, Ségransan, Damien, Sasselov, Dimitar, Ricker, George R., Rice, Ken, Poretti, Ennio, Piotto, Giampaolo, Pepe, Francesco, Molinari, Emilio, Micela, Giuseppina, Mayor, Michel, Lovis, Christophe, López-Morales, Mercedes, Jenkins, Jon M., Essack, Zahra, Dumusque, Xavier, Doty, John P., Colón, Knicole D., Cameron, Andrew Collier, Buchhave, Lars A.

“…Abstract Characterizing the bulk compositions of transiting exoplanets within the M dwarf radius valley offers a unique means to establish whether the radius…”
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The hot Jupiter of the magnetically active weak-line T Tauri star V830 Tau by Donati, J-F, Yu, L, Moutou, C, Cameron, A C, Malo, L, Grankin, K, Hebrard, E, J Hussain, G A, Vidotto, A A, H P Alencar, S, Haywood, R D, Bouvier, J, Petit, P, Takami, M, Herczeg, G J, Gregory, S G, Jardine, M M, Morin, J

“…We report results of an extended spectropolarimetric and photometric monitoring of the weak-line T Tauri star V830 Tau and its recently detected newborn…”
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Leveraging space-based data from the nearest Solar-type star to better understand stellar activity signatures in radial velocity data by Ervin, Tamar, Halverson, Samuel, Burrows, Abigail, Murphy, Neil, Roy, Arpita, Haywood, Raphaelle D, Rescigno, Federica, Bender, Chad F, Lin, Andrea S. J, Burt, Jennifer, Mahadevan, Suvrath

“…Stellar variability is a key obstacle in reaching the sensitivity required to recover Earth-like exoplanetary signals using the radial velocity (RV) detection…”
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Using HARPS-N to characterise the long-period planets in the PH-2 and Kepler-103 systems by Dubber, Sophie C, Mortier, Annelies, Rice, Ken, Nava, Chantanelle, Malavolta, Luca, Giles, Helen, Coffinet, Adrien, Charbonneau, David, Vanderburg, Andrew, Bonomo, Aldo S, Boschin, Walter, Buchhave, Lars A, Cameron, Andrew Collier, Cosentino, Rosario, Dumusque, Xavier, Ghedina, Adriano, Harutyunyan, Avet, Haywood, Raphaelle D, Latham, David, Lopez-Morales, Mercedes, Micela, Giusi, Molinari, Emilio, Pepe, Francesco A, Phillips, David, Piotto, Giampaolo, Poretti, Ennio, Sasselov, Dimitar, Sozzetti, Alessandro, Udry, Stephane

“…We present confirmation of the planetary nature of PH-2b, as well as the first mass estimates for the two planets in the Kepler-103 system. PH-2b and…”
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Characterizing Solar Center-to-Limb Radial-Velocity Variability with SDO by PalumboIII, Michael L, Saar, Steven H, Haywood, Raphaëlle D

“…Stellar photospheric inhomogeneities are a significant source of noise which currently precludes the discovery of Earth-mass planets orbiting Sun-like stars…”
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