Search Results - "Ciardi, David R."

A disintegrating minor planet transiting a white dwarf by Vanderburg, Andrew, Johnson, John Asher, Rappaport, Saul, Bieryla, Allyson, Irwin, Jonathan, Lewis, John Arban, Kipping, David, Brown, Warren R., Dufour, Patrick, Ciardi, David R., Angus, Ruth, Schaefer, Laura, Latham, David W., Charbonneau, David, Beichman, Charles, Eastman, Jason, McCrady, Nate, Wittenmyer, Robert A., Wright, Jason T.

“…The atmospheres of white dwarfs often contain elements heavier than helium, even though these elements would be expected to settle into the stars’ interiors;…”
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Radial velocity planet detection biases at the stellar rotational period by Vanderburg, Andrew, Plavchan, Peter, Johnson, John Asher, Ciardi, David R., Swift, Jonathan, Kane, Stephen R.

“…Future generations of precise radial velocity (RV) surveys aim to achieve sensitivity sufficient to detect Earth mass planets orbiting in their stars’…”
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A CATALOG OF KEPLER HABITABLE ZONE EXOPLANET CANDIDATES by Kane, Stephen R., Hill, Michelle L., Kasting, James F., Kopparapu, Ravi Kumar, Quintana, Elisa V., Barclay, Thomas, Batalha, Natalie M., Borucki, William J., Ciardi, David R., Haghighipour, Nader, Hinkel, Natalie R., Kaltenegger, Lisa, Selsis, Franck, Torres, Guillermo

“…ABSTRACT The NASA Kepler mission ha s discovered thousands of new planetary candidates, many of which have been confirmed through follow-up observations. A…”
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SPITZER OBSERVATIONS CONFIRM AND RESCUE THE HABITABLE-ZONE SUPER-EARTH K2-18b FOR FUTURE CHARACTERIZATION by Benneke, Björn, Werner, Michael, Petigura, Erik, Knutson, Heather, Dressing, Courtney, Crossfield, Ian J. M., Schlieder, Joshua E., Livingston, John, Beichman, Charles, Christiansen, Jessie, Krick, Jessica, Gorjian, Varoujan, Howard, Andrew W., Sinukoff, Evan, Ciardi, David R., Akeson, Rachel L.

“…ABSTRACT The recent detections of two transit events attributed to the super-Earth candidate K2-18b have provided the unprecedented prospect of…”
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Forecasting the Impact of Stellar Activity on Transiting Exoplanet Spectra by Zellem, Robert T., Swain, Mark R., Roudier, Gael, Shkolnik, Evgenya L., Creech-Eakman, Michelle J., Ciardi, David R., Line, Michael R., Iyer, Aishwarya R., Bryden, Geoffrey, Llama, Joe, Fahy, Kristen A.

“…Exoplanet host star activity, in the form of unocculted starspots or faculae, alters the observed transmission and emission spectra of the exoplanet. This…”
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Occurrence Rate of Hot Jupiters Around Early-type M Dwarfs Based on Transiting Exoplanet Survey Satellite Data by Gan, Tianjun, Wang, Sharon X., Wang, Songhu, Mao, Shude, Huang, Chelsea X., Collins, Karen A., Stassun, Keivan G., Shporer, Avi, Zhu, Wei, Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Barkaoui, Khalid, Belinski, Alexander A., Ciardi, David R., Evans, Phil, Girardin, Eric, Maslennikova, Nataliia A., Mazeh, Tsevi, Panahi, Aviad, Pozuelos, Francisco J., Radford, Don J., Schwarz, Richard P., Twicken, Joseph D., Wünsche, Anaël, Zucker, Shay

“…Abstract We present an estimate of the occurrence rate of hot Jupiters (7 R ⊕ ≤ R p ≤ 2 R J , 0.8 ≤ P b ≤ 10 days) around early-type M dwarfs based on stars…”
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An Earth-Sized Planet in the Habitable Zone of a Cool Star by Quintana, Elisa V., Barclay, Thomas, Raymond, Sean N., Rowe, Jason F., Bolmont, Emeline, Caldwell, Douglas A., Howell, Steve B., Kane, Stephen R., Huber, Daniel, Crepp, Justin R., Lissauer, Jack J., Ciardi, David R., Coughlin, Jeffrey L., Everett, Mark E., Henze, Christopher E., Horch, Elliott, Isaacson, Howard, Ford, Eric B., Adams, Fred C., Still, Martin, Hunter, Roger C., Quarles, Billy, Selsis, Franck

“…The quest for Earth-like planets is a major focus of current exoplanet research. Although planets that are Earth-sized and smaller have been detected, these…”
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High-contrast, High-angular-resolution Optical Speckle Imaging: Uncovering Hidden Stellar Companions by Howell, Steve B., Martinez, Arturo O., Hope, Douglas A., Ciardi, David R., Jefferies, Stuart M., Baron, Fabien R., Lund, Michael B.

“…Abstract We explore the possibility of detecting very faint, very close-in stellar companions using large aperture ground-based telescopes and the technique of…”
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Kepler constraints on planets near hot Jupiters by Steffen, Jason H, Ragozzine, Darin, Fabrycky, Daniel C, Carter, Joshua A, Ford, Eric B, Holman, Matthew J, Rowe, Jason F, Welsh, William F, Borucki, William J, Boss, Alan P, Ciardi, David R, Quinn, Samuel N

“…We present the results of a search for planetary companions orbiting near hot Jupiter planet candidates (Jupiter-size candidates with orbital periods near 3 d)…”
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Visual Orbits and Alignments of Planet-hosting Binary Systems by Lester, Kathryn V., Howell, Steve B., Matson, Rachel A., Furlan, Elise, Gnilka, Crystal L., Littlefield, Colin, Ciardi, David R., Everett, Mark E., Fajardo-Acosta, Sergio B., Clark, Catherine A.

“…Abstract Roughly half of Solar-type planet hosts have stellar companions, so understanding how these binary companions affect the formation and evolution of…”
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TOI-1173 A b: The First Inflated Super-Neptune in a Wide Binary System by Galarza, Jhon Yana, Ferreira, Thiago, Lorenzo-Oliveira, Diego, Simon, Joshua D., Reggiani, Henrique, Piro, Anthony L., Butler, R. Paul, Netto, Yuri, Valio, Adriana, Ciardi, David R., Safonov, Boris

“…Abstract Among Neptunian mass exoplanets (20−50 M ⊕ ), puffy hot Neptunes are extremely rare, and their unique combination of low mass and extended radii…”
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High-resolution Imaging of a TESS Control Sample: Verifying a Deficit of Close-in Stellar Companions to Exoplanet Host Stars by Littlefield, Colin, Howell, Steve B., Ciardi, David R., Lester, Kathryn V., Everett, Mark E., Furlan, Elise, Matson, Rachel A., Fajardo-Acosta, Sergio B., Gnilka, Crystal L.

“…Abstract The large number of exoplanets discovered with the Transiting Exoplanet Survey Satellite (TESS) means that any observational biases from TESS could…”
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Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc” (2024, AJ, 167, 174) by Clark, Catherine A., van Belle, Gerard T., Horch, Elliott P., Ciardi, David R., von Braun, Kaspar, Skiff, Brian A., Winters, Jennifer G., Lund, Michael B., Everett, Mark E., Hartman, Zachary D., Llama, Joe

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Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets” (2024, AJ, 167, 56) by Clark, Catherine A., van Belle, Gerard T., Horch, Elliott P., Lund, Michael B., Ciardi, David R., von Braun, Kaspar, Winters, Jennifer G., Everett, Mark E., Hartman, Zachary D., Llama, Joe

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MEASUREMENT OF SPIN-ORBIT MISALIGNMENT AND NODAL PRECESSION FOR THE PLANET AROUND PRE-MAIN-SEQUENCE STAR PTFO 8-8695 FROM GRAVITY DARKENING by Barnes, Jason W, Van Eyken, Julian C, Jackson, Brian K, Ciardi, David R, tney, Jonathan J

“…PTFO 8-8695b represents the first transiting exoplanet candidate orbiting a pre-main-sequence star (van Eyken et al. 2012, ApJ, 755, 42). We find that the…”
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The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets by Clark, Catherine A., van Belle, Gerard T., Horch, Elliott P., Lund, Michael B., Ciardi, David R., von Braun, Kaspar, Winters, Jennifer G., Everett, Mark E., Hartman, Zachary D., Llama, Joe

“…Abstract Stellar multiplicity is correlated with many stellar properties, yet multiplicity measurements have proven difficult for the M dwarfs—the most common…”
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The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc by Clark, Catherine A., van Belle, Gerard T., Horch, Elliott P., Ciardi, David R., von Braun, Kaspar, Skiff, Brian A., Winters, Jennifer G., Lund, Michael B., Everett, Mark E., Hartman, Zachary D., Llama, Joe

“…Abstract M dwarfs are ubiquitous in our Galaxy, and the rate at which they host stellar companions, and the properties of these companions, provide a window…”
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The same frequency of planets inside and outside open clusters of stars by Meibom, Søren, Torres, Guillermo, Fressin, Francois, Latham, David W., Rowe, Jason F., Ciardi, David R., Bryson, Steven T., Rogers, Leslie A., Henze, Christopher E., Janes, Kenneth, Barnes, Sydney A., Marcy, Geoffrey W., Isaacson, Howard, Fischer, Debra A., Howell, Steve B., Horch, Elliott P., Jenkins, Jon M., Schuler, Simon C., Crepp, Justin

“…The transits of two Sun-like stars by small planets in an open star cluster are reported; such a stellar environment is unlike that of most planet-hosting…”
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Planetary candidates transiting cool dwarf stars from campaigns 12 to 15 of K2 by Castro González, A, Díez Alonso, E, Menéndez Blanco, J, Livingston, John H, de Leon, Jerome P, Suárez Gómez, S L, González Gutiérrez, C, García Riesgo, F, Bonavera, L, Iglesias Rodríguez, F J, Muñiz, R, Everett, Mark E, Scott, N J, Howell, Steve B, Ciardi, David R, Gonzales, Erica J, Schlieder, Joshua E, de Cos Juez, F J

“…ABSTRACT We analysed the photometry of 20 038 cool stars from campaigns 12, 13, 14, and 15 of the K2 mission in order to detect, characterize, and validate new…”
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TWO TRANSITING LOW DENSITY SUB-SATURNS FROM K2 by Petigura, Erik A., Howard, Andrew W., Lopez, Eric D., Deck, Katherine M., Fulton, Benjamin J., Crossfield, Ian J. M., Ciardi, David R., Chiang, Eugene, Lee, Eve J., Isaacson, Howard, Beichman, Charles A., Hansen, Brad M. S., Schlieder, Joshua E., Sinukoff, Evan

“…ABSTRACT We report the discovery and confirmation of K2-24 b and c, two sub-Saturn planets orbiting a bright (V = 11.3), metal-rich ([Fe/H] = 0.42 0.04 dex) G3…”
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