Search Results - "Caldwell, Douglas A."

Multiplicity Boost of Transit Signal Classifiers: Validation of 69 New Exoplanets using the Multiplicity Boost of ExoMiner by Valizadegan, Hamed, Martinho, Miguel J. S., Jenkins, Jon M., Caldwell, Douglas A., Twicken, Joseph D., Bryson, Stephen T.

“…Abstract Most existing exoplanets are discovered using validation techniques rather than being confirmed by complementary observations. These techniques…”
Get full text

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…”
Get full text

Validation of a Third Planet in the LHS 1678 System by Silverstein, Michele L., Barclay, Thomas, Schlieder, Joshua E., Collins, Karen A., Schwarz, Richard P., Hord, Benjamin J., Rowe, Jason F., Kruse, Ethan, Astudillo-Defru, Nicola, Bonfils, Xavier, Caldwell, Douglas A., Charbonneau, David, Cloutier, Ryan, Collins, Kevin I., Daylan, Tansu, Fong, William, Jenkins, Jon M., Kunimoto, Michelle, McDermott, Scott, Murgas, Felipe, Palle, Enric, Ricker, George R., Seager, Sara, Shporer, Avi, Tey, Evan, Vanderspek, Roland, Winn, Joshua N.

“…Abstract The nearby LHS 1678 (TOI-696) system contains two confirmed planets and a wide-orbit, likely brown-dwarf companion, which orbit an M2 dwarf with a…”
Get full text

Verification of Gaia Data Release 3 Single-lined Spectroscopic Binary Solutions With Three Transiting Low-mass Secondaries by Schmidt, Stephen P., Schlaufman, Kevin C., Ding, Keyi, Grunblatt, Samuel K., Carmichael, Theron, Bieryla, Allyson, Rodriguez, Joseph E., Schulte, Jack, Vowell, Noah, Zhou, George, Quinn, Samuel N., Yee, Samuel W., Winn, Joshua N., Hartman, Joel D., Latham, David W., Caldwell, Douglas A., Fausnaugh, M. M., Hedges, Christina, Jenkins, Jon M., Osborn, Hugh P., Seager, S.

“…Abstract While secondary mass inferences based on single-lined spectroscopic binary (SB1) solutions are subject to sin i degeneracies, this degeneracy can be…”
Get full text

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission by Thygesen, Erica, Ranshaw, Jessica A., Rodriguez, Joseph E., Vanderburg, Andrew, Quinn, Samuel N., Eastman, Jason D., Bieryla, Allyson, Latham, David W., Vanderspek, Roland K., Jenkins, Jon M., Caldwell, Douglas A., Ikwut-Ukwa, Mma, Colón, Knicole D., Dotson, Jessie, Hedges, Christina, Collins, Karen A., Calkins, Michael L., Berlind, Perry, Esquerdo, Gilbert A.

“…Abstract The legacy of NASA’s K2 mission has provided hundreds of transiting exoplanets that can be revisited by new and future facilities for further…”
Get full text

CONFIRMATION OF HOT JUPITER KEPLER-41b VIA PHASE CURVE ANALYSIS by Quintana, Elisa V, Rowe, Jason F, Barclay, Thomas, Howell, Steve B, Ciardi, David R, Demory, Brice-Olivier, Caldwell, Douglas A, Borucki, William J, Christiansen, Jessie L, Jenkins, Jon M

“…We present high precision photometry of Kepler-41, a giant planet in a 1.86 day orbit around a G6V star that was recently confirmed through radial velocity…”
Get full text

Some Tests to Establish Confidence in Planets Discovered by Transit Photometry by Jenkins, Jon M, Caldwell, Douglas A, Borucki, William J

Get full text

Kepler Data Validation I-Architecture, Diagnostic Tests, and Data Products for Vetting Transiting Planet Candidates by Twicken, Joseph D., Catanzarite, Joseph H., Clarke, Bruce D., Girouard, Forrest, Jenkins, Jon M., Klaus, Todd C., Li, Jie, McCauliff, Sean D., Seader, Shawn E., Tenenbaum, Peter, Wohler, Bill, Bryson, Stephen T., Burke, Christopher J., Caldwell, Douglas A., Haas, Michael R., Henze, Christopher E., Sanderfer, Dwight T.

“…The Kepler Mission was designed to identify and characterize transiting planets in the Kepler Field of View and to determine their occurrence rates. Emphasis…”
Get full text

TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26 by Prša, Andrej, Kochoska, Angela, Conroy, Kyle E., Eisner, Nora, Hey, Daniel R., IJspeert, Luc, Kruse, Ethan, Fleming, Scott W., Johnston, Cole, Kristiansen, Martti H., LaCourse, Daryll, Mortensen, Danielle, Pepper, Joshua, Stassun, Keivan G., Torres, Guillermo, Abdul-Masih, Michael, Chakraborty, Joheen, Gagliano, Robert, Guo, Zhao, Hambleton, Kelly, Hong, Kyeongsoo, Jacobs, Thomas, Jones, David, Kostov, Veselin, Lee, Jae Woo, Omohundro, Mark, Orosz, Jerome A., Page, Emma J., Powell, Brian P., Rappaport, Saul, Reed, Phill, Schnittman, Jeremy, Schwengeler, Hans Martin, Shporer, Avi, Terentev, Ivan A., Vanderburg, Andrew, Welsh, William F., Caldwell, Douglas A., Doty, John P., Jenkins, Jon M., Latham, David W., Ricker, George R., Seager, Sara, Schlieder, Joshua E., Shiao, Bernie, Vanderspek, Roland, Winn, Joshua N.

“…In this paper we present a catalog of 4584 eclipsing binaries observed during the first two years (26 sectors) of the TESS survey. We discuss selection…”
Get full text

The Derivation, Properties, and Value of Kepler's Combined Differential Photometric Precision by Christiansen, Jessie L., Jenkins, Jon M., Caldwell, Douglas A., Burke, Christopher J., Tenenbaum, Peter, Seader, Shawn, Thompson, Susan E., Barclay, Thomas S., Clarke, Bruce D., Li, Jie, Smith, Jeffrey C., Stumpe, Martin C., Twicken, Joseph D., Van Cleve, Jeffrey

“…ABSTRACT The Kepler Mission is searching for Earth-size planets orbiting solar-like stars by simultaneously observing >160,000 stars to detect sequences of…”
Get full text

ExoMiner: A Highly Accurate and Explainable Deep Learning Classifier That Validates 301 New Exoplanets by Valizadegan, Hamed, Martinho, Miguel J. S., Wilkens, Laurent S., Jenkins, Jon M., Smith, Jeffrey C., Caldwell, Douglas A., Twicken, Joseph D., Gerum, Pedro C. L., Walia, Nikash, Hausknecht, Kaylie, Lubin, Noa Y., Bryson, Stephen T., Oza, Nikunj C.

“…Abstract The Kepler and Transiting Exoplanet Survey Satellite (TESS) missions have generated over 100,000 potential transit signals that must be processed in…”
Get full text

Transit timing observations from Kepler - VII. Confirmation of 27 planets in 13 multiplanet systems via transit timing variations and orbital stability by Steffen, Jason H., Fabrycky, Daniel C., Agol, Eric, Ford, Eric B., Morehead, Robert C., Cochran, William D., Lissauer, Jack J., Adams, Elisabeth R., Borucki, William J., Bryson, Steve, Caldwell, Douglas A., Dupree, Andrea, Jenkins, Jon M., Robertson, Paul, Rowe, Jason F., Seader, Shawn, Thompson, Susan, Twicken, Joseph D.

“…We confirm 27 planets in 13 planetary systems by showing the existence of statistically significant anticorrelated transit timing variations, which…”
Get full text

TOI-1259Ab – a gas giant planet with 2.7 per cent deep transits and a bound white dwarf companion by Martin, David V, El-Badry, Kareem, Hodžić, Vedad Kunovac, Triaud, Amaury H M J, Angus, Ruth, Birky, Jessica, Foreman-Mackey, Daniel, Hedges, Christina, Montet, Benjamin T, Murphy, Simon J, Santerne, Alexandre, Stassun, Keivan G, Stephan, Alexander P, Wang, Ji, Benni, Paul, Krushinsky, Vadim, Chazov, Nikita, Mishevskiy, Nikolay, Ziegler, Carl, Soubkiou, Abderahmane, Benkhaldoun, Zouhair, Boisse, Isabelle, Battley, Matthew, Miller, Nicola J, Caldwell, Douglas A, Collins, Karen, Henze, Christopher E, Guerrero, Natalia M, Jenkins, Jon M, Latham, David W, Levine, Adam, McDermott, Scott, Mullally, Susan E, Ricker, George, Seager, Sara, Shporer, Avi, Vanderburg, Andrew, Vanderspek, Roland, Winn, Joshua N

“…ABSTRACT We present TOI-1259Ab, a 1.0RJup gas giant planet transiting a 0.71R⊙ K-dwarf on a 3.48 d orbit. The system also contains a bound white dwarf…”
Get full text

Three low-mass companions around aged stars discovered by TESS by Lin, Zitao, Gan, Tianjun, Wang, Sharon X, Shporer, Avi, Rabus, Markus, Zhou, George, Psaridi, Angelica, Bouchy, François, Bieryla, Allyson, Latham, David W, Mao, Shude, Stassun, Keivan G, Hellier, Coel, Howell, Steve B, Ziegler, Carl, Caldwell, Douglas A, Clark, Catherine A, Collins, Karen A, Curtis, Jason L, Faherty, Jacqueline K, Gnilka, Crystal L, Grunblatt, Samuel K, Jenkins, Jon M, Johnson, Marshall C, Law, Nicholas, Lendl, Monika, Littlefield, Colin, Lund, Michael B, Lund, Mikkel N, Mann, Andrew W, McDermott, Scott, Mishra, Lokesh, Mounzer, Dany, Paegert, Martin, Pritchard, Tyler, Ricker, George R, Seager, Sara, Srdoc, Gregor, Sun, Qinghui, Tang, Jiaxin, Udry, Stéphane, Vanderspek, Roland, Watanabe, David, Winn, Joshua N, Yu, Jie

“…ABSTRACT We report the discovery of three transiting low-mass companions to aged stars: a brown dwarf (TOI-2336b) and two objects near the hydrogen burning…”
Get full text

KEPLER-424 b: A “LONELY” HOT JUPITER THAT FOUND A COMPANION by Endl, Michael, Caldwell, Douglas A, Barclay, Thomas, Huber, Daniel, Isaacson, Howard, Buchhave, Lars A, BRUGAMYER, ERIK, Robertson, Paul, Cochran, William D, MacQueen, Phillip J

“…Hot Jupiter systems provide unique observational constraints for migration models in multiple systems and binaries. We report on the discovery of the…”
Get full text

Finding Optimal Apertures in Kepler Data by Smith, Jeffrey C., Morris, Robert L., Jenkins, Jon M., Bryson, Stephen T., Caldwell, Douglas A., Girouard, Forrest R.

“…With the loss of two spacecraft reaction wheels precluding further data collection for the Kepler primary mission, even greater pressure is placed on the…”
Get full text

TESS Discovery of Twin Planets near 2:1 Resonance around Early M Dwarf TOI 4342 by Tey, Evan, Huang, Chelsea X., Kunimoto, Michelle, Vanderburg, Andrew, Shporer, Avi, Quinn, Samuel N., Zhou, George, Collins, Karen A., Collins, Kevin I., Jensen, Eric L. N., Schwarz, Richard P., Sefako, Ramotholo, Gan, Tianjun, Furlan, Elise, Gnilka, Crystal L., Howell, Steve B., Lester, Kathryn V., Ziegler, Carl, Briceño, César, Law, Nicholas, Mann, Andrew W., Ricker, George R., Vanderspek, Roland K., Latham, David W., Seager, S., Jenkins, Jon M., Winn, Joshua N., Caldwell, Douglas A., Charbonneau, David, Burke, Christopher J., Essack, Zahra

“…Abstract With data from the Transiting Exoplanet Survey Satellite (TESS), we showcase improvements to the MIT Quick Look Pipeline (QLP) through the discovery…”
Get full text

Validation of TOI-1221 b: A Warm Sub-Neptune Exhibiting Transit Timing Variations around a Sun-like Star by Mann, Christopher, Lafreniére, David, Dragomir, Diana, Quinn, Samuel N., Tan, Thiam-Guan, Collins, Karen A., Howell, Steve B., Ziegler, Carl, Mann, Andrew W., Stassun, Keivan G., Kristiansen, Martti H., Osborn, Hugh, Boyajian, Tabetha, Eisner, Nora, Hellier, Coel, Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, S., Winn, Joshua N., Jenkins, Jon M., Villaseñor, Jesus Noel, McLean, Brian, Rowden, Pamela, Torres, Guillermo, Caldwell, Douglas A., Collins, Kevin I., Schwarz, Richard P.

“…Abstract We present a validation of a long-period ( 91.68278 − 0.00041 + 0.00032 days) transiting sub-Neptune planet, TOI-1221 b (TIC 349095149.01), around a…”
Get full text

TRANSIT TIMING OBSERVATIONS FROM KEPLER. V. TRANSIT TIMING VARIATION CANDIDATES IN THE FIRST SIXTEEN MONTHS FROM POLYNOMIAL MODELS by FORD, Eric B, RAGOZZINE, Darin, GAUTIER, Thomas N, HOLMAN, Matthew J, IBRAHIM, Khadeejah A, KJELDSEN, Hans, KINEMUCHI, Karen, KOCH, David G, LISSAUER, Jack J, STILL, Martin, TENENBAUM, Peter, UODIN, Kamal, ROWE, Jason F, WELSH, William, STEFFEN, Jason H, BARCLAY, Thomas, BATALHA, Natalie M, BORUCKI, William J, BRYSON, Stephen T, CALDWELL, Douglas A, FABRYCKY, Daniel C

“…Transit timing variations provide a powerful tool for confirming and characterizing transiting planets, as well as detecting non-transiting planets. We report…”
Get full text

Five Kepler Target Stars That Show Multiple Transiting Exoplanet Candidates by Steffen, Jason H, Batalha, Natalie M, Borucki, William J, Buchhave, Lars A, Caldwell, Douglas A, Cochran, William D, Endl, Michael, Fabrycky, Daniel C, Fressin, François, Ford, Eric B, Fortney, Jonathan J, Haas, Michael J, Holman, Matthew J, Howell, Steve B, Isaacson, Howard, Jenkins, Jon M, Koch, David, Latham, David W, Lissauer, Jack J, Moorhead, Althea V, Morehead, Robert C, Marcy, Geoffrey, MacQueen, Phillip J, Quinn, Samuel N, Ragozzine, Darin, Rowe, Jason F, Sasselov, Dimitar D, Seager, Sara, Torres, Guillermo, Welsh, William F

“…ABSTRACT We present and discuss five candidate exoplanetary systems identified with the Kepler spacecraft. These five systems show transits from multiple…”
Get full text