Search Results - "Plavchan, Peter"

The Implications of ‘Oumuamua on Panspermia by Cao, David, Plavchan, Peter, Summers, Michael

“…Panspermia is the hypothesis that life originated on Earth from the bombardment of foreign interstellar ejecta harboring polyextremophile microorganisms. Since…”
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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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The Surprising Evolution of the Shadow on the TW Hya Disk by Debes, John, Nealon, Rebecca, Alexander, Richard, Weinberger, Alycia J., Wolff, Schuyler Grace, Hines, Dean, Kastner, Joel, Jang-Condell, Hannah, Pinte, Christophe, Plavchan, Peter, Pueyo, Laurent

“…Abstract We report new total-intensity visible-light high-contrast imaging of the TW Hya disk taken with the Space Telescope Imaging Spectrograph (STIS) on the…”
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Flares, Rotation, and Planets of the AU Mic System from TESS Observations by Gilbert, Emily A., Barclay, Thomas, Quintana, Elisa V., Walkowicz, Lucianne M., Vega, Laura D., Schlieder, Joshua E., Monsue, Teresa, Cale, Bryson L., Collins, Kevin I., Gaidos, Eric, El Mufti, Mohammed, Reefe, Michael A., Plavchan, Peter, Tanner, Angelle, Wittenmyer, Robert A., Wittrock, Justin M., Jenkins, Jon M., Latham, David W., Ricker, George R., Rose, Mark E., Seager, S., Vanderspek, Roland K., Winn, Joshua N.

“…Abstract AU Mic is a young (∼24 Myr), pre-main-sequence M dwarf star that was observed in the first month of science observations of the Transiting Exoplanet…”
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Quantifying the Transit Light Source Effect: Measurements of Spot Temperature and Coverage on the Photosphere of AU Microscopii with High-resolution Spectroscopy and Multicolor Photometry by Waalkes, William C., Berta-Thompson, Zachory K., Newton, Elisabeth R., Mann, Andrew W., Gao, Peter, Wakeford, Hannah R., Alderson, Lili, Plavchan, Peter

“…Abstract AU Microscopii (AU Mic) is an active 24 ± 3 Myr pre-main-sequence M dwarf in the stellar neighborhood ( d = 9.7 pc) with a rotation period of 4.86…”
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Simulations for Planning Next-generation Exoplanet Radial Velocity Surveys by Newman, Patrick D, Plavchan, Peter, Burt, Jennifer A., Teske, Johanna, Mamajek, Eric E., Leifer, Stephanie, Gaudi, B. Scott, Blackwood, Gary, Morgan, Rhonda

“…Abstract Future direct imaging missions similar to the HabEx and LUVOIR mission concepts aim to catalog and characterize Earth-mass analogs around nearby…”
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Impact of Correlated Noise on the Mass Precision of Earth-analog Planets in Radial Velocity Surveys by Luhn, Jacob K., Ford, Eric B., Guo, Zhao, Gilbertson, Christian, Newman, Patrick, Plavchan, Peter, Burt, Jennifer A., Teske, Johanna, Gupta, Arvind F.

“…Abstract Characterizing the masses and orbits of near-Earth-mass planets is crucial for interpreting observations from future direct imaging missions (e.g.,…”
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The Variable Detection of Atmospheric Escape around the Young, Hot Neptune AU Mic b by Rockcliffe, Keighley E., Newton, Elisabeth R., Youngblood, Allison, Duvvuri, Girish M., Plavchan, Peter, Gao, Peter, Mann, Andrew W., Lowrance, Patrick J.

“…Photoevaporation is a potential explanation for several features within exoplanet demographics. Atmospheric escape observed in young Neptune-sized exoplanets…”
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Large impacts around a solar-analog star in the era of terrestrial planet formation by Meng, Huan Y. A., Su, Kate Y. L., Rieke, George H., Stevenson, David J., Plavchan, Peter, Rujopakarn, Wiphu, Lisse, Carey M., Poshyachinda, Saran, Reichart, Daniel E.

“…The final assembly of terrestrial planets occurs via massive collisions, which can launch copious clouds of dust that are warmed by the star and glow in the…”
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The Metallicity and Carbon-to-oxygen Ratio of the Ultrahot Jupiter WASP-76b from Gemini-S/IGRINS by Weiner Mansfield, Megan, Line, Michael R., Wardenier, Joost P., Brogi, Matteo, Bean, Jacob L., Beltz, Hayley, Smith, Peter, Zalesky, Joseph A., Batalha, Natasha, Kempton, Eliza M.-R., Montet, Benjamin T., Owen, James E., Plavchan, Peter, Rauscher, Emily

“…Abstract Measurements of the carbon-to-oxygen (C/O) ratios of exoplanet atmospheres can reveal details about their formation and evolution. Recently,…”
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Giant Outer Transiting Exoplanet Mass (GOT ’EM) Survey. III. Recovery and Confirmation of a Temperate, Mildly Eccentric, Single-transit Jupiter Orbiting TOI-2010 by Mann, Christopher R., Dalba, Paul A., Lafrenière, David, Fulton, Benjamin J., Hébrard, Guillaume, Boisse, Isabelle, Dalal, Shweta, Deleuil, Magali, Delfosse, Xavier, Demangeon, Olivier, Forveille, Thierry, Heidari, Neda, Kiefer, Flavien, Martioli, Eder, Moutou, Claire, Endl, Michael, Cochran, William D., MacQueen, Phillip, Marchis, Franck, Dragomir, Diana, Gupta, Arvind F., Feliz, Dax L., Nicholson, Belinda A., Ziegler, Carl, Villanueva, Steven, Rowe, Jason, Talens, Geert Jan, Thorngren, Daniel, LaCourse, Daryll, Jacobs, Tom, Howard, Andrew W., Bieryla, Allyson, Latham, David W., Rabus, Markus, Fetherolf, Tara, Hellier, Coel, Howell, Steve B., Plavchan, Peter, Reefe, Michael, Combs, Deven, Bowen, Michael, Wittrock, Justin, Ricker, George R., Seager, S., Winn, Joshua N., Jenkins, Jon M., Barclay, Thomas, Watanabe, David, Collins, Karen A., Eastman, Jason D., Ting, Eric B.

“…Abstract Large-scale exoplanet surveys like the Transiting Exoplanet Survey Satellite (TESS) mission are powerful tools for discovering large numbers of…”
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Transit Timing Variations for AU Microscopii b and c by Wittrock, Justin M., Dreizler, Stefan, Reefe, Michael A., Morris, Brett M., Plavchan, Peter P., Lowrance, Patrick J., Demory, Brice-Olivier, Ingalls, James G., Gilbert, Emily A., Barclay, Thomas, Cale, Bryson L., Collins, Karen A., Collins, Kevin I., Crossfield, Ian J. M., Dragomir, Diana, Eastman, Jason D., Mufti, Mohammed El, Feliz, Dax, Gagné, Jonathan, Gaidos, Eric, Gao, Peter, Geneser, Claire S., Hebb, Leslie, Henze, Christopher E., Horne, Keith D., Jenkins, Jon M., Jensen, Eric L. N., Kane, Stephen R., Kaye, Laurel, Martioli, Eder, Monsue, Teresa A., Pallé, Enric, Quintana, Elisa V., Radford, Don J., Roccatagliata, Veronica, Schlieder, Joshua E., Schwarz, Richard P., Shporer, Avi, Stassun, Keivan G., Stockdale, Christopher, Tan, Thiam-Guan, Tanner, Angelle M., Vanderburg, Andrew, Vega, Laura D., Wang, Songhu

“…We explore the transit timing variations (TTVs) of the young (22 Myr) nearby AU Mic planetary system. For AU Mic b, we introduce three Spitzer (4.5 μm)…”
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HD 83443c: A Highly Eccentric Giant Planet on a 22 yr Orbit by Errico, Adriana, Wittenmyer, Robert A., Horner, Jonathan, Li, Zhexing, Brandt, G. Mirek, Kane, Stephen R., Fetherolf, Tara, Holt, Timothy R., Carter, Brad, Clark, Jake T., Butler, R. P., Tinney, C. G., Ballard, Sarah, Bowler, Brendan P., Kielkopf, John, Liu, Huigen, Plavchan, Peter P., Shporer, Avi, Zhang, Hui, Wright, Duncan J., Addison, Brett C., Mengel, Matthew W., Okumura, Jack

“…Abstract We report the discovery of a highly eccentric long-period Jovian planet orbiting the hot-Jupiter host HD 83443. By combining radial velocity data from…”
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Validating AU Microscopii d with Transit Timing Variations by Wittrock, Justin M., Plavchan, Peter P., Cale, Bryson L., Barclay, Thomas, Ludwig, Mathis R., Schwarz, Richard P., Mékarnia, Djamel, J. Triaud, Amaury H. M., Abe, Lyu, Suarez, Olga, Guillot, Tristan, Conti, Dennis M., Collins, Karen A., Waite, Ian A., Kielkopf, John F., Collins, Kevin I., Dreizler, Stefan, El Mufti, Mohammed, Feliz, Dax L., Gaidos, Eric, Geneser, Claire S., Horne, Keith D., Kane, Stephen R., Lowrance, Patrick J., Martioli, Eder, Radford, Don J., Reefe, Michael A., Roccatagliata, Veronica, Shporer, Avi, Stassun, Keivan G., Stockdale, Christopher, Tan, Thiam-Guan, Tanner, Angelle M., Vega, Laura D.

“…Abstract AU Mic is a young (22 Myr), nearby exoplanetary system that exhibits excess transit timing variations (TTVs) that cannot be accounted for by the two…”
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TOI-1994b: A Low-mass Eccentric Brown Dwarf Transiting A Subgiant Star by Page, Emma, Pepper, Joshua, Wright, Duncan, Rodriguez, Joseph E., Wittenmyer, Robert A., Kane, Stephen R., Addison, Brett, Bedding, Timothy, Bowler, Brendan P., Barclay, Thomas, Collins, Karen A., Evans, Phil, Horner, Jonathan, Jensen, Eric L. N., Johnson, Marshall C., Kielkopf, John, Mireles, Ismael, Plavchan, Peter, Quinn, Samuel N., Seager, S., Shporer, Avi, Stassun, Keivan G., Striegel, Stephanie, Winn, Joshua N., Zhou, George, Ziegler, Carl

“…Abstract We present the discovery of TOI-1994b, a low-mass brown dwarf transiting a hot subgiant star on a moderately eccentric orbit. TOI-1994 has an…”
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Trials and Tribulations in the Reanalysis of KELT-24 b: A Case Study for the Importance of Stellar Modeling by Giovinazzi, Mark R., Cale, Bryson, Eastman, Jason D., Rodriguez, Joseph E., Blake, Cullen H., Stassun, Keivan G., Vanderburg, Andrew, Kunimoto, Michelle, Kraus, Adam L., Twicken, Joseph, Beatty, Thomas G., Dedrick, Cayla M., Horner, Jonathan, Johnson, John A., Johnson, Samson A., McCrady, Nate, Plavchan, Peter, Sliski, David H., Wilson, Maurice L., Wittenmyer, Robert A., Wright, Jason T., Johnson, Marshall C., Rose, Mark E., Cornachione, Matthew

“…Abstract We present a new analysis of the KELT-24 system, comprising a well-aligned hot Jupiter, KELT-24 b, and a bright ( V = 8.3), nearby ( d = 96.9 pc)…”
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Where Are the M Dwarf Disks Older Than 10 Million Years? by Plavchan, Peter, Jura, M, Lipscy, S. J

“…We present 11.7 km observations of nine late-type dwarfs obtained at the Keck I 10 m telescope in 2002 December and 2003 April. Our targets were selected for…”
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A HIGH-PRECISION NEAR-INFRARED SURVEY FOR RADIAL VELOCITY VARIABLE LOW-MASS STARS USING CSHELL AND A METHANE GAS CELL by Gagné, Jonathan, Plavchan, Peter, Gao, Peter, Anglada-Escude, Guillem, Furlan, Elise, Davison, Cassy, Tanner, Angelle, Henry, Todd J., Riedel, Adric R., Brinkworth, Carolyn, Latham, David, Bottom, Michael, White, Russel, Mills, Sean, Beichman, Chas, Johnson, John A., Ciardi, David R., Wallace, Kent, Mennesson, Bertrand, von Braun, Kaspar, Vasisht, Gautam, Prato, Lisa, Kane, Stephen R., Mamajek, Eric E., Walp, Bernie, Crawford, Timothy J., Rougeot, Raphaël, Geneser, Claire S., Catanzarite, Joseph

“…ABSTRACT We present the results of a precise near-infrared (NIR) radial velocity (RV) survey of 32 low-mass stars with spectral types K2-M4 using CSHELL at the…”
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First Radial Velocity Results From the MINiature Exoplanet Radial Velocity Array (MINERVA) by Wilson, Maurice L., Eastman, Jason D., Cornachione, Matthew A., Wang, Sharon X., Johnson, Samson A., Sliski, David H., Schap III, William J., Morton, Timothy D., Johnson, John Asher, McCrady, Nate, Wright, Jason T., Wittenmyer, Robert A., Plavchan, Peter, Blake, Cullen H., Swift, Jonathan J., Bottom, Michael, Baker, Ashley D., Barnes, Stuart I., Berlind, Perry, Blackhurst, Eric, Beatty, Thomas G., Bolton, Adam S., Cale, Bryson, Calkins, Michael L., Colón, Ana, Vera, Jon de, Esquerdo, Gilbert, Falco, Emilio E., Fortin, Pascal, Garcia-Mejia, Juliana, Geneser, Claire, Gibson, Steven R., Grell, Gabriel, Groner, Ted, Halverson, Samuel, Hamlin, John, Henderson, M., Horner, J., Houghton, Audrey, Janssens, Stefaan, Jonas, Graeme, Jones, Damien, Kirby, Annie, Lawrence, George, Luebbers, Julien Andrew, Muirhead, Philip S., Myles, Justin, Nava, Chantanelle, Rivera-García, Kevin O, Reed, Tony, Relles, Howard M., Riddle, Reed, Robinson, Connor, de Saintonge, Forest Chaput, Sergi, Anthony

“…The MINiature Exoplanet Radial Velocity Array (MINERVA) is a dedicated observatory of four 0.7 m robotic telescopes fiber-fed to a KiwiSpec spectrograph. The…”
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KECK/NIRC2 IMAGING OF THE WARPED, ASYMMETRIC DEBRIS DISK AROUND HD 32297 by CURRIE, Thayne, RODIGAS, Timothy J, ROBITAILLE, Thomas, DEBES, John, PLAVCHAN, Peter, KUCHNER, Marc, JANG-CONDELL, Hannah, WILNER, David, ANDREWS, Sean, KRAUS, Adam, DAHM, Scott

“…We present Keck/NIRC2 K sub(s)-band high-contrast coronagraphic imaging of the luminous debris disk around the nearby, young A star HD 32297 resolved at a…”
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