D
David R. Ciardi
Researcher at California Institute of Technology
Publications - 714
Citations - 55938
David R. Ciardi is an academic researcher from California Institute of Technology. The author has contributed to research in topics: Planet & Exoplanet. The author has an hindex of 106, co-authored 650 publications receiving 50360 citations. Previous affiliations of David R. Ciardi include University of Wyoming & Association of Universities for Research in Astronomy.
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Journal ArticleDOI
TOI-674b: An oasis in the desert of exo-Neptunes transiting a nearby M dwarf
Felipe Murgas,Nicola Astudillo-Defru,Xavier Bonfils,Ian J. M. Crossfield,Jose-Manuel Almenara,John H. Livingston,Keivan G. Stassun,Judith Korth,J. Orell-Miquel,G. Morello,Jason D. Eastman,Jack J. Lissauer,Stephen R. Kane,Farisa Y. Morales,Michael W. Werner,Varoujan Gorjian,Björn Benneke,Diana Dragomir,Elisabeth Matthews,Steve B. Howell,David R. Ciardi,Erica J. Gonzales,Rachel A. Matson,Charles Beichman,Joshua E. Schlieder,Karen A. Collins,Kevin I. Collins,Eric L. N. Jensen,Phil Evans,Francisco J. Pozuelos,Michaël Gillon,Emmanuel Jehin,Khalid Barkaoui,Étienne Artigau,François Bouchy,David Charbonneau,X. Delfosse,Rodrigo F. Díaz,René Doyon,Pedro Figueira,T. Forveille,Christophe Lovis,Claudio Melo,G. Gaisne,Francesco Pepe,Nuno C. Santos,Damien Ségransan,Stéphane Udry,Robert F. Goeke,Alan M. Levine,Elisa V. Quintana,Natalia Guerrero,Ismael Mireles,Douglas A. Caldwell,Peter Tenenbaum,C. E. Brasseur,George R. Ricker,Roland Vanderspek,David W. Latham,Sara Seager,Joshua N. Winn,Jon M. Jenkins +61 more
TL;DR: In this article, the authors used TESS, Spitzer, ground-based light curves, and HARPS spectrograph radial velocity measurements to establish the physical properties of the transiting exoplanet candidate TOI-674b.
Journal ArticleDOI
Kepler observations of three pre-launch exoplanet candidates: discovery of two eclipsing binaries and a new exoplanet
Steve B. Howell,Jason F. Rowe,W. H. Sherry,Kaspar von Braun,David R. Ciardi,Stephen T. Bryson,John J. Feldmeier,Elliott P. Horch,Gerard T. van Belle +8 more
TL;DR: In this article, the authors presented a first attempt to exclude false positives for three transiting exoplanet candidate stars without high-resolution radial velocity analysis, and used the Kepler light curves and pixel data, as well as medium-resolution reconnaissance spectroscopy and speckle imaging.
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K2-114b and K2-115b: Two Transiting Warm Jupiters
Avi Shporer,George Zhou,Benjamin J. Fulton,Benjamin J. Fulton,Andrew Vanderburg,Néstor Espinoza,Néstor Espinoza,Karen A. Collins,David R. Ciardi,Daniel Bayliss,James D. Armstrong,Joao Bento,François Bouchy,William D. Cochran,Andrew Collier Cameron,Knicole D. Colón,Ian J. M. Crossfield,Diana Dragomir,Andrew W. Howard,Steve B. Howell,Howard Isaacson,John F. Kielkopf,Felipe Murgas,Felipe Murgas,Ramotholo Sefako,Evan Sinukoff,Evan Sinukoff,Robert J. Siverd,Stéphane Udry +28 more
TL;DR: In this paper, the first results from a search for transiting warm Jupiter exoplanets were reported, which indicated that stellar irradiation does not play a significant role in determining the planet radius.
Journal ArticleDOI
Three Small Planets Transiting the Bright Young Field Star K2-233
Trevor J. David,Ian J. M. Crossfield,Björn Benneke,Erik A. Petigura,Erica J. Gonzales,Joshua E. Schlieder,Liang Yu,Howard Isaacson,Andrew W. Howard,David R. Ciardi,Eric E. Mamajek,Lynne A. Hillenbrand,Ann Marie Cody,Adric R. Riedel,Hans Martin Schwengeler,Christopher Tanner,Martin Ende +16 more
TL;DR: In this article, the authors reported the detection of three small transiting planets around the young K3 dwarf K2-233 (2MASS J15215519−2013539) from observations during Campaign 15 of the K2 mission.
Journal ArticleDOI
K2-265 b: a transiting rocky super-Earth
K. W. F. Lam,Alexandre Santerne,S. G. Sousa,Arthur Vigan,David J. Armstrong,S. C. C. Barros,B. Brugger,V. Adibekyan,Jose-Manuel Almenara,E. Delgado Mena,Xavier Dumusque,David Barrado,Daniel Bayliss,Aldo S. Bonomo,François Bouchy,Duncan A. Brown,David R. Ciardi,Magali Deleuil,Olivier Demangeon,Francesca Faedi,Francesca Faedi,E. Foxell,James A. G. Jackman,George W. King,James Kirk,R. Ligi,Jorge Lillo-Box,T. Lopez,C. Lovis,Tom Louden,Louise D. Nielsen,James McCormac,O. Mousis,H. P. Osborn,Don Pollacco,Nuno C. Santos,Stéphane Udry,Peter J. Wheatley +37 more
TL;DR: In this paper, the super-Earth K2-265 b was detected with K2 photometry, and the authors obtained high-precision follow-up radial velocity measurements from HARPS, and a joint Bayesian analysis showed that K2265 b has a radius of 1.71 ± 0.11 ǫ R and a mass of 6.54 ± 0.84 m ⊕, corresponding to a bulk density of 7.1 ± 1.8 cm−3.