Search

Your search keyword '"Billy Quarles"' showing total 7 results
Start Over Author "Billy Quarles" Database NASA Technical Reports
7 results on '"Billy Quarles"'

4. TIC 172900988: A Transiting Circumbinary Planet Detected in One Sector of TESS Data

Author

Veselin B. Kostov, Brian P. Powell, Jerome A. Orosz, William F. Welsh, William D. Cochran, Karen A. Collins, Michael Endl, Coel Hellier, David W. Latham, Phillip MacQueen, Joshua Pepper, Billy Quarles, Lalitha Sairam, Guillermo Torres, Robert F. Wilson, Serge Bergeron, Pat Boyce, Allyson Bieryla, Robert Buchheim, Caleb Ben Christiansen, David R. Ciardi, Kevin I. Collins, Dennis M. Conti, Scott Dixon, Pere Guerra, Nader Haghighipour, Jeffrey Herman, Eric G. Hintz, Ward S. Howard, Eric L. N. Jensen, John F. Kielkopf, Ethan Kruse, Nicholas M. Law, David Martin, Pierre F. L. Maxted, Benjamin T. Montet, Felipe Murgas, Matt Nelson, Gregory Olmschenk, Sebastian Otero, Robert Quimby, Michael Richmond, Richard P. Schwarz, Avi Shporer, Keivan G. Stassun, Denise C. Stephens, Amaury H. M. J. Triaud, Joe Ulowetz, Bradley S. Walter, Edward Wiley, David Wood, Mitchell Yenawine, Eric Agol, Thomas Barclay, Thomas G. Beatty, Isabelle Boisse, Douglas A. Caldwell, Jessie Christiansen, Knicole D. Colon, Magali Deleuil, Laurance Doyle, Michael Fausnaugh, Gábor Fűrész, Emily A. Gilbert, Guillaume Hébrard, David J. James, Jon Jenkins, Stephen R. Kane, Richard C. Kidwell Jr, Ravi Kopparapu, Gongjie Li, Jack J. Lissauer, Michael B. Lund, Steve R. Majewski, Tsevi Mazeh, Samuel N. Quinn, Elisa Quintana, George R Ricker, Joseph E. Rodriguez, Jason Rowe, Alexander Santerne, Joshua Schlieder, Sara Seager, Matthew R. Standing, Daniel J. Stevens, Eric B. Ting, Roland Vanderspek, and Joshua N. Winn

Subjects
Astronomy
Abstract

We report the first discovery of a transiting circumbinary planet detected from a single sector of Transiting Exoplanet Survey Satellite (TESS) data. During Sector 21, the planet TIC 172900988b transited the primary star and then five days later it transited the secondary star. The binary is itself eclipsing, with a period P ≈ 19.7 days and an eccentricity e ≈ 0.45. Archival data from ASAS-SN, Evryscope, KELT, and SuperWASP reveal a prominent apsidal motion of the binary orbit, caused by the dynamical interactions between the binary and the planet. A comprehensive photodynamical analysis of the TESS, archival and follow-up data yields stellar masses and radii of M(1) = 1.2384 ± 0.0007 Mꙩ and R(1) = 1.3827 ± 0.0016 Rꙩ for the primary and M(2) = 1.2019 ± 0.0007 Mꙩ and R(2) = 1.3124 ± 0.0012 Rꙩ for the secondary. The radius of the planet is R(3) = 11.25 ± 0.44 Rꚛ (1.004 ± 0.039R(Jup)). The planet’s mass and orbital properties are not uniquely determined—there are six solutions with nearly equal likelihood. Specifically, we find that the planet’s mass is in the range of 824 ≲ M3 ≲ 981 Mꚛ (2.65 ≲ M3 ≲ 3.09M(Jup)), its orbital period could be 188.8, 190.4, 194.0, 199.0, 200.4, or 204.1 days, and the eccentricity is between 0.02 and 0.09. At V = 10.141 mag, the system is accessible for high-resolution spectroscopic observations, e.g., the Rossiter–McLaughlin effect and transit spectroscopy.

Published
2021
Full Text
View/download PDF

5. TOI-1338: TESS’ First Transiting Circumbinary Planet

Author

Veselin B. Kostov, Jerome A. Orosz, Adina D. Feinstein, William F. Welsh, Wolf Cukier, Nader Haghighipour, Billy Quarles, David V. Martin, Benjamin T. Montet, Guillermo Torres, Amaury H. M. J. Triaud, Thomas Barclay, Patricia Boyd, Cesar Briceno, Andrew Collier Cameron, Alexandre C. M. Correia, Emily A Gilbert, Samuel Gill, Michaël Gillon, Jacob Haqq-Misra, Coel Hellier, Courtney Dressing, Daniel C. Fabrycky, Gabor Furesz, Jon M Jenkins, Stephen R. Kane, Ravi Kopparapu, Vedad Kunovac Hodzic, David W. Latham, Nicholas Law, Alan M. Levine, Gongjie Li, Chris Lintott, Jack J. Lissauer, Andrew W. Mann, Tsevi Mazeh, Rosemary Mardling, Pierre F. L. Maxted, Nora Eisner, Francesco Pepe, Joshua Pepper, Don Pollacco, Samuel N. Quinn, Elisa V Quintana, Jason F. Rowe, George Ricker, Mark E Rose, S. Seager, Alexandre Santerne, Damien Ségransan, Donald R. Short, Jeffrey C. Smith, Matthew R. Standing, Andrei Tokovinin, Trifon Trifonov, Oliver Turner, Joseph D. Twicken, Stéphane Udry, Roland Vanderspek, Joshua N. Winn, Eric T. Wolf, Carl Ziegler, Peter Ansorge, Frank Barnet, Joel Bergeron, Marc Huten, Giuseppe Pappa, and Timo van der Straeten

Subjects
Astronomy
Abstract

We report the detection of the first circumbinary planet (CBP) found by Transiting Exoplanet Survey Satellite (TESS). The target, a known eclipsing binary, was observed in sectors 1 through 12 at 30 minute cadence and in sectors 4 through 12 at 2 minute cadence. It consists of two stars with masses of 1.1M(ʘ) and 0.3M(ʘ) on a slightly eccentric (0.16), 14.6 day orbit, producing prominent primary eclipses and shallow secondary eclipses. The planet has a radius of ∼6.9R(⊕) and was observed to make three transits across the primary star of roughly equal depths (∼0.2%) but different durations—a common signature of transiting CBPs. Its orbit is nearly circular (e≈0.09) with an orbital period of 95.2 days. The orbital planes of the binary and the planet are aligned to within ∼1°. To obtain a complete solution for the system, we combined the TESS photometry with existing ground-based radialvelocity observations in a numerical photometric-dynamical model. The system demonstrates the discovery potential of TESS for CBPs and provides further understanding of the formation and evolution of planets orbiting close binary stars.

Published
2020
Full Text
View/download PDF

6. Imaging Earth-like Exoplanets with a Small Space Telescope

Author

Ruslan Belikov, Michael William Mcelwain, Tom Barclay, Natalie M. Batalha, Eduardo Bendek, Supriya Chakrabarti, Thayne Currie, Colin Goldblatt, Olivier Guyon, N Jeremy Kasdin, Jim Kasting, Brian D Kern, Jack J Lissauer, Julien Lozi, Jared R Males, Franck Laurent Marchis, Mark S. Marley, Christian Marois, Michael W. Mcelwain, Christopher B. Mendillo, Jon A Morse, Eugene Pluzhnik, Laurent Pueyo, Billy Quarles, Elisa V Quintana, A J Eldorado Riggs, Dan Sirbu, Karl R Stapelfeldt, and Margaret Turnbull

Subjects
Lunar And Planetary Science And Exploration, Instrumentation And Photography
Abstract

The Cen AB system represents a particularly attractive target for missions to directly image exoplanets. A potentially habitable planet can in theory be imaged in the system with a telescope as small as 40cm, provided it has a powerful enough starlight suppression system. Technology to enable this is rapidly maturing, and there have been several mission concept studies. This technology is relevant to missions like WFIRST, LUVOIR, and HabEx because it enables them to image binary stars. Small coronagraph mission concepts described here would also complement and synergize with all the above missions. We suggest that a stronger ongoing program is needed, perhaps building on the recent Small Sat concept study initiative, to support mission concept and proposal development for Small Sats ($35M), Missions of Opportunity ($75M) and possibly up through Explorer missions.

Published
2019

Catalog

Books, media, physical & digital resources
See catalog results