Results 31 to 40 of about 150,874 (286)

THE OCCURRENCE OF POTENTIALLY HABITABLE PLANETS ORBITING M DWARFS ESTIMATED FROM THE FULL KEPLER DATASET AND AN EMPIRICAL MEASUREMENT OF THE DETECTION SENSITIVITY [PDF]

, 2015
We present an improved estimate of the occurrence rate of small planets orbiting small stars by searching the full four-year Kepler data set for transiting planets using our own planet detection pipeline and conducting transit injection and recovery ...
C. Dressing, D. Charbonneau
semanticscholar   +1 more source

Characterisation and impact of intratumoural stroma in melanoma and carcinoma brain metastases. [PDF]

J Pathol Clin Res
Abstract Research on the tumour microenvironment in brain metastases (BM) has predominantly focused on the immune response, while the presence, morphological patterns, and potential clinical relevance of intratumoural stroma remain less intensively investigated.
Bandke D, Weis S, Gruber A, Noack P, Kalev O, Ornig K, Langer R.   +6 more
europepmc   +2 more sources

About 30% of Sun-like Stars Have Kepler-like Planetary Systems: A Study of Their Intrinsic Architecture [PDF]

Astrophysical Journal, 2018
We constrain the intrinsic architecture of Kepler planetary systems by modeling the observed multiplicities of the transiting planets (tranets) and their transit timing variations (TTVs).
W. Zhu 祝, C. Petrovich, Y. Wu 武, Subo 苏勃 Dong 东, J. Xie 谢   +4 more
semanticscholar   +1 more source

Confirmation of the Gaia DR2 Parallax Zero-point Offset Using Asteroseismology and Spectroscopy in the Kepler Field [PDF]

Astrophysical Journal, 2018
We present an independent confirmation of the zero-point offset of Gaia Data Release 2 parallaxes using asteroseismic data of evolved stars in the Kepler field.
J. Zinn, M. Pinsonneault, D. Huber, D. Stello   +3 more
semanticscholar   +1 more source

Occurrence rates of planets orbiting M Stars: applying ABC to Kepler DR25, Gaia DR2, and 2MASS data [PDF]

Monthly notices of the Royal Astronomical Society, 2020
We present robust planet occurrence rates for Kepler planet candidates around M stars for planet radii Rp = 0.5–4 R⊕ and orbital periods P = 0.5–256 d using the approximate Bayesian computation technique.
D. Hsu, E. Ford, R. Terrien
semanticscholar   +1 more source

The atmospheres of the hot-Jupiters Kepler-5b and Kepler-6b observed during occultations with Warm-Spitzer and Kepler [PDF]

, 2011
This paper reports the detection and the measurements of occultations of the two transiting hot giant exoplanets Kepler-5b and Kepler-6b by their parent stars. The observations are obtained in the near infrared with Spitzer Space Telescope and at optical
Borucki, William J., Brown, Timothy M., Caldwell, Douglas, Charbonneau, David, Deming, Drake, Desert, Jean-Michel, Ford, Eric B., Fortney, Jonathan J., Fressin, Francois, Gilliland, Ronald L., Knutson, Heather A., Latham, David W., Madhusudhan, Nikku, Marcy, Geoffrey W., Seager, Sara, Team, the Kepler Science   +15 more
core   +3 more sources

Kepler Planet Occurrence Rates for Mid-type M Dwarfs as a Function of Spectral Type [PDF]

Astronomical Journal, 2019
Previous studies of planet occurrence rates largely relied on photometric stellar characterizations. In this paper, we present planet occurrence rates for mid-type M dwarfs using spectroscopy, parallaxes, and photometry to determine stellar ...
K. Hardegree-Ullman, M. Cushing, P. Muirhead, J. Christiansen   +3 more
semanticscholar   +1 more source

Identifying Exoplanets with Deep Learning: A Five-planet Resonant Chain around Kepler-80 and an Eighth Planet around Kepler-90 [PDF]

, 2017
NASA’s Kepler Space Telescope was designed to determine the frequency of Earth-sized planets orbiting Sun-like stars, but these planets are on the very edge of the mission’s detection sensitivity.
Christopher J. Shallue, A. Vanderburg
semanticscholar   +1 more source

Evolution of the Radius Valley around Low-mass Stars from Kepler and K2 [PDF]

Astronomical Journal, 2019
We present calculations of the occurrence rate of small close-in planets around low-mass dwarf stars using the known planet populations from the Kepler and K2 missions.
R. Cloutier, K. Menou
semanticscholar   +1 more source

Transit Timing Observations from Kepler: III. Confirmation of 4 Multiple Planet Systems by a Fourier-Domain Study of Anti-correlated Transit Timing Variations [PDF]

, 2012
We present a method to confirm the planetary nature of objects in systems with multiple transiting exoplanet candidates. This method involves a Fourier-Domain analysis of the deviations in the transit times from a constant period that result from ...
Agol, Althea V. Moorhead, Avi Shporer, Borucki, Borucki, Brown, Charbonneau, Christopher K. Middour, Claret, Daniel C. Fabrycky, Darin Ragozzine, David Charbonneau, David G. Koch, David R. Ciardi, David W. Latham, Douglas A. Caldwell, Duquennoy, Désert, Désert, Elisa V. Quintana, Elliott Horch, Eric B. Ford, Fabrycky, Fazio, Fergal R. Mullally, Fischer, Ford, Ford, Forrest R. Girouard, Francois Fressin, Fressin, Geoffrey W. Marcy, Holman, Holman, Howard Isaacson, Jack J. Lissauer, Jason F. Rowe, Jason H. Steffen, Jean-Michel Désert, Jeffery Van Cleve, Jenkins, Jie Li, Jon M. Jenkins, Joseph D. Twicken, Joshua A. Carter, Koch, Lars A. Buchhave, Latham, Lissauer, Lissauer, Lissauer, Mandel, Mark E. Everett, Martin Still, Matthew J. Holman, Michael Endl, Morel, Natalie M. Batalha, Nesvorný, Peter Tenenbaum, Philip Lucas, Phillip J. MacQueen, Press, Raghavan, Robert L. Morris, Ron L. Gilliland, Samuel N. Quinn, Sean McCauliff, Steffen, Steve B. Howell, Steve Bryson, Susan E. Thompson, Thomas N. Gautier, Todd C. Klaus, Torres, Valenti, Werner, William D. Cochran, William F. Welsh, William J. Borucki   +79 more
core   +7 more sources