Results 61 to 70 of about 150,874 (286)

The California-Kepler Survey. I. High-resolution Spectroscopy of 1305 Stars Hosting Kepler Transiting Planets [PDF]

open access: yes, 2017
The California-Kepler Survey (CKS) is an observational program developed to improve our knowledge of the properties of stars found to host transiting planets by NASA’s Kepler Mission.
E. Petigura   +14 more
semanticscholar   +1 more source

A Probabilistic Approach to Kepler Completeness and Reliability for Exoplanet Occurrence Rates [PDF]

open access: yesAstronomical Journal, 2019
Exoplanet catalogs produced by surveys suffer from a lack of completeness (not every planet is detected) and less than perfect reliability (not every planet in the catalog is a true planet), particularly near the survey’s detection limit.
S. Bryson   +7 more
semanticscholar   +1 more source

Elimination of Necking and Aspect Ratio Dependence in Uniaxial Actuators by Continuous Fiber Reinforcement

open access: yesAdvanced Robotics Research, EarlyView.
A novel carbon fiber reinforcement for dielectric elastomer actuators enhances actuation force while decoupling electromechanical performance from the actuator's aspect ratio. Unlike conventional fiber reinforcements, it enables a uniform planar stretch state along the entire actuator.
Markus Koenigsdorff   +8 more
wiley   +1 more source

Multiplicity and properties of Kepler planet candidates: High spatial imaging and RV studies*

open access: yesEPJ Web of Conferences, 2013
The Kepler space telescope is discovering thousands of new planet candidates. However, a follow up program is needed in order to reject false candidates and to fully characterize the bona-fide exoplanets.
Aceituno J.   +4 more
doaj   +1 more source

Phase Curves of the Kepler-11 Multi-Planet System [PDF]

open access: yes, 2014
The Kepler mission has allowed the detection of numerous multi-planet exosystems where the planetary orbits are relatively compact. The first such system detected was Kepler-11 which has six known planets at the present time. These kinds of systems offer
Gelino, Dawn M., Kane, Stephen R.
core   +3 more sources

Recent Advances in Robotic Systems for Robot‐Assisted Transoral Surgical Procedures: A Systematic Review

open access: yesAdvanced Robotics Research, EarlyView.
This review systematically examines robotic systems for robot‐assisted transoral surgical procedures, classifying them based on transoral access depth, and evaluates their fundamental design principles, mechanical innovations, algorithmic advancements, and clinical implementation status.
Yuhao Shi   +5 more
wiley   +1 more source

Photochemical Control of Perovskite Crystal Formation at Room Temperature

open access: yesAdvanced Science, EarlyView.
The authors demonstrate how ultraviolet (UV) light can enable the crystallization of two‐dimensional (2D) perovskite crystals that are otherwise difficult to grow using conventional thermal methods. These findings are supplemented with a detailed mechanistic description for the interaction of the UV irradiation with the perovskite precursor components.
Magdalena Breitwieser   +14 more
wiley   +1 more source

A Search for Lost Planets in the Kepler Multi-planet Systems and the Discovery of the Long-period, Neptune-sized Exoplanet Kepler-150 f [PDF]

open access: yes, 2017
The vast majority of the 4700 confirmed planets and planet candidates discovered by the Kepler mission were first found by the Kepler pipeline. In the pipeline, after a transit signal is found, all data points associated with those transits are removed ...
Fischer, Debra A.   +2 more
core   +3 more sources

FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES [PDF]

open access: yes, 2016
We present astrophysical false positive probability calculations for every Kepler Object of Interest (KOI)—the first large-scale demonstration of a fully automated transiting planet validation procedure.
T. Morton   +7 more
semanticscholar   +1 more source

Discovery of a Third Transiting Planet in the Kepler-47 Circumbinary System [PDF]

open access: yesAstronomical Journal, 2019
Of the nine confirmed transiting circumbinary planet systems, only Kepler-47 is known to contain more than one planet. Kepler-47 b (the “inner planet”) has an orbital period of 49.5 days and a radius of about 3 R⊕. Kepler-47 c (the “outer planet”) has an
J. Orosz   +18 more
semanticscholar   +1 more source

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