English
Related papers

Related papers: Evidence for a Large Exomoon Orbiting Kepler-1625b

200 papers

We report the discovery and confirmation of a transiting circumbinary planet (PH1b) around KIC 4862625, an eclipsing binary in the Kepler field. The planet was discovered by volunteers searching the first six Quarters of publicly available…

The limited completeness of the Kepler sample for planets with orbital periods $\gtrsim$ 1 yr leaves open the possibility that exoplanetary systems may host undetected giant planets. Should such planets exist, their dynamical interactions…

Earth and Planetary Astrophysics · Physics 2016-01-20 T. O. Hands , R. D. Alexander

Determination of an exoplanet's mass is a key to understanding its basic properties, including its potential for supporting life. To date, mass constraints for exoplanets are predominantly based on radial velocity (RV) measurements, which…

Earth and Planetary Astrophysics · Physics 2014-01-27 Julien de Wit , Sara Seager

We analyze data from the Quarter 1-17 Data Release 24 (Q1--Q17 DR24) planet candidate catalog from NASA's Kepler mission, specifically comparing systems with single transiting planets to systems with multiple transiting planets, and…

Earth and Planetary Astrophysics · Physics 2016-11-09 Jason H. Steffen , Jeffrey L. Coughlin

We observe neither life beyond Earth, nor moons around exoplanets, despite the prevalence of Earth-like planets across the galaxy. We suggest Moonfall as a possible mechanism to explain both simultaneously.

Earth and Planetary Astrophysics · Physics 2024-07-26 Casey Brinkman , Keyan Gootkin , Rena A. Lee , Grey Murphree , Nick Saunders , Linnea Wolniewicz

From analytical studies of tidal heating, eclipses and planetary illumination, it is clear that the exomoon habitable zone (EHZ) - the set of moon and host planet orbits that permit liquid water on an Earthlike moon's surface - is a…

Earth and Planetary Astrophysics · Physics 2015-06-19 Duncan Forgan , Vergil Yotov

The paper presents a sample of newly detected eclipsing binaries from the public Kepler data. Orbits and fundamental parameters of 20 unknown eclipsing binaries were determined by modeling of their photometric data. Most of them are…

Solar and Stellar Astrophysics · Physics 2012-07-03 Dinko P. Dimitrov , Diana P. Kjurkchieva , Veselka S. Radeva

An intriguing pattern among exoplanets is the lack of detected planets between approximately $1.5$ R$_\oplus$ and $2.0$ R$_\oplus$. One proposed explanation for this "radius gap" is the photoevaporation of planetary atmospheres, a theory…

Compared to the giant planets in the solar system, exoplanets have many remarkable properties such as the prevalence of giant planets on eccentric orbits and the presence of hot Jupiters. Planet-planet scattering (PPS) between giant planets…

Earth and Planetary Astrophysics · Physics 2013-05-09 Yan-Xiang Gong , Ji-Lin Zhou , Ji-Wei Xie , Xiao-Mei Wu

Thousands of transiting exoplanets have been discovered to date, thanks in great part to the {\em Kepler} space mission. As in all populations, and certainly in the case of exoplanets, one finds unique objects with distinct characteristics.…

Earth and Planetary Astrophysics · Physics 2020-07-22 Jan Budaj , Petr Kabath , Enric Palle

We present the confirmation of a small, moderately-irradiated (F = 155 +/- 7 Fearth) Neptune with a substantial gas envelope in a P=11.8728787+/-0.0000085-day orbit about a quiet, Sun-like G0V star Kepler-1655. Based on our analysis of the…

Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However, this absence in the exoplanet population has escaped a firm…

The Kepler space telescope monitors over 156.000 stars with an unprecedented photometric precision. We are interested in stellar rotational periods which we find using Lomb-Scargle periodograms. This work focuses on the 306 exoplanet…

Solar and Stellar Astrophysics · Physics 2010-12-13 Timo Reinhold , Ansgar Reiners , Gibor Basri , Lucianne M. Walkowicz

Exomoons are expected to produce potentially detectable transit timing variations (TTVs) upon their parent planet. Unfortunately, distinguishing moon-induced TTVs from other sources, in particular planet-planet interactions, has severely…

Earth and Planetary Astrophysics · Physics 2020-12-03 David Kipping

Through our HARPS radial velocity survey for planets around solar twin stars, we have identified a promising Jupiter twin candidate around the star HIP11915. We characterize this Keplerian signal and investigate its potential origins in…

Earth and Planetary Astrophysics · Physics 2015-09-02 M. Bedell , J. Melendez , J. L. Bean , I. Ramirez , M. Asplund , A. Alves-Brito , L. Casagrande , S. Dreizler , T. Monroe , L. Spina , M. Tucci Maia

We introduce and describe our newly developed code that simulates light curves and radial velocity curves for arbitrary transiting exoplanets with a satellite. The most important feature of the program is the calculation of radial velocity…

Earth and Planetary Astrophysics · Physics 2015-05-13 A. E. Simon , Gy. M. Szabó , K. Szatmáry

The Kepler extended mission, also known as K2, has provided the community with a wealth of planetary candidates that orbit stars typically much brighter than the targets of the original mission. These planet candidates are suitable for…

Royal Society Discussion Meeting (2013) `Characterizing exoplanets'. Of the 900+ confirmed exoplanets discovered since 1995 for which we have constraints on their mass (i.e., not including Kepler candidates), 75% have masses larger than…

Earth and Planetary Astrophysics · Physics 2014-03-19 Leigh N. Fletcher , Patrick G. J. Irwin , Joanna K. Barstow , Remco J. de Kok , Jae-Min Lee , Suzanne Aigrain

Radial velocity (RV) surveys have discovered giant exoplanets on au-scale orbits with a broad distribution of eccentricities. Those with the most eccentric orbits are valuable laboratories for testing theories of high eccentricity…

‹ Prev 1 8 9 10 Next ›