IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
7 transiting exoplanets CHEOPS light curves…We present 17 transit light curves of seven known warm-Jupiters observed with the CHaracterising ExOPlanet Satellite (CHEOPS).… …In this work we focused on the timing performance of CHEOPS, the impact of the sampling of the transit phases, and the improvement we can obtain combining multiple transits together…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit time variations for 12 exoplanets…transit times, and the number of transits observed during the Kepler mission.… …TTV follow-up could push exoplanet characterization to lower masses, at greater orbital periods and at cooler equilibrium temperatures than is currently possible from the Kepler data…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit Timing Variations bias in transit surveys…even constrain the existence of non-transiting companions.… …Recovering this type of object is essential to have a complete picture of the observed planetary systems, solving for a bias not often taken into account in statistical studies of exoplanet…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit KELT-11b observed by CHEOPS…CHEOPS is the first mission dedicated to search for transits of exoplanets using ultrahigh precision photometry on bright stars already known to host planets.… …Finally, by unveiling transiting exoplanets with high potential for in-depth characterisation, CHEOPS will also provide prime targets for future instruments suited to the spectroscopic…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
180 Transit and occultation times for WASP-12b…We analyzed data from NASA's Transiting Exoplanet Survey Satellite (TESS) to verify that WASP-12b's orbit is indeed changing.… …Our result highlights the power of space-based photometry for investigating the orbital evolution of short-period exoplanets.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit depth biases & error bars for 31 planets…The occurrence of a planet transiting in front of its host star offers the opportunity to observe the planet's atmosphere filtering starlight.… …Chemical species, haze, and clouds are now routinely detected in exoplanet atmospheres through rather small features in transmission spectra, i.e., collections of planet-to-star area…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit search in the V1400 Cen system…A transit least squares (TLS) analysis is used to search for any periodic transiting signals within the cleaned light curve.… …With the rotational modulation removed, the TLS analysis reaches down to planetary mass radii for young exoplanets, ruling out transiting companions with radii larger than about 1R_Jup…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit timing variations of Kepler-90g and h…Exoplanet transit-timing variations (TTVs) caused by gravitational forces between planets can be used to determine planetary masses and orbital parameters.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transit photometry of NGTS-14Ab…We present the discovery of a new transiting planetary system within the Neptunian desert, NGTS-14A.… …Transits of NGTS-14Ab were discovered in photometry from the Next Generation Transit Survey (NGTS).…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
181 new planet candidates with TESS…The Transiting Exoplanet Survey Satellite (TESS) mission measured light from stars in ~75% of the sky throughout its 2yr primary mission, resulting in millions of TESS 30-minute-cadence… …light curves to analyze in the search for transiting exoplanets.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
65 Transit-timing variation planets properties…Transit surveys have revealed a significant population of compact multiplanet systems, containing several sub-Neptune-mass planets on close-in, tightly-packed orbits.… …Here, we assess this hypothesis, comparing observed eccentricities in systems exhibiting transit-timing variations versus the maximum eccentricities compatible with long-term stability…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
TESS and NGTS LCs and RVs of NGTS-11…NGTS-11 b is the first exoplanet to be discovered after being initially identified as a TESS single-transit event, and its discovery highlights the power of intense photometric monitoring… …in recovering longer-period transiting exoplanets from single-transit events.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Speckle observations TESS exoplanet host stars. II.…With our improved angular resolution and sensitivity, we confirm that this lack of close exoplanet host binaries is indeed real.… …We do note that in exoplanet systems containing binary host stars, there is an observational bias against detecting Earth-size planet transits due to transit depth dilution caused by…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
TESS optical phase curve of KELT-1b…We present the detection and analysis of the phase curve of KELT-1b at optical wavelengths, analyzing data taken by the Transiting Exoplanet Survey Satellite (TESS).… …The light curve shows variations due to ellipsoidal variations, Doppler beaming, transit and secondary eclipse of KELT-1, and phase curve variations of KELT-1b.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Transits, occultation times and RVs of WASP-12b…WASP-12b is a transiting hot Jupiter on a 1.09 day orbit around a late-F star.… …Since the planet's discovery in 2008, the time interval between transits has been decreasing by 29+/-2ms/yr.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
SPECULOOS. Ultracool dwarf transit survey…One of the most promising avenues for the detailed study of temperate Earth-sized exoplanets is the detection of such planets in transit in front of stars that are small and near enough… …The strategy for brighter and earlier targets leverages its synergy with the ongoing TESS space-based exoplanet transit survey.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
THYME. IV. 3 Exoplanets around TOI-451 B…Young exoplanets can offer insight into the evolution of planetary atmospheres, compositions, and architectures.… …We identified three candidate planets transiting in the Transiting Exoplanet Survey Satellite data and followed up the signals with photometry from Spitzer and ground-based telescopes…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
TOI-269 b light curves…We present the confirmation of a new sub-Neptune close to the transition between Super-Earths and sub-Neptunes transiting the M2 dwarf TOI-269.… …The transiting exoplanet has an orbital period of P=3.7 days, a radius of 2.77+/-0.12R_{Earth}_, and a mass of 8.8+/-1.4M_{Earth}_.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Search for Planets in Hot Jupiter Systems…Using multi-sector time-series photometry from the Transiting Exoplanet Survey Satellite, we searched for additional planets in the KELT-18, KELT-23, KELT-24, Qatar-8, WASP-62, WASP… …-100, WASP-119, and WASP-126 planetary systems using both the transit technique and transit timing method.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Exoplanet candidates from TESS first 2yr obs…We present 2241 exoplanet candidates identified with data from the Transiting Exoplanet Survey Satellite (TESS) during its 2yr Prime Mission.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
HAT-P-36 T80, T100 light curves and O-C…Exoplanet Survey Satellite (TESS).… …HAT-P-36 displays out-of-transit variability as well as light curve anomalies during the transits of its planet due to stellar spots.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
nu2 Lupi CHEOPS light curves…Exoplanets transiting bright nearby stars are key objects for advancing our knowledge of planetary formation and evolution.… …Here, we report that the outer planet d is also transiting, and measure its radius and mass to be 2.56+/-0.09R_{Earth}_ and 8.82+/-0.94M_{Earth}_, respectively.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Planet candidates and EBs in K2 campaigns 0-8…We implement a search for exoplanets in campaigns zero through eight (C0-8) of the K2 extension of the Kepler spacecraft.… …We find candidates that display transit timing variations and dozens of candidates on both period extremes with single transits or ultrashort periods.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Cluster difference imaging photometric survey. II.…We characterize the system using data from the NASA Transiting Exoplanet Survey Satellite mission, the ESA Gaia mission, ground-based photometry from El Sauce and ASTEP400, and spectroscopy… …TOI837b is therefore a validated adolescent exoplanet.…
IVOA Registry (Virtual Observatory)2021 · Astronomical catalogue
Predicted properties for 468 RV planets…The CHaracterizing ExOPlanets Satellite (CHEOPS) mission is planned for launch next year with a major objective being to search for transits of known radial velocity (RV) planets, particularly… …Since the RV method is only sensitive to planetary mass, the radii, transit depths and transit signal-to-noise values of each RV planet are, a priori, unknown.…