111 datasets

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Byrd Green Bank Telescope to perform the first technosignature search presynchronized with exoplanet transits, covering 12 Kepler systems.… …If the signals of interest are not redetected in future work, it will imply that the 12 targets in the search are not producing transit-aligned signals from 1.1 to 1.9GHz with transmitter…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Molecular oxygen is a strong indicator of life on Earth and may indicate biological processes on exoplanets too.… …partial transit from each ELT can be combined.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Only a partial transit of planet d had been covered so we re-observed an inferior conjunction of the long-period 8.6 Earth mass exoplanet nu.02 Lup d with the CHEOPS space telescope… …Yet, only a sustained follow-up of nu.02 Lup d transits will warrant a comprehensive search for a moon around this outstanding exoplanet.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Here we analyse three transits of AU Mic b observed with the CHaracterising ExOPlanet Satellite (CHEOPS), supplemented with sector 1 and 27 Transiting Exoplanet Survey Satellite (TESS… …Using a bootstrap analysis we find that flares and star spots reduce the accuracy of transit parameters by up to 10% in the planet-to-star radius ratio and the accuracy on transit time…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Transit observations have found the majority of exoplanets to date.… …However, an exoplanet's orbit must be aligned with our line of sight to observe a transit.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Citizen astronomers of the Unistellar Exoplanet (UE) Campaign routinely measure transit depths of >~1% and contribute their results to the exoplanet research community.… …Results to date include 281 transit detections out of 651 processed observations.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…In this work, we present the analysis of 976814 FGKM dwarf and subgiant stars in the Transiting Exoplanet Survey Telescope (TESS) full frame images (FFIs) of the Southern ecliptic hemisphere… …Additionally, we present 15 single transit events (14 new ones), a new candidate multiplanetary system, and a novel candidate around a known TOI.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…We report the detection of a transiting, dense Neptune planet candidate orbiting the bright (V=8.6) K0.5V star HD 95338.… …HD 95338 was also observed by the Transiting Exoplanet Survey Satellite (TESS) where we identify a clear single transit in the photometry.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Demographics of the HZ planets are compared with a full catalog of exoplanets.… …The most promising observational HZ target that is known to transit is GJ414Ab. Of the transiting, ~<2R{Earth} HZ planets, LHS1140b, TRAPPIST-1d, and K2-3d are the most favorable.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Binarity is a widespread phenomenon around solar-type stars, including the host stars of transiting extrasolar planets.… …In the case of WASP-20, the measured physical properties are very different for the three scenarios considered: ignoring binarity, planet transits brighter star, and planet transits…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Exoplanet Survey Satellite (TESS), and includes improvements such as automatic peak cutting of stellar variability and interpolation over masked transits to improve periodogram visibility… …and returned transit shapes.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…TOI-1055 is a Sun-like star known to host a transiting Neptune-sized planet on a 17.5-day orbit (TOI-1055 b).… …Our further aim was to improve the precision on measurements of the planetary radius by observing two transits of the planet with the CHEOPS space telescope.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Our analysis was based on multi-sector time-series photometry from the Transiting Exoplanet Survey Satellite and precise transit timing data sets.… …We detected no additional transiting planets down to the 2-4 Earth radii regime. For ten hot Jupiters, no departure from linear transit ephemerides was observed.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…These new transit observations extend the original four-year Kepler TTV baseline by an additional 7.5yr.… …transit times.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…We compute a list of currently known exoplanets detectable with the mid-infrared Large Interferometer For Exoplanets (LIFE) in thermal emission.… …LIFE can also detect 32 known transiting exoplanets.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…To address this deficiency, we here describe an exomoon survey of 70 cool, giant transiting exoplanet candidates found by Kepler.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

We present spectroscopic measurements of the Rossiter-McLaughlin effect for WASP-148b, the only known hot Jupiter with a nearby warm-Jupiter companion, from the WIYN/NEID and Keck/HIRES instruments. This is one of the first scientific results reported from the newly commissioned NEID spectrograph, as well as the second obliquity constraint for a hot Jupiter system with a close-in companion, after

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…We used data from the Transiting Exoplanet Survey Satellite (TESS) to search for nearby planetary companions in 12 planetary systems with hot Jupiters: HD 2685, Qatar-10, WASP-4, WASP… …We also applied the transit timing method based on homogeneously determined mid-transit times in order to search for non-transiting companions that could gravitationally perturb the…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…While the sample of confirmed exoplanets continues to grow, the population of transiting exoplanets around early-type stars is still limited.… …The planets were identified by the Transiting Exoplanet Survey Satellite (TESS) and confirmed with complementary ground-based and radial velocity observations.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…We present the discovery of TOI-5205b, a transiting Jovian planet orbiting a solar metallicity M4V star, which was discovered using Transiting Exoplanet Survey Satellite photometry… …Additionally, the large size of the planet orbiting a small star results in a transit depth of ~7%, making it one of the deepest transits of a confirmed exoplanet orbiting a main-sequence…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…This star was observed by the Transiting Exoplanet Survey Satellite (TESS) in sectors 4 and 31, revealing two small transiting planets.… …We performed follow-up observations with the CHaracterising ExOPlanet Satellite (CHEOPS) to confirm the true period of HD 15906 c and improve the radius precision of the two planets…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…Making use of newly acquired photometric observations from CHEOPS (CHaracterising ExOplanet Satellite) and TESS (Transiting Exoplanet Survey Satellite), combined with archival transit… …A Keplerian orbit model with a constant orbital period fits the transit timings of KELT-16 b the best due to the scatter and scale of their error bars.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…These sources include observations from ground-based telescopes (the ExoClock network and the Exoplanet Transit Database), midtime values from the literature, and light curves from… …Finally, the extended observing coverage of planets allows us to detect trends (transit-timing variations) for a sample of 19 planets.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…The TESS team periodically issues a new list of transiting exoplanet candidates based on the analysis of the accumulating light curves obtained by the satellite.… …The list includes the estimated epochs, periods, and durations of the potential transits.…

IVOA Registry (Virtual Observatory)2023 · Astronomical catalogue

…We report the discovery of a long-period transiting Neptune-mass planet orbiting the G7-type star TOI-5678.… …After four non-detections corresponding to possible periods, CHEOPS detected a transit event matching a unique period alias.…