IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
SPIRou spectra of 14 transiting exoplanets…For several years, the metastable helium triplet line has been successfully used as a tracer to probe atmospheric escape in transiting exoplanets.… …The aim of this work is to search for the He triplet signature in 15 transiting exoplanets -- ranging from super-Earths to ultrahot Jupiters -- observed with SPIRou, a high-resolution…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Giant Outer Transiting Exoplanet Mass survey. IV.…Discovering and characterizing exoplanets at the outer edge of the transit method's sensitivity has proven challenging owing to geometric biases and the practical difficulties associated… …Nonetheless, a sample of giant exoplanets on orbits longer than 100 days has been identified by transit hunting missions.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Giant Outer Transiting Exoplanet Mass Survey. III.…Large-scale exoplanet surveys like the Transiting Exoplanet Survey Satellite (TESS) mission are powerful tools for discovering large numbers of exoplanet candidates.… …In some cases, radial velocity (RV) follow up can constrain the period enough to enable a future targeted transit detection.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Transit depth variability with TESS…The phenomenon of transit depth variability offers a pathway through which processes such as exoplanet atmospheric activity and orbital dynamics can be studied.… …In this work we conduct a blind search for transit depth variations among 330 known planets observed by the Transiting Exoplanet Survey Satellite within its first four years of operation…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Transit times of hot Jupiters from TESS…We have analyzed 7068 transits from the Transiting Exoplanet Survey Satellite (TESS) for a sample of 326 hot Jupiters.… …These new mid-transit-time data allow us to update ephemerides for these systems.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Photometric timeseries and transit times…Giant exoplanets on 1-3 day orbits, known as ultra-hot Jupiters, induce detectable tides in their host stars.… …For the hot Jupiters of our sample, we analysed transit timing data sets based on mid-transit points homogeneously determined from observations performed with the Transiting Exoplanet…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Kepler DR25 cat. transit and detec. prob.…Atmospheric and dynamical processes are thought to play a major role in shaping the distribution of close-in exoplanets.… …We built a sample of planets and candidates based on the Kepler DR25 catalogue and weighed it according to the transit and detection probabilities.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Breakthrough listen search for intelligent life…Past works have made use of phase-folded stellar lightcurves in order to study the properties of exoplanet transits because this provides the highest signal that a transit is present… …transiting exoplanet systems from Kepler.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Architectures of S* Transiting Planets in Binaries.I.…The effect of stellar multiplicity on planetary architecture and orbital dynamics provides an important context for exoplanet demographics.… …We assess the reliability of each transiting planet candidate using ground-based follow- up observations, and find that the TESS Objects of Interest (TOIs) with significant proper anomalies…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Validation of 69 exoplanets using ExoMiner V1.2…These techniques generate a score that is typically the probability of the transit signal being an exoplanet (y(x)=exoplanet) given some information related to that signal (represented… …In this work, we introduce a framework with the following premise: given an existing transit-signal vetter (classifier), improve its performance using multiplicity information.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
TESS-Keck Survey. XVII. TOI-1136 radial velocities…We present a radial velocity (RV) analysis of TOI-1136, a bright Transiting Exoplanet Survey Satellite (TESS) system with six confirmed transiting planets, and a seventh single-transiting… …The youth of the system contributes to high stellar variability on the order of 50m/s, much larger than the likely RV amplitude of any of the transiting exoplanets.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
SPEARNET normalized photometry of HAT-P-26…We present a transit-timing variation (TTV) and planetary atmosphere analysis of the Neptune-mass planet HAT-P-26 b.… …the Transiting Exoplanet Survey Satellite, and previously published ground-based data.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Transit time for planets in LHS 1678 System…LHS 1678 c and d are also twins in size and predicted mass, making them a powerful duo for comparative exoplanet studies.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Known exoplanet hosts parameters with TESS…In this analysis, we examine the photometry of 264 known exoplanet host stars (harboring 337 planetary companions) that were observed during the Transiting Exoplanet Survey Satellite… …exoplanets dominate the population of exoplanets around variable stars.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
HST/WFC3 light curve in LTT 144 system…Previous studies of the exoplanet LTT1445Ac concluded that the light curve from the Transiting Exoplanet Survey Satellite (TESS) was consistent with both grazing and nongrazing geometries… …We perform a joint fit to the TESS and HST observations, finding that the transit of LTT1445Ac is not grazing with 97% confidence.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
KELT-20b/MASCARA-2b CHEOPS light curve…High-precision transit events provide information on the spin-orbit alignment of exoplanets around fast-rotating hosts.… …We analyzed them in conjunction with the simultaneous observations with Transiting Exoplanet Survey Satellite (TESS).…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Photometric data of NGTS-26 and NGTS-27…We report the discovery of two new transiting giant exoplanets NGTS-26 b and NGTS-27 b by the Next Generation Transit Survey (NGTS).… …Both giant exoplanets are highly irradiated by their host stars and present an anomalously inflated radius, especially NGTS-26 b which is one of the largest objects among peers of similar…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
TOI-4562 light curve…We observed a new transit of TOI-4562 b using the 0.6-m Zeiss telescope at the Pico dos Dias Observatory (OPD/LNA) in Minas Gerais, Brazil, and combine our data with Transiting Exoplanet… …We report the discovery of TOI-4562 c, the exoplanet with the longest orbital period discovered to date via the transit timing variation (TTV) method.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
The KGPS. I. Kepler planet-host RVs from HIRES…the architectural properties of close-in, sub-Neptune-sized exoplanets.… …We also present updated masses and densities of 84 transiting planets.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
TOI-1130 CHEOPS observations…Among the thousands of exoplanets discovered to date, approximately a few hundred gas giants on short-period orbits are classified as "lonely" and only a few are in a multi-planet system… …radii and masses and on the timings of each transit.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
Light curves and radial velocities for TOI-1899…TOI-1899b is a rare exoplanet, a temperate warm Jupiter orbiting an M-dwarf, first discovered by Canas et al. (2020) from a TESS single-transit event.… …Using new radial velocities (RVs) from the precision RV spectrographs HPF and NEID, along with additional TESS photometry and ground-based transit follow-up, we are able to derive a…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
CHEOPS light curves of HD 15337 (TOI-402)…The HD 15337 (TIC 120896927, TOI-402) system was observed by the Transiting Exoplanet Survey Satellite (TESS), revealing the presence of two short-period planets situated on opposite… …We acquired 6 new transit visits with the CHaracterising ExOPlanet Satellite (CHEOPS) and 32 new radial velocity measurements from the High Accuracy Radial Velocity Planet Searcher…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
HD88986 radial velocity curves…is potentially transiting.… …radius of 2.49+/-0.18R_{Earth}_, a mass of 17.2^-3.8^_+4.0^M_{Earth}_, and it orbits every 146.05^-0.40^_+0.43_d around a subgiant HD 88986 which is one of the closest and brightest exoplanet…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
TESS SPOC FFI Main Sequence Target Sample…The Transiting Exoplanet Survey Satellite (TESS) mission has provided the community with high-precision times series photometry for ~2.8 million stars across the entire sky via the… …This set of light curves is an extremely valuable resource for the discovery of transiting exoplanets and other stellar science.…
IVOA Registry (Virtual Observatory)2024 · Astronomical catalogue
TESS-Keck Survey. XVI. 8 systems Radial velocity…the atmospheres of small exoplanets via transmission spectroscopy.… …Here we present mass measurements for 11 transiting planets in eight systems that are particularly suited to atmospheric follow-up with JWST.…