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Related papers: Cleaning WASP-33 b transits from the host star pho…

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We report the discovery of photometric oscillations in the host star of the exoplanet WASP-33 b (HD 15082). The data were obtained in the R band in both transit and out-of-transit phases from the 0.3-m telescope and the Montcabrer…

Earth and Planetary Astrophysics · Physics 2015-05-20 E. Herrero , J. C. Morales , I. Ribas , R. Naves

We present the detection and characterization of the full-orbit phase curve and secondary eclipse of the ultra-hot Jupiter WASP-33b at optical wavelengths, along with the pulsation spectrum of the host star. We analyzed data collected by…

Earth and Planetary Astrophysics · Physics 2020-07-08 C. von Essen , M. Mallonn , C. C. Borre , V. Antoci , K. G. Stassun , S. Khalafinejad , G. Tautvaivsiene

We present improved physical parameters for four hot Jupiters: KELT-7 b, HAT-P-14 b, WASP-29 b, WASP-95 b, and a hot Neptune: WASP-156 b, by performing critical and rigorous analysis of the time-series observations from the Transiting…

Earth and Planetary Astrophysics · Physics 2021-11-17 Suman Saha , Sujan Sengupta

High-precision transit observations provide excellent opportunities for characterizing the physical properties of exoplanetary systems. These physical properties supply many pieces of information for unvealing the internal structure,…

Earth and Planetary Astrophysics · Physics 2022-04-20 Lu Bai , Shenghong Gu , Xiaobin Wang , Leilei Sun , Chi-Tai Kwok , Ho-Keung Hui

We present a re-analysis of transit depths of KELT-19Ab, WASP-156b, and WASP-121b, including data from the Transiting Exoplanet Survey Satellite (TESS). The large $\sim$21$\arcsec$ TESS pixels and point spread function result in significant…

Earth and Planetary Astrophysics · Physics 2022-02-09 Fan Yang , Ranga-Ram Chary , Ji-Feng Liu

After observing WASP-12 in the second year of the primary mission, the Transiting Exoplanet Survey Satellite (TESS) revisited the system in late 2021 during its extended mission. In this paper, we incorporate the new TESS photometry into a…

Earth and Planetary Astrophysics · Physics 2022-03-22 Ian Wong , Avi Shporer , Shreyas Vissapragada , Michael Greklek-McKeon , Heather A. Knutson , Joshua N. Winn , Björn Benneke

WASP-43 b is one of the most important candidates for detecting an orbital decay. We investigate pieces of evidence for this expectation as variations in its transit timings, based on the ground and space observations. The data set includes…

Earth and Planetary Astrophysics · Physics 2021-11-08 Fatemeh Davoudi , Özgür Baştürk , Selçuk Yalçınkaya , Ekrem M. Esmer , Hossein Safari

We observed a transit of WASP-166 b using nine NGTS telescopes simultaneously with TESS observations of the same transit. We achieved a photometric precision of 152 ppm per 30 minutes with the nine NGTS telescopes combined, matching the…

We use data from the Transiting Exoplanet Survey Satellite (TESS) to search for, and set limits on, optical to near-infrared photometric variability of the well-vetted, candidate James Webb Space Telescope (JWST) spectrophotometric…

We present an update on the variable star survey performed on the TESS 30 min Full Frame Image (FFI) data reported by our first two papers in this series. This update includes a contamination analysis in order to identify false positives…

Solar and Stellar Astrophysics · Physics 2023-01-04 S. K. Sahoo , A. S. Baran , H. L. Worters , P. Németh , D. Kilkenny

We present a visible-light full orbital phase curve of the transiting planet WASP-18b measured by the TESS Mission. The phase curve includes the transit, secondary eclipse, and sinusoidal modulations across the orbital phase shaped by the…

We examine high-cadence space photometry taken by the Transiting Exoplanet Survey Satellite (TESS) of a sample of evolved massive stars (26 Wolf-Rayet stars and 8 Luminous Blue Variables or candidate LBVs). To avoid confusion problems, only…

Solar and Stellar Astrophysics · Physics 2021-02-22 Yael Naze , Gregor Rauw , Eric Gosset

TESS photometry is analyzed for 432 classical Be stars observed in the first year of the mission. The often complex and diverse variability of each object in this sample is classified to obtain an understanding of the behavior of this class…

HD 15082 (WASP-33) is the hottest and fastest rotating star known to harbor a transiting extrasolar planet (WASP-33b). The lack of high precision radial velocity (RV) data stresses the need for precise light curve analysis and gathering…

Earth and Planetary Astrophysics · Physics 2013-03-15 G. Kovács , T. Kovács , J. D. Hartman , G. Á. Bakos , A. Bieryla , D. Latham , R. W. Noyes , Zs. Regály , G. A. Esquerdo

The TESS follow-up of a large number of known transiting exoplanets provide unique opportunity to study their physical properties more precisely. Being a space-based telescope, the TESS observations are devoid of any noise component…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha

From its discovery, the WASP-18 system with its massive transiting planet on a tight orbit was identified as a unique laboratory for studies on tidal planet-star interactions. In an analysis of Doppler data, which include five new…

Earth and Planetary Astrophysics · Physics 2020-05-13 G. Maciejewski , H. A. Knutson , A. W. Howard , H. Isaacson , E. Fernandez-Lajus , R. P. Di Sisto , C. Migaszewski

We study the red-optical photometry of the ultra-hot Jupiter WASP-121 b as observed by the Transiting Exoplanet Survey Satellite (TESS) and model its atmosphere through a radiative transfer simulation. Given its short orbital period of…

Data from the Transiting Exoplanet Survey Satellite (TESS) has produced of order one million light curves at cadences of 120 s and especially 1800 s for every ~27-day observing sector during its two-year nominal mission. These data…

We accurately identify and classify the variability of A-F stars in the southern continuous viewing zone of the TESS satellite. The brightness limit was set to 10 mag to ensure the utmost reliability of our results and allow for…

Solar and Stellar Astrophysics · Physics 2024-08-06 M. Skarka , Z. Henzl

[abridged] We analyse four transits of WASP-33b observed with the optical high-resolution HARPS-N spectrograph to confirm its nodal precession, study its atmosphere and investigate the presence of star-planet interactions.We extract the…

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