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During its 2-year Prime Mission, TESS observed over 232,000 stars at a 2-min cadence across ~70% of the sky. These data provide a record of photometric variability across a range of astrophysically interesting time scales, probing stellar…

The Transiting Exoplanet Survey Satellite (TESS) will be conducting a nearly all-sky photometric survey over two years, with a core mission goal to discover small transiting exoplanets orbiting nearby bright stars. It will obtain 30-minute…

The rotation periods of planet-hosting stars can be used for modeling and mitigating the impact of magnetic activity in radial velocity measurements and can help constrain the high-energy flux environment and space weather of planetary…

Solar and Stellar Astrophysics · Physics 2022-03-23 Yuxi , Lu , Ruth Angus , Marcel A. ~Agüeros , Kirsten Blancato , Melissa Ness , Jason L. ~Curtis , Sam Grunblatt

We present a software package designed to produce photometric lightcurves and measure rotation periods from full-frame images taken by the Transiting Exoplanet Survey Satellite (TESS), which we name ``TESSILATOR''. TESSILATOR is the only…

Solar and Stellar Astrophysics · Physics 2024-07-29 A. S. Binks , H. M. Guenther

The proposed Transiting Exoplanet Survey Satellite (TESS) will survey the entire sky to locate the nearest and brightest transiting extrasolar planets with orbital periods up to about 36 days. Here we estimate the number and kind of…

Astrophysics · Physics 2008-12-09 Timothy M. Brown , David W. Latham

Since the end of 2018, the Transiting Exoplanet Survey Satellite (TESS) has provided stellar photometry to the astronomical community. We have used TESS data to study rotational modulation in the light curves of a sample of chemically…

Solar and Stellar Astrophysics · Physics 2022-10-12 O. Kobzar , V. Khalack , D. Bohlender , G. Mathys , M. E. Shultz , D. M. Bowman , E. Paunzen , C. Lovekin , A. David-Uraz , J. Sikora , P. Lampens , O. Richard

We present a study of the detection efficiency for the TESS mission, focusing on the yield of longer-period transiting exoplanets ($P > 25$ days). We created the Transit Investigation and Recoverability Application (TIaRA) pipeline to use…

Earth and Planetary Astrophysics · Physics 2024-02-14 Toby Rodel , Daniel Bayliss , Samuel Gill , Faith Hawthorn

While Transiting Exoplanet Survey Satellite (TESS) covers a considerable area of the sky during routine observations and the pointing schedule is easy to follow, it is not obvious to retrieve the current and/or predicted visibility of a…

Instrumentation and Methods for Astrophysics · Physics 2020-12-03 András Pál

The NASA Transiting Exoplanet Survey Satellite (TESS) is observing tens of millions of stars with time spans ranging from $\sim$ 27 days to about 1 year of continuous observations. This vast amount of data contains a wealth of information…

We used a convolutional neural network to infer stellar rotation periods from a set of synthetic light curves simulated with realistic spot evolution patterns. We convolved these simulated light curves with real TESS light curves containing…

Solar and Stellar Astrophysics · Physics 2022-03-30 Zachary R. Claytor , Jennifer L. van Saders , Joe Llama , Peter Sadowski , Brandon Quach , Ellis Avallone

We examine the ability of the Transiting Exoplanet Survey Satellite (TESS) to detect and improve our understanding of planetary systems in the Kepler field. By modeling the expected transits of all confirmed and candidate planets detected…

Earth and Planetary Astrophysics · Physics 2019-05-29 Callista N. Christ , Benjamin T. Montet , Daniel C. Fabrycky

During the TESS prime mission, 74% of the sky area will only have an observational baseline of 27 days. For planets with orbital periods longer than 13.5 days, TESS can only capture one or two transits, and the planet ephemerides will be…

The Transiting Exoplanet Survey Satellite (TESS) is NASA's latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal…

We present the results of a systematic search for new rapidly oscillating Ap (roAp) stars using the 2-min cadence data collected by the Transiting Exoplanet Survey Satellite (TESS) during its Cycle 1 observations. We identify 12 new roAp…

The {\it Transiting Exoplanet Survey Satellite} (TESS) searches for planets transiting bright and nearby stars using high-cadence, large-scale photometric observations. Full Frame Images provided by the TESS mission include large number of…

Earth and Planetary Astrophysics · Physics 2020-01-08 A. McNeill , M. Mommert , D. E. Trilling , J. Llama , B. Skiff

To date, a handful of exoplanets have been photometrically mapped using phase-modulated reflection or emission from their surfaces, but the small amplitudes of such signals have limited previous maps almost exclusively to coarse dipolar…

Earth and Planetary Astrophysics · Physics 2019-04-01 Rodrigo Luger , Megan Bedell , Roland Vanderspek , Christopher J. Burke

Context: TESS has been successfully launched and has begin data acquisition. To expedite the science that may be performed with the resulting data it is necessary to gain a good understanding of planetary yields. Given the observing…

Earth and Planetary Astrophysics · Physics 2018-11-21 Benjamin F. Cooke , Don Pollacco , Richard West , James McCormac , Peter J. Wheatley

Stellar rotation is a fundamental parameter governing a star's magnetic activity and evolution. The Transiting Exoplanet Survey Satellite (TESS) provides high-precision photometric data ideal for measuring rotation periods via brightness…

Solar and Stellar Astrophysics · Physics 2025-09-17 Pratik Paudel , Daya Nidhi Chhatkuli , Bikash Sharma , Ashish Khanal , Nabaraj Khatri , Divash Rai

Stellar rotation is a complex function of mass, metallicity, and age and can be altered by binarity. To understand the importance of these parameters in main sequence stars, we have assembled a sample of observations that spans a range of…

NASA's Transiting Exoplanet Survey Satellite (TESS) mission promises to improve our understanding of hot Jupiters by providing an all-sky, magnitude-limited sample of transiting hot Jupiters suitable for population studies. Assembling such…

Earth and Planetary Astrophysics · Physics 2023-02-22 Samuel W. Yee , Joshua N. Winn , Joel D. Hartman , Luke G. Bouma , George Zhou , Samuel N. Quinn , David W. Latham , Allyson Bieryla , Joseph E. Rodriguez , Karen A. Collins , Owen Alfaro , Khalid Barkaoui , Corey Beard , Alexander A. Belinski , Zouhair Benkhaldoun , Paul Benni , Krzysztof Bernacki , Andrew W. Boyle , R. Paul Butler , Douglas A. Caldwell , Ashley Chontos , Jessie L. Christiansen , David R. Ciardi , Kevin I. Collins , Dennis M. Conti , Jeffrey D. Crane , Tansu Daylan , Courtney D. Dressing , Jason D. Eastman , Zahra Essack , Phil Evans , Mark E. Everett , Sergio Fajardo-Acosta , Raquel Forés-Toribio , Elise Furlan , Mourad Ghachoui , Michaël Gillon , Coel Hellier , Ian Helm , Andrew W. Howard , Steve B. Howell , Howard Isaacson , Emmanuel Jehin , Jon M. Jenkins , Eric L. N. Jensen , John F. Kielkopf , Didier Laloum , Naunet Leonhardes-Barboza , Sarah E. Logsdon , Jack Lubin , Michael B. Lund , Mason G. MacDougall , Andrew W. Mann , Natalia A. Maslennikova , Bob Massey , Kim K. McLeod , Jose A. Muñoz , Patrick Newman , Valeri Orlov , Peter Plavchan , Adam Popowicz , Francisco J. Pozuelos , Tyler A. Pritchard , Don J. Radford , Michael Reefe , George R. Ricker , Alexander Rudat , Boris S. Safonov , Richard P. Schwarz , Heidi Schweiker , Nicholas J. Scott , S. Seager , Stephen A. Shectman , Chris Stockdale , Thiam-Guan Tan , Johanna K. Teske , Neil B. Thomas , Mathilde Timmermans , Roland Vanderspek , David Vermilion , David Watanabe , Lauren M. Weiss , Richard G. West , Judah Van Zandt , Michal Zejmo , Carl Ziegler