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KELT-25b and KELT-26b: A Hot Jupiter and a Substellar Companion Transiting Young A-stars Observed by TESS
Romy Rodríguez Martínez, B. Scott Gaudi, Joseph E. Rodriguez +89
We present the discoveries of KELT-25b (TIC 65412605, TOI-626.01) and KELT-26b (TIC 160708862, TOI-1337.01), two transiting companions orbiting relatively bright, early A-stars. Th…
Phase Curve of the Hot Jupiter WASP-19b
Ian Wong, Björn Benneke, Avi Shporer +13
We analyze the phase curve of the short-period transiting hot Jupiter system WASP-19, which was observed by the Transiting Exoplanet Survey Satellite () in Sector 9. WASP-19…
TOI-677 b: A Warm Jupiter (P=11.2d) on an eccentric orbit transiting a late F-type star
Andrés Jordán, Rafael Brahm, Néstor Espinoza +46
We report the discovery of TOI-677 b, first identified as a candidate in light curves obtained within Sectors 9 and 10 of the Transiting Exoplanet Survey Satellite (TESS) mission a…
Gravity-Darkening Analysis of Misaligned Hot Jupiter MASCARA-4 b
John P. Ahlers, Ethan Kruse, Knicole D. Colon +17
MASCARA-4 b is a hot Jupiter in a highly-misaligned orbit around a rapidly-rotating A3V star that was observed for 54 days by the Transiting Exoplanet Survey Satellite (\tess). We…
MuSCAT2 multicolour validation of TESS candidates: an ultra-short-period substellar object around an M dwarf
H. Parviainen, E. Palle, M. R. Zapatero-Osorio +37
We report the discovery of TOI 263.01 (TIC 120916706), a transiting substellar object (R = 0.87 RJup) orbiting a faint M3.5~V dwarf (V=18.97) on a 0.56~d orbit. We set out to deter…
Securing the legacy of TESS through the care and maintenance of TESS planet ephemerides
Diana Dragomir, Mallory Harris, Joshua Pepper +16
Much of the science from the exoplanets detected by the TESS mission relies on precisely predicted transit times that are needed for many follow-up characterization studies. We inv…
The Revised TESS Input Catalog and Candidate Target List
Keivan G. Stassun, Ryan J. Oelkers, Martin Paegert +33
We describe the catalogs assembled and the algorithms used to populate the revised TESS Input Catalog (TIC), based on the incorporation of the Gaia second data release. We also des…
Early Time Light Curves of Type Ia Supernovae Observed with TESS
M. M. Fausnaugh, P. J. Vallely, C. S. Kochanek +18
We present early time light curves of Type Ia supernovae observed in the first six sectors of TESS data. Ten of these supernovae were discovered by ASAS-SN, seven by ATLAS, six by…
The L 98-59 System: Three Transiting, Terrestrial-Sized Planets Orbiting a Nearby M-dwarf
Veselin B. Kostov, Joshua E. Schlieder, Thomas Barclay +112
We report the Transiting Exoplanet Survey Satellite (TESS) discovery of three terrestrial-sized planets transiting L 98-59 (TOI-175, TIC 307210830) -- a bright M dwarf at a distanc…
A super-Earth and two sub-Neptunes transiting the nearby and quiet M dwarf TOI-270
Maximilian N. Günther, Francisco J. Pozuelos, Jason A. Dittmann +57
We report the Transiting Exoplanet Survey Satellite discovery of three small planets transiting one of the nearest and brightest M dwarf hosts to date, TOI-270 (TIC 259377017; K-ma…
Stellar Flares from the First Tess Data Release: Exploring a New Sample of M-dwarfs
Maximilian N. Günther, Zhuchang Zhan, Sara Seager +21
We perform a study of stellar flares for the 24,809 stars observed with 2 minute cadence during the first two months of the TESS mission. Flares may erode exoplanets' atmospheres a…