Search Publications
Identifying Planetary Transit Candidates in TESS Full-frame Image Light Curves via Convolutional Neural Networks
Powell, Brian P.; Barclay, Thomas; Kruse, Ethan +8 more
The Transiting Exoplanet Survey Satellite (TESS) mission measured light from stars in ∼75% of the sky throughout its 2 yr primary mission, resulting in millions of TESS 30-minute-cadence light curves to analyze in the search for transiting exoplanets. To search this vast data trove for transit signals, we aim to provide an approach that both is co…
Flaring and Spot Activities on the Semi-detached Binary System KIC 06852488
Shi, Xiang-dong; Qian, Sheng-bang; Li, Lin-jia +1 more
The continuous and unbroken time-series photometry data of Kepler and the Transiting Exoplanet Survey Satellite (TESS) provide a good opportunity to study the continuous variations in the light curve of binary stars. This paper reports the discoveries of the correlation between the two maxima on the light curve of KIC 06852488 and the correlation …
A Pair of Warm Giant Planets near the 2:1 Mean Motion Resonance around the K-dwarf Star TOI-2202
Trifonov, Trifon; Henning, Thomas; Lee, Man Hoi +37 more
TOI-2202 b is a transiting warm Jovian-mass planet with an orbital period of P = 11.91 days identified from the Full Frame Images data of five different sectors of the TESS mission. Ten TESS transits of TOI-2202 b combined with three follow-up light curves obtained with the CHAT robotic telescope show strong transit timing variations (TTVs) with a…
The Hubble PanCET Program: A Metal-rich Atmosphere for the Inflated Hot Jupiter HAT-P-41b
Deming, Drake; Madhusudhan, Nikku; Nikolov, Nikolay +14 more
We present a comprehensive analysis of the 0.3-5 µm transit spectrum for the inflated hot Jupiter HAT-P-41b. The planet was observed in transit with Hubble STIS and WFC3 as part of the Hubble Panchromatic Comparative Exoplanet Treasury (PanCET) program, and we combine those data with warm Spitzer transit observations. We extract transit dept…
The Dark World: A Tale of WASP-43b in Reflected Light with HST WFC3/UVIS
Fortney, Jonathan J.; Stevenson, Kevin B.; Mayorga, L. C. +14 more
Optical reflected light eclipse observations provide a direct probe of exoplanet scattering properties, such as from aerosols. We present here the photometric reflected light observations of WASP-43b using the Hubble Space Telescope (HST) WFC3/UVIS instrument with the F350LP filter (346-822 nm) encompassing the entire optical band. This is the fir…
The Anatomy of an Unusual Edge-on Protoplanetary Disk. I. Dust Settling in a Cold Disk
Duchêne, Gaspard; Wolff, Schuyler G.; Perrin, Marshall D. +7 more
As the earliest stage of planet formation, massive, optically thick, and gas-rich protoplanetary disks provide key insights into the physics of star and planet formation. When viewed edge-on, high-resolution images offer a unique opportunity to study both the radial and vertical structures of these disks and relate this to vertical settling, radia…
The Anatomy of an Unusual Edge-on Protoplanetary Disk. II. Gas Temperature and a Warm Outer Region
Pinte, C.; Ménard, F.; Duchêne, G. +9 more
We present high-resolution 12CO and 13CO 2-1 ALMA observations, as well as optical and near-infrared spectroscopy, of the highly inclined protoplanetary disk around SSTC2D J163131.2-242627. The spectral type we derive for the source is consistent with a 1.2 M⊙ star inferred from the ALMA observations. Despite its m…
A Kinematic Perspective on the Formation Process of the Stellar Groups in the Rosette Nebula
Lim, Beomdu; Lee, Jeong-Eun; Yun, Hyeong-Sik +6 more
Stellar kinematics is a powerful tool for understanding the formation process of stellar associations. Here, we present a kinematic study of the young stellar population in the Rosette nebula using recent Gaia data and high-resolution spectra. We first isolate member candidates using the published mid-infrared photometric data and the list of X-ra…
First Detection of Orbital Motion for HD 106906 b: A Wide-separation Exoplanet on a Planet Nine-like Orbit
Kalas, Paul; De Rosa, Robert J.; Nguyen, Meiji M.
HD 106906 is a 15 Myr old short-period (49 days) spectroscopic binary that hosts a wide-separation (737 au) planetary-mass ( $\sim 11\,{M}_{\mathrm{Jup}}$ ) common proper motion companion, HD 106906 b. Additionally, a circumbinary debris disk is resolved at optical and near-infrared wavelengths that exhibits a significant asymmetry at wide separat…
TOI-1431b/MASCARA-5b: A Highly Irradiated Ultrahot Jupiter Orbiting One of the Hottest and Brightest Known Exoplanet Host Stars
Latham, David W.; Stassun, Keivan G.; Wittenmyer, Robert A. +70 more
We present the discovery of a highly irradiated and moderately inflated ultrahot Jupiter, TOI-1431b/MASCARA-5 b (HD 201033b), first detected by NASA's Transiting Exoplanet Survey Satellite mission (TESS) and the Multi-site All-Sky Camera (MASCARA). The signal was established to be of planetary origin through radial velocity measurements obtained u…