activity
20172026
most citedStellar Spectroscopy in the Near-infrared with a Laser Frequency Comb

153 citations · 1.6k across the 101 of their papers we have counts for

collaborators

106 papers

astro-ph.EP2026

A Headwind-like Helium Outflow from TOI-3884b

Joe P. Ninan, Jessica Libby-Roberts, Suvrath Mahadevan +19

Constraining atmospheric loss is crucial for understanding the evolution of planetary atmospheres. We report the detection of an evaporating exosphere from TOI-3884b, a super-Neptu…

astro-ph.EP2026

The metallicity of giant exoplanets around low-mass stars and how Ariel can help

Ravit Helled, Sho Shibata, Shubham Kanodia +1

Giant planets orbiting low-mass stars represent a unique population of giant planets that can be studied to constrain planet formation theory. Surveys of transiting giant exoplanet…

astro-ph.EP2026

GEMS JWST: Hold on to your HATS(-6 b), a sub-solar metallicity giant planet with water, methane and ammonia in its atmosphere

Giannina Guzmán Caloca, Caleb I. Cañas, Nicole L. Wallack +16

HATS-6 b is one of several recently discovered Giant Exoplanets orbiting M-dwarf Stars (GEMS) and is part of a JWST survey that aims to compare bulk and atmospheric properties of t…

astro-ph.EP2026

A Revised Mass and Period for the Habitable Zone super-Earth GJ 3378b: A Planet Straddling the Cosmic Shoreline

Paul Robertson, Michael Endl, William D. Cochran +18

The nearby ( pc) M4V star GJ~3378 is a target of our radial velocity (RV) exoplanet survey of fully convective stars in the Solar neighborhood with the near-infrared spect…

astro-ph.EP2026

The T16 Planet Hunt: 10,000 New Planet Candidates from TESS Cycle 1 and the Confirmation of a Hot Jupiter Around TIC 183374187

Joshua T. Roth, Joel D. Hartman, Gáspár Á. Bakos +12

The T16 project has produced a uniformly detrended and systematics-corrected set of 83,717,159 TESS Cycle 1 full-frame image light curves for stars observed by TESS in its primary…

astro-ph.SR2026

Searching for GEMS: Discovery of the Nearby Post-Common-Envelope Binary System TIC-460388167

Alexandra Boone, Henry A. Kobulnicky, Caleb I. Cañas +11

Short-period white dwarf+main-sequence binaries are Post-Common-Envelope Binaries (PCEB) that have survived a common envelope phase. Such systems, if detached and eclipsing, enable…

astro-ph.EP2026

GEMS JWST: HATS-75 b -- A giant planet with a sub-solar metallicity atmosphere orbiting an M-dwarf

Reza Ashtari, Jacob Lustig-Yaeger, Jessica Libby-Roberts +12

HATS-75 b is one of the recently discovered Giant Exoplanets orbiting M-dwarf Stars (GEMS) with a transmission spectrum shaped by both its atmosphere and the active stellar surface…

astro-ph.SR2026

A Chemical Mismatch Between Young Stars and Their Inner Disks

Diogo Souto, Ilaria Pascucci, Katia Cunha +1

We present the first stellar elemental abundance study for two very low-mass stars, similar in mass to TRAPPIST-1, in the \,Myr-old Upper-Sco association. Their mid-infra…

astro-ph.EP2026

Searching for GEMS: Three warm Saturns and a super-Jupiter orbiting four early M-dwarfs

Pranav H. Premnath, Paul Robertson, Shubham Kanodia +33

We report the confirmation and characterization of four transiting giant planets orbiting early-M dwarfs discovered by the Searching for Giant Exoplanets around M-dwarf Stars (GEMS…

astro-ph.EP2026

GEMS JWST: A sub-Solar metallicity atmosphere for giant planet TOI-5293Ab orbiting a rapidly changing M-dwarf

Shubham Kanodia, Caleb I. Cañas, Jacob Lustig-Yaeger +13

The growing sample of Giant Exoplanets around M-dwarf Stars (GEMS) helps probe the extremes of giant planet formation. Comparing the properties of this sample with their FGK counte…

astro-ph.EP2026

TOI-7169 b: A Hot Jupiter Transiting a Metal-Poor Star

Joshua D. Simon, Joseph E. Rodriguez, Jhon Yana Galarza +38

Most known planets are found around metal-rich host stars, which has made it difficult to determine whether a lower metallicity limit for planet formation exists and how the proper…

astro-ph.EP2026★ 1 cited

A Panchromatic JWST Spectrum of a Giant Starspot on the Fully Convective M-dwarf TOI-3884

C. A. Murray, L. Garcia, B. V. Rackham +18

TOI-3884 b is a rare super-Neptune transiting a fully convective M dwarf that hosts a persistent giant polar spot. Because the planet occults this active region during every transi…

astro-ph.SR2026

Stellar and orbital characterization of three low mass M dwarf binary stars with dynamical spectroscopy from the Habitable Zone Planet Finder

Suhani Surana, Chad F. Bender, Caleb I. Cañas +13

Theoretical models of low-mass stars continue to be discrepant with observations when used to examine the mass-radius relationship and other physical parameters of individual stars…

astro-ph.EP2026

Detection of four cold Jupiters through combined analyses of radial velocity and astrometry data

Yiyun Wu, Guang-Yao Xiao, R. Paul Butler +19

Cold Jupiters play a crucial role in planet formation and dynamical evolution. Since their initial discovery around 47 UMa, they have attracted significant interest, yet their form…

astro-ph.EP2025★ 2 cited

Discovery of a Nearby Habitable Zone Super-Earth Candidate Amenable to Direct Imaging

Corey Beard, Paul Robertson, Jack Lubin +31

We present the discovery of GJ 251 c, a candidate super-Earth orbiting in the Habitable Zone (HZ) of its M dwarf host star. Using high-precision Habitable-zone Planet Finder (HPF)…

astro-ph.EP2025

Searching for GEMS: TOI-5916 b & TOI-6158 b are two Saturn-density planets orbiting M2 dwarfs

Shane O'Brien, Amber Wong, Te Han +20

We confirm the planetary nature of (1) TOI-5916 b and (2) TOI-6158 b, two Exoplanets Transiting M-dwarf Stars (GEMS), both discovered by the Transiting Exoplanet Survey Satellite (…

astro-ph.EP2025★ 3 cited

MANGOS II: Five new giant planets orbiting low-mass stars

G. Dransfield, M. Timmermans, D. Sebastian +47

Giant planets orbiting low-mass stars on short orbits present a conundrum, as in the most extreme cases their existence cannot be reconciled with current models of core accretion.…

astro-ph.EP2025

Searching for GEMS: TOI-5349b is a Saturn-like planet orbiting a metal-rich early M-dwarf

Angeli Sandoval, Caleb I. Cañas, Shubham Kanodia +27

We report the confirmation and analysis of TOI-5349b, a transiting, warm, Saturn-like planet orbiting an early M-dwarf with a period of 3.3 days, which we confirmed as part o…

astro-ph.EP2025

A New Approach to Compiling Exoatmospheric Target Lists And Quantifying the Ground-Based Resources Needed to Vet Them

Jennifer A. Burt, Robert T. Zellem, David R. Ciardi +8

Transiting exoplanet atmospheric characterization is currently in a golden age as dozens of exoplanet atmospheres are being studied by NASA's Hubble and James Webb Space Telescopes…

astro-ph.EP2025★ 1 cited

Searching for GEMS: The Occurrence of Giant Planets orbiting M-dwarfs within 100 pc

Rowen I. Glusman, Caleb I. Cañas, Shubham Kanodia +30

We present results from a systematic search for transiting short-period Giant Exoplanets around M-dwarf Stars (GEMS; days, ) within a distance-limi…

astro-ph.EP2025

The NEID Earth Twin Survey. IV. Confirming an 89 d, Planet Orbiting a Nearby Sun-like Star

Mark R. Giovinazzi, Evan Fitzmaurice, Arvind F. Gupta +19

We present the confirmation of HD 190360 d, a warm (), low-mass () planet orbiting the nearb…

astro-ph.EP2025

Searching for GEMS: TOI-7149~b an Inflated Giant Planet causing a 12% Transit of a Fully Convective M-dwarf

Shubham Kanodia, Caleb I. Cañas, Suvrath Mahadevan +20

We describe the discovery and characterization of TOI-7149~b, a 0.705 0.075 , 1.18 0.045 gas giant on a day period orbit transiting an M4V star w…

astro-ph.EP2025

Spectroscopic Characterization of LOFAR Radio-emitting M dwarfs

E. Koo, G. Stefansson, R. D. Kavanagh +20

Recent observations with the LOw Frequency ARray (LOFAR) have revealed 19 nearby M dwarfs showing bright circularly polarised radio emission. One of the possible sources of such em…

astro-ph.EP2025★ 2 cited

An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf

Kaya Han Taş, Gudmundur Stefansson, Syarief N. M. Fariz +25

We present the discovery and confirmation of the ultra-short period (USP) planet TOI-2431 b orbiting a nearby ( pc) late K star ( = $4109 \pm 28 \, {\rm…