activity
20122026
most citedTransits and starspots in the WASP-19 planetary system

125 citations · 480 across the 19 of their papers we have counts for

collaborators

21 papers

astro-ph.GA2026

An HST Wide Field Survey of the Galactic Bulge: Overview, Strategy, and First Results

Sean K. Terry, Jay Anderson, Charles A. Beichman +13

We present an HST imaging survey of a 1.1 sq. degree sky area toward the Milky Way Galactic Bulge. This field significantly overlaps with the upcoming Nancy Grace Roman Galactic Bu…

astro-ph.SR2026

A Minute-Cadence Deep Bulge Survey: First Data Release of DREAMS

Hongjing Yang, Weicheng Zang, Francisco Valdes +31

The DECam Rogue Earths and Mars Survey (DREAMS), a NOIRLab survey program, has been conducting a three-year survey covering a 5 deg area in the Galactic bulge (roughly spanning…

astro-ph.GA2026

An Updated SynthPop Model for Microlensing Simulations I: Model Description & Evaluation

Macy J. Huston, Alison L. Crisp, Marz Newman +21

The optimization and interpretation of microlensing surveys depends on having an accurate model of the Milky Way. However, existing population synthesis Galactic modeling tools oft…

astro-ph.EP2026★ 3 cited

KMT-2025-BLG-1616Lb: First Microlensing Bound Planet From DREAMS

Hongjing Yang, Weicheng Zang, Yoon-Hyun Ryu +60

We present observations and analysis of the bound planetary microlensing event KMT-2025-BLG-1616. The planetary signal was captured by the Korea Microlensing Telescope Network (KMT…

astro-ph.EP2025

Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. V. Detection Rates of Multiplanetary Systems in High Magnification Microlensing Events

Vito Saggese, Étienne Bachelet, Sebastiano Calchi Novati +34

The Nancy Grace Roman Space Telescope will expand the reach of gravitational microlensing surveys by increasing the number of events monitored and the precision of their light curv…

astro-ph.EP2025★ 1 cited

Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. IV. Lens Mass and Distance Measurements

Sean K. Terry, Etienne Bachelet, Farzaneh Zohrabi +54

As part of the Galactic Bulge Time Domain Survey (GBTDS), the Nancy Grace Roman Galactic Exoplanet Survey (RGES) will use microlensing to discover cold outer planets and free-float…

astro-ph.EP2025★ 4 cited

Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. III. Detectability of Giant Exomoons of Wide Separation Giant Planets

Matthew Lastovka, B. Scott Gaudi, Samson A. Johnson +3

The Nancy Grace Roman Space Telescope (Roman) will conduct a Galactic Exoplanet Survey (RGES) to discover bound and free-floating exoplanets using gravitational microlensing. Roman…

astro-ph.EP2025★ 1 cited

Technique-agnostic exoplanet demography for the Roman era -- I. Testing a demography retrieval framework using simulated Kepler-like transit datasets

Akshay Priyadarshi, Eamonn Kerins, Michael D. Albrow +41

The Nancy Grace Roman Space Telescope (Roman) will unveil for the first time the full architecture of planetary systems across Galactic distances through the discovery of up to 200…

astro-ph.EP2025★ 1 cited

Prospects for Reconstructing the Free-floating Planet Mass Function at the Population Level with the Nancy Grace Roman Space Telescope

William DeRocco, Samson A. Johnson, Farzaneh Zohrabi +2

Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds, littl…

astro-ph.EP2024

The Multiband Imaging Survey for High-Alpha PlanetS (MISHAPS) I: Preliminary Constraints on the Occurrence Rate of Hot Jupiters in 47 Tucanae

Alison L. Crisp, Jonas Klüter, Marz L. Newman +14

The first generation of transiting planet searches in globular clusters yielded no detections, and in hindsight, only placed occurrence rate limits slightly higher than the measure…

astro-ph.IM2024★ 2 cited

SynthPop: A New Framework for Synthetic Milky Way Population Generation

Jonas Klüter, Macy J. Huston, Abigail Aronica +6

We present SynthPop, a new open source, modular population synthesis Galactic modeling software to simulate catalogs of Milky Way stars along any sightline outward from the Sun. Mo…

astro-ph.EP2019★ 38 cited

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…

astro-ph.EP2019★ 32 cited

Kojima-1Lb Is a Mildly Cold Neptune around the Brightest Microlensing Host Star

A. Fukui, D. Suzuki, N. Koshimoto +56

We report the analysis of additional multiband photometry and spectroscopy and new adaptive optics (AO) imaging of the nearby planetary microlensing event TCP J05074264+2447555 (Ko…

astro-ph.EP2019★ 17 cited

Parallax of OGLE-2018-BLG-0596: A Low-mass-ratio Planet around an M-dwarf

Youn Kil Jung, Andrew Gould, Andrzej Udalski +63

We report the discovery of a microlensing planet OGLE-2018-BLG-0596Lb, with preferred planet-host mass ratio . The planetary signal, which is chara…

astro-ph.EP2016★ 16 cited

Predictions for the Detection and Characterization of a Population of Free-Floating Planets with K2 Campaign 9

Matthew T. Penny, Nicolas J. Rattenbury, B. Scott Gaudi +1

K2 Campaign 9 (K2C9) offers the first chance to measure parallaxes and masses of members of the large population of free-floating planets (FFPs) that has previously been inferred f…

astro-ph.EP2015★ 72 cited

Transits and starspots in the WASP-6 planetary system

Jeremy Tregloan-Reed, John Southworth, M. Burgdorf +27

We present updates to \textsc{prism}, a photometric transit-starspot model, and \textsc{gemc}, a hybrid optimisation code combining MCMC and a genetic algorithm. We then present hi…

astro-ph.SR2014

WFIRST Ultra-Precise Astrometry II: Asteroseismology

A. Gould, D. Huber, M. Penny +1

WFIRST microlensing observations will return high-precision parallaxes, sigma(pi) < 0.3 microarcsec, for the roughly 1 million stars with H<14 in its 2.8 deg^2 field toward the Gal…

astro-ph.EP2013★ 33 cited

High-precision photometry by telescope defocussing. V. WASP-15 and WASP-16

J. Southworth, L. Mancini, P. Browne +40

We present new photometric observations of WASP-15 and WASP-16, two transiting extrasolar planetary systems with measured orbital obliquities but without photometric follow-up sinc…

astro-ph.EP2013★ 99 cited

Physical properties, transmission and emission spectra of the WASP-19 planetary system from multi-colour photometry

L. Mancini, S. Ciceri, G. Chen +43

We present new ground-based, multi-colour, broad-band photometric measurements of the physical parameters, transmission and emission spectra of the transiting extrasolar planet WAS…

astro-ph.EP2012★ 125 cited

Transits and starspots in the WASP-19 planetary system

Jeremy Tregloan-Reed, John Southworth, C. Tappert

We have developed a new model for analysing light curves of planetary transits when there are starspots on the stellar disc. Because the parameter space contains a profusion of loc…

astro-ph.SR2012★ 36 cited

Characterizing Low-Mass Binaries From Observation of Long Time-scale Caustic-crossing Gravitational Microlensing Events

I. -G. Shin, C. Han, J. -Y. Choi +119

Despite astrophysical importance of binary star systems, detections are limited to those located in small ranges of separations, distances, and masses and thus it is necessary to u…