39 citations · 186 across the 23 of their papers we have counts for
24 papers
Microlensify: a Transformer Based Machine Learning Classifier for Microlensing Events Trained on TESS Light Curves
Atousa Kalantari, Somayeh Khakpash, Sedighe Sajadian +3
Microlensing can reveal populations of faint compact objects that are otherwise difficult to detect. Depending on their design, all-sky surveys have the potential to search for the…
GOPREAUX I: Open-source Code and Data to Model Multi-wavelength Emission of Extragalactic Transients using Gaussian Processes
C. Pellegrino, T. A. Pritchard, M. Modjaz +3
Contemporary all-sky surveys have observed thousands of extragalactic transients in the nearby universe, and upcoming surveys will discover exponentially more at higher redshifts.…
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…
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…
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…
Autoencoder Reconstruction of Cosmological Microlensing Magnification Maps
Somayeh Khakpash, Federica Bianco, Georgios Vernardos +2
Enhanced modeling of microlensing variations in light curves of strongly lensed quasars improves measurements of cosmological time delays, the Hubble Constant, and quasar structure…
Simulating Gravitational Microlensing Events by TESS: Predictions on Statistics and Properties
Sedighe Sajadian, Atousa Kalantari, Hossein Fatheddin +1
We study the statistics and properties of microlensing events that can be detected by the Transiting Exoplanet Survey Satellite(TESS) based on Monte Carlo simulations. We simulate…
Synergies between Roman Galactic Plane Survey and other major surveys
Katarzyna Kruszyńska, Rachel A. Street, Steven Gough-Kelly +15
Nancy Grace Roman Space Telescope will revolutionize our understanding of the Galactic Bulge with its Galactic Bulge Time Domain survey. At the same time, Rubin Observatories's Leg…
Multi-filter UV to NIR Data-driven Light Curve Templates for Stripped Envelope Supernovae
Somayeh Khakpash, Federica B. Bianco, Maryam Modjaz +4
While the spectroscopic classification scheme for Stripped envelope supernovae (SESNe) is clear, and we know that they originate from massive stars that lost some or all their enve…
Microlensing Discovery and Characterization Efficiency in the Vera C. Rubin Legacy Survey of Space and Time
Natasha S. Abrams, Markus P. G. Hundertmark, Somayeh Khakpash +11
The Vera C. Rubin Legacy Survey of Space and Time will discover thousands of microlensing events across the Milky Way Galaxy, allowing for the study of populations of exoplanets, s…
LSST Survey Strategy in the Galactic Plane and Magellanic Clouds
R. A. Street, X. Li, S. Khakpash +16
Galactic science encompasses a wide range of subjects in the study of the Milky Way and Magellanic Clouds, from Young Stellar Objects to X-ray Binaries. Mapping these populations,…
Rubin Observatory LSST Transients and Variable Stars Roadmap
Kelly M. Hambleton, Federica B. Bianco, Rachel Street +79
The Vera C. Rubin Legacy Survey of Space and Time holds the potential to revolutionize time domain astrophysics, reaching completely unexplored areas of the Universe and mapping va…
Toward automated detection of light echoes in synoptic surveys: considerations on the application of the Deep Convolutional Neural Networks
Xiaolong Li, Federica B. Bianco, Gregory Dobler +7
Light Echoes (LEs) are the reflections of astrophysical transients off of interstellar dust. They are fascinating astronomical phenomena that enable studies of the scattering dust…
Investigation of the Orbital Period and Mass Relations for W UMa-type Contact Systems
Atila Poro, Soroush Sarabi, Shiva Zamanpour +14
New relationships between the orbital period and some parameters of W Ursae Majoris (W UMa) type systems are presented in this study. To investigate the relationships, we calculate…
Classifying High-cadence Microlensing Light Curves I; Defining Features
Somayeh Khakpash, Joshua Pepper, Matthew Penny +2
Microlensing is a powerful tool for discovering cold exoplanets, and the The Roman Space Telescope microlensing survey will discover over 1000 such planets. Rapid, automated classi…
The First Light Curve Solutions and Period Study of BQ Ari
A. Poro, F. Davoudi, F. Alicavus +14
The first analysis of the photometric observation in BVR filters of a W UMa type binary system BQ Ari was performed. Light curve analysis was performed using Wilson-Devinney (W-D)…
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…
Light Curve Analysis of Ground-Based Data from Exoplanets Transit Database
F. Davoudi, S. J. Jafarzadeh, A. Poro +9
Photometric observations of exoplanet transits can be used to derive the orbital and physical parameters of an exoplanet. We analyzed several transit light curves of exoplanets tha…
KELT-24b: A 5M Planet on a 5.6 day Well-Aligned Orbit around the Young V=8.3 F-star HD 93148
Joseph E. Rodriguez, Jason D. Eastman, George Zhou +76
We present the discovery of KELT-24 b, a massive hot Jupiter orbiting a bright (V=8.3 mag, K=7.2 mag) young F-star with a period of 5.6 days. The host star, KELT-24 (HD 93148), has…
KELT-23Ab: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
Daniel Johns, Phillip Reed, Joseph Rodriguez +55
We announce the discovery of KELT-23Ab, a hot Jupiter transiting the relatively bright () star BD+66 911 (TYC 4187-996-1), and characterize the system using follow-up photo…
A Fast Approximate Approach to Microlensing Survey Analysis
Somayeh Khakpash, Matthew Penny, Joshua Pepper
Microlensing can be used to discover exoplanets of a wide range of masses with orbits beyond ~ 1 AU, and even free-floating planets. The WFIRST mission will use microlensing to dis…
Unique Science from a Coordinated LSST-WFIRST Survey of the Galactic Bulge
R. A. Street, M. B. Lund, M. Donachie +19
NASA's WFIRST mission will perform a wide-field, NIR survey of the Galactic Bulge to search for exoplanets via the microlensing techniques. As the mission is due to launch in the m…
The Diverse Science Return from a Wide-Area Survey of the Galactic Plane
R. A. Street, M. B. Lund, S. Khakpash +19
The overwhelming majority of objects visible to LSST lie within the Galactic Plane. Though many previous surveys have avoided this region for fear of stellar crowding, LSST's spati…
White Paper: Exoplanetary Microlensing from the Ground in the 2020s
Jennifer C. Yee, Jay Anderson, Rachel Akeson +25
Microlensing can access planet populations that no other method can probe: cold wide-orbit planets beyond the snow line, planets in both the Galactic bulge and disk, and free float…