3.6k citations · 5.6k across the 23 of their papers we have counts for
23 papers
Joint Learning of Portrait Intrinsic Decomposition and Relighting
Mona Zehni, Shaona Ghosh, Krishna Sridhar +1
Inverse rendering is the problem of decomposing an image into its intrinsic components, i.e. albedo, normal and lighting. To solve this ill-posed problem from single image, state-o…
Rapid model comparison of equations of state from gravitational wave observation of binary neutron star coalescences
Shaon Ghosh, Xiaoshu Liu, Jolien Creighton +3
The discovery of the coalescence of binary neutron star GW170817 was a watershed moment in the field of gravitational wave astronomy. Among the rich variety of information that we…
Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589
We report results from searches for anisotropic stochastic gravitational-wave backgrounds using data from the first three observing runs of the Advanced LIGO and Advanced Virgo det…
First demonstration of early warning gravitational wave alerts
Ryan Magee, Deep Chatterjee, Leo P. Singer +33
Gravitational-wave observations became commonplace in Advanced LIGO-Virgo's recently concluded third observing run. 56 non-retracted candidates were identified and publicly announc…
Constraints on cosmic strings using data from the third Advanced LIGO-Virgo observing run
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1586
We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 data set. Search results are presented for gravitational waves produced b…
Kilonova Luminosity Function Constraints based on Zwicky Transient Facility Searches for 13 Neutron Star Mergers
Mansi M. Kasliwal, Shreya Anand, Tomas Ahumada +100
We present a systematic search for optical counterparts to 13 gravitational wave (GW) triggers involving at least one neutron star during LIGO/Virgo's third observing run. We searc…
Enhancing Gravitational-Wave Science with Machine Learning
Elena Cuoco, Jade Powell, Marco Cavaglià +23
Machine learning has emerged as a popular and powerful approach for solving problems in astrophysics. We review applications of machine learning techniques for the analysis of grou…
A Machine Learning Based Source Property Inference for Compact Binary Mergers
Deep Chatterjee, Shaon Ghosh, Patrick R. Brady +4
The detection of the binary neutron star (BNS) merger, GW170817, was the first success story of multi-messenger observations of compact binary mergers. The inferred merger rate alo…
GROWTH on S190425z: Searching thousands of square degrees to identify an optical or infrared counterpart to a binary neutron star merger with the Zwicky Transient Facility and Palomar Gattini IR
Michael W. Coughlin, Tomás Ahumada, Shreya Anand +76
The third observing run by LVC has brought the discovery of many compact binary coalescences. Following the detection of the first binary neutron star merger in this run (LIGO/Virg…
The Zwicky Transient Facility: Science Objectives
Matthew J. Graham, S. R. Kulkarni, Eric C. Bellm +114
The Zwicky Transient Facility (ZTF), a public-private enterprise, is a new time domain survey employing a dedicated camera on the Palomar 48-inch Schmidt telescope with a 47 deg$^2…
2900 square degree search for the optical counterpart of short gamma-ray burst GRB 180523B with the Zwicky Transient Facility
Michael W. Coughlin, Tomas Ahumada, S. Bradley Cenko +31
There is significant interest in the models for production of short gamma-ray bursts. Until now, the number of known short gamma-ray bursts with multi-wavelength afterglows has bee…
Systematic effects from black hole-neutron star waveform model uncertainties on the neutron star equation of state
Kabir Chakravarti, Anuradha Gupta, Sukanta Bose +12
We identify various contributors of systematic effects in the measurement of the neutron star (NS) tidal deformability and quantify their magnitude for several types of neutron sta…
Optimizing searches for electromagnetic counterparts of gravitational wave triggers
Michael W. Coughlin, Duo Tao, Man Leong Chan +9
With the detection of a binary neutron star system and its corresponding electromagnetic counterparts, a new window of transient astronomy has opened. Due to the size of the error…
Gravitational Waves and Gamma-rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A
LIGO Scientific Collaboration, Virgo Collaboration, Fermi Gamma-Ray Burst Monitor +1
On 2017 August 17, the gravitational-wave event GW170817 was observed by the Advanced LIGO and Virgo detectors, and the gamma-ray burst (GRB) GRB 170817A was observed independently…
Neural Networks for Text Correction and Completion in Keyboard Decoding
Shaona Ghosh, Per Ola Kristensson
Despite the ubiquity of mobile and wearable text messaging applications, the problem of keyboard text decoding is not tackled sufficiently in the light of the enormous success of t…
Hunting electromagnetic counterparts of gravitational-wave events using the Zwicky Transient Facility
Shaon Ghosh, Deep Chatterjee, David L. Kaplan +2
Detections of coalescing binary black holes by LIGO have opened a new window of transient astronomy. With increasing sensitivity of LIGO and participation of the Virgo detector in…
An Application of Network Lasso Optimization For Ride Sharing Prediction
Shaona Ghosh, Kevin Page, David De Roure
Ride sharing has important implications in terms of environmental, social and individual goals by reducing carbon footprints, fostering social interactions and economizing commuter…
Tiling strategies for optical follow-up of gravitational wave triggers by wide field of view telescopes
Shaon Ghosh, Steven Bloemen, Gijs Nelemans +2
Binary neutron stars are among the most promising candidates for joint gravitational-wave and electromagnetic astronomy. The goal of this work is to investigate the strategy of usi…
Localizing gravitational wave sources with optical telescopes and combining electromagnetic and gravitational wave data
Shaon Ghosh, Gijs Nelemans
Neutron star binaries, which are among the most promising sources for the direct detection of gravitational waves (GW) by ground based detectors, are also potential electromagnetic…
Extended Formulations for Online Linear Bandit Optimization
Shaona Ghosh, Adam Prugel-Bennett
On-line linear optimization on combinatorial action sets (d-dimensional actions) with bandit feedback, is known to have complexity in the order of the dimension of the problem. The…
Toward finding gravitational-wave signals from progenitors of short hard gamma-ray bursts and orphaned afterglows
Shaon Ghosh, Sukanta Bose
With multiple observatories and missions being planned for detecting orphaned afterglows associated with gamma-ray bursts (GRBs) we emphasize the importance of developing data anal…
Systematic errors in measuring parameters of non-spinning compact binary coalescences with post-Newtonian templates
Sukanta Bose, Shaon Ghosh, Ajith Parameswaran
We study the astrophysical impact of inaccurate and incomplete modeling of the gravitational waveforms from compact binary coalescences (CBCs). We do so by the matched filtering of…
A blind hierarchical coherent search for gravitational-wave signals from coalescing compact binaries in a network of interferometric detectors
Sukanta Bose, Thilina Dayanga, Shaon Ghosh +1
We describe a hierarchical data analysis pipeline for coherently searching for gravitational wave (GW) signals from non-spinning compact binary coalescences (CBCs) in the data of m…