Publications

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(2024). Workforce Development in Astronomy and Astroinformatics.

(2024). Long Term Space Data and Informatics Needs.

(2024). Latest Developments and Opportunities in Sky Survey.

(2024). Regional and Global Collaborations in Astronomy.

(2024). Large Projects in Astronomy: An Indian Endeavour.

(2024). Global Data in Astronomy: Challenges and Opportunities.

(2024). The Zwicky Transient Facility Bright Transient Survey. III. $ exttt{BTSbot}$: Automated Identification and Follow-up of Bright Transients with Deep Learning.

(2024). AstroInformatics: Recommendations for Global Cooperation.

(2023). Four new eclipsing accreting ultracompact white dwarf binaries found with the Zwicky Transient Facility.

(2023). GraL spectroscopic identification of multiply imaged quasars.

(2023). Characterizing the Ordinary Broad-lined Type Ic SN 2023pel from the Energetic GRB 230812B.

(2023). The ZTF Source Classification Project: III. A Catalog of Variable Sources.

(2023). $ exttt{tdescore}$: An Accurate Photometric Classifier for Tidal Disruption Events.

(2023). Minutes-duration Optical Flares with Supernova Luminosities.

(2023). Enabling Kilonova Science with Nancy Grace Roman Space Telescope.

(2023). Palomar discovery and initial characterization of naked-eye long period comet C/2022 E3 (ZTF).

(2023). Tidal Disruption Event Demographics with the Zwicky Transient Facility: Volumetric Rates, Luminosity Function, and Implications for the Local Black Hole Mass Function.

(2023). Data-Driven Approaches to Searches for the Technosignatures of Advanced Civilizations.

(2023). Explaining the GWSkyNet-Multi machine learning classifier predictions for gravitational-wave events.

(2023). The broad-lined Type-Ic supernova SN 2022xxf with extraordinary two-humped light curves.

(2023). The RoboPol sample of optical polarimetric standards.

(2023). A data science platform to enable time-domain astronomy.

(2023). A Search for Extragalactic Fast Blue Optical Transients in ZTF and the Rate of AT2018cow-like Transients.

(2022). Applications of AI in Astronomy.

(2022). A very luminous jet from the disruption of a star by a massive black hole.

(2022). A light in the dark: searching for electromagnetic counterparts to black hole-black hole mergers in LIGO/Virgo O3 with the Zwicky Transient Facility.

(2022). The Tidal Disruption Event AT2021ehb: Evidence of Relativistic Disk Reflection, and Rapid Evolution of the Disk-Corona System.

(2022). SNGuess: A method for the selection of young extragalactic transients.

(2022). From Data to Software to Science with the Rubin Observatory LSST.

(2022). SNIascore: Deep Learning Classification of Low-Resolution Supernova Spectra.

(2022). The Zwicky Transient Facility phase I sample of hydrogen-rich superluminous supernovae without strong narrow emission lines.

(2022). Neutrino follow-up with the Zwicky Transient Facility: Results from the first 24 campaigns.

(2022). Discovery of Two Polars from a Crossmatch of ZTF and the SRG/eFEDS X-ray Catalog.

(2022). A 62-minute orbital period black widow binary in a wide hierarchical triple.

(2022). Tracing Milky Way substructure with an RR Lyrae hierarchical clustering forest.

(2022). Zwicky Transient Facility and Globular Clusters: The RR Lyrae gri-Band Period-Luminosity-Metallicity and Period-Wesenheit-Metallicity Relations.

(2022). In search of short gamma-ray burst optical counterpart with the Zwicky Transient Facility.

(2022). PGIR 20eid (SN2020qmp): A Type IIP Supernova at 15.6 Mpc discovered by the Palomar Gattini-IR survey.

(2022). Removing Atmospheric Fringes from Zwicky Transient Facility i-Band Images using Principal Component Analysis.

(2021). Beyond Low Earth Orbit: Biomonitoring, Artificial Intelligence, and Precision Space Health.

(2021). Beyond Low Earth Orbit: Biological Research, Artificial Intelligence, and Self-Driving Labs.

(2021). The large-scale environment of thermonuclear and core-collapse supernovae.

(2021). Characterizing Sparse Asteroid Light Curves with Gaussian Processes.

(2021). GWSkyNet-Multi: A Machine Learning Multi-Class Classifier for LIGO-Virgo Public Alerts.

(2021). Two c's in a pod: Cosmology independent measurement of the Type Ia supernova colour-luminosity relation with a sibling pair.

(2021). Faintest of them all : ZTF 21aaoryiz/SN 2021fcg -- Discovery of an extremely low luminosity type Iax supernova.

(2021). Gaia GraL: Gaia DR2 Gravitational Lens Systems. VII. XMM-Newton Observations of Lensed Quasars.

(2021). AT2018lqh and the nature of the emerging population of day-scale duration optical transients.

(2021). A tidal disruption event coincident with a high-energy neutrino.

(2021). A method for finding anomalous astronomical light curves and their analogs.

(2021). Optimization of the Observing Cadence for the Rubin Observatory Legacy Survey of Space and Time: a pioneering process of community-focused experimental design.

(2021). The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Selection of a performance metric for classification probabilities balancing diverse science goals.

(2021). Deep Co-Added Sky from Catalina Sky Survey Images.

(2021). A highly magnetised and rapidly rotating white dwarf as small as the Moon.

(2021). Cataclysmic Variables in the Second Year of the Zwicky Transient Facility.

(2021). The Time-Dependent Distribution of Optical Polarization Angle Changes in Blazars.

(2021). The Deeper, Wider, Faster Program: Exploring stellar flare activity with deep, fast cadenced DECam imaging via machine learning.

(2021). Alert Classification for the ALeRCE Broker System: The Real-time Stamp Classifier.

(2021). Gaia Photometric Science Alerts.

(2021). The Photometric and Spectroscopic Evolution of Rapidly Evolving Extragalactic Transients in ZTF.

(2021). ZTFJ0038+2030: a long period eclipsing white dwarf and a substellar companion.

(2021). Zwicky Transient Facility and Globular Clusters: the Period-Luminosity and Period-Luminosity-Color Relations for Late-Type Contact Binaries.

(2021). Discovery and confirmation of the shortest gamma ray burst from a collapsar.

(2021). A systematic search for outbursting AM CVn systems with the Zwicky Transient Facility.

(2021). Fast-transient Searches in Real Time with ZTFReST: Identification of Three Optically-discovered Gamma-ray Burst Afterglows and New Constraints on the Kilonova Rate.

(2021). AGN on the move: A search for off-nuclear AGN from recoiling SMBHs and ongoing galaxy mergers with the Zwicky Transient Facility.

(2021). Time-series and Phasecurve Photometry of Episodically-Active Asteroid (6478) Gault in a Quiescent State Using APO, GROWTH, P200 and ZTF.

(2021). Tails: Chasing Comets with the Zwicky Transient Facility and Deep Learning.

(2021). The ZTF Source Classification Project: I. Methods and Infrastructure.

(2021). Nigraha: Machine-learning based pipeline to identify and evaluate planet candidates from TESS.

(2021). A population of heavily reddened, optically missed novae from Palomar Gattini-IR: Constraints on the Galactic nova rate.

(2021). Nigraha: Machine-learning based pipeline to identify and evaluate planet candidates from TESS.

(2021). GWSkyNet: a real-time classifier for public gravitational-wave candidates.

(2021). Initial Characterization of Active Transitioning Centaur, P/2019 LD2 (ATLAS), using Hubble, Spitzer, ZTF, Keck, APO and GROWTH Visible & Infrared Imaging and Spectroscopy.

(2020). Results of the Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC).

(2020). Gaia GraL: Gaia DR2 Gravitational Lens Systems. VI. Spectroscopic Confirmation and Modeling of Quadruply-Imaged Lensed Quasars.

(2020). AGN on the move: A search for off-nuclear AGN from recoiling SMBHs and ongoing galaxy mergers with the Zwicky Transient Facility.

(2020). GWSkyNet: a real-time classifier for public gravitational-wave candidates.

(2020). TDE Hosts are Green and Centrally Concentrated: Signatures of a Post-Merger System.

(2020). A Family Tree of Optical Transients from Narrow-Line Seyfert 1 Galaxies.

(2020). An 8.8 minute orbital period eclipsing detached double white dwarf binary.

(2020). The Zwicky Transient Facility Bright Transient Survey. II. A Public Statistical Sample for Exploring Supernova Demographics.

(2020). Spatiotemporal strategies to identify aggressive biology in precancerous breast biopsies.

(2020). The ZTF Source Classification Project: II. Periodicity and variability processing metrics.

(2020). Cancer Biomarkers and Big Data: A Planetary Science Approach.

(2020). ZTF Early Observations of Type Ia Supernovae II: First Light, the Initial Rise, and Time to Reach Maximum Brightness.

(2020). Supernova SN 2020faa -- an iPTF14hls look-alike?.

(2020). Where is Waldo (and his friends)? A comparison of anomaly detection algorithms for time-domain astronomy.

(2020). A kilometer-scale asteroid inside Venus's orbit.

(2020). A systematic search of Zwicky Transient Facility data for ultracompact binary LISA-detectable gravitational-wave sources.

(2020). A large fraction of hydrogen-rich supernova progenitors experience elevated mass loss shortly prior to explosion.

(2020). Characterization of Temporarily-Captured Minimoon 2020 CD$_3$ by Keck Time-resolved Spectrophotometry.

(2020). Unsupervised machine learning for transient discovery in Deeper, Wider, Faster light curves.

(2020). Alert Classification for the ALeRCE Broker System: The Real-time Stamp Classifier.

(2020). The Automatic Learning for the Rapid Classification of Events (ALeRCE) Alert Broker.

(2020). New methods to assess and improve LIGO detector duty cycle.

(2020). Constraining the Kilonova Rate with Zwicky Transient Facility Searches Independent of Gravitational Wave and Short Gamma-ray Burst Triggers.

(2020). A new class of Roche lobe-filling hot subdwarf binaries.

(2020). The Spectacular Ultraviolet Flash From the Peculiar Type Ia Supernova 2019yvq.

(2020). Candidate Electromagnetic Counterpart to the Binary Black Hole Merger Gravitational Wave Event S190521g.

(2020). Kilonova Luminosity Function Constraints based on Zwicky Transient Facility Searches for 13 Neutron Star Mergers.

(2020). Zwicky Transient Facility constraints on the optical emission from the nearby repeating FRB 180916.J0158+65.

(2020). Recurring Outbursts of P/2019 LM$_4$ (Palomar).

(2020). A Search for Extra-Tidal RR Lyrae in the Globular Cluster NGC 5024 and NGC 5053.

(2020). Characterization of the Nucleus, Morphology and Activity of Interstellar Comet 2I/Borisov by Optical and Near-Infrared GROWTH, Apache Point, IRTF, ZTF and Keck Observations.

(2020). A high-energy neutrino coincident with a tidal disruption event.

(2020). The Broad-lined Ic Supernova ZTF18aaqjovh (SN 2018bvw): An Optically-discovered Engine-driven Supernova Candidate with Luminous Radio Emission.

(2020). Deep modeling of quasar variability.

(2020). ZTF Early Observations of Type Ia Supernovae II: First Light, the Initial Rise, and Time to Reach Maximum Brightness.

(2020). Seventeen Tidal Disruption Events from the First Half of ZTF Survey Observations: Entering a New Era of Population Studies.

(2019). A Twilight Search for Atiras, Vatiras and Co-orbital Asteroids: Preliminary Results.

(2019). Enabling real-time multi-messenger astrophysics discoveries with deep learning.

(2019). Eliminating artefacts in Polarimetric Images using Deep Learning.

(2019). Characterization of the Nucleus, Morphology and Activity of Interstellar Comet 2I/Borisov by Optical and Near-Infrared GROWTH, Apache Point, IRTF, ZTF and Keck Observations.

(2019). Palomar Gattini-IR: Survey overview, data processing system, on-sky performance and first results.

(2019). The Zwicky Transient Facility Bright Transient Survey I: Spectroscopic Classification and the Redshift Completeness of Local Galaxy Catalogs.

(2019). New methods to assess and improve LIGO detector duty cycle.

(2019). DeepStreaks: identifying fast-moving objects in the Zwicky Transient Facility data with deep learning.

(2019). Realizing the potential of astrostatistics and astroinformatics.

(2019). General relativistic orbital decay in a seven-minute-orbital-period eclipsing binary system.

(2019). Real-bogus classification for the Zwicky Transient Facility using deep learning.

(2019). GROWTH on S190510g: DECam Observation Planning and Follow-Up of a Distant Binary Neutron Star Merger Candidate.

(2019). Transient processing and analysis using $ exttt{AMPEL}$: Alert Management, Photometry and Evaluation of Lightcurves.

(2019). Understanding extreme quasar optical variability with CRTS: II. Changing-state quasars.

(2019). Towards Efficient Detection of Small Near-Earth Asteroids Using the Zwicky Transient Facility (ZTF).

(2019). Astro2020 Science White Paper: The Next Decade of Astroinformatics and Astrostatistics.

(2019). RoboPol: A four-channel optical imaging polarimeter.

(2019). The first tidal disruption flare in ZTF: from photometric selection to multi-wavelength characterization.

(2019). The Zwicky Transient Facility: Science Objectives.

(2019). Machine Learning for the Zwicky Transient Facility.

(2019). The Zwicky Transient Facility: System Overview, Performance, and First Results.

(2019). The Zwicky Transient Facility: Data Processing, Products, and Archive.

(2019). Deep Learning for Multi-Messenger Astrophysics: A Gateway for Discovery in the Big Data Era.

(2019). 2900 square degree search for the optical counterpart of short gamma-ray burst GRB 180523B with the Zwicky Transient Facility.

(2019). Optimizing spectroscopic follow-up strategies for supernova photometric classification with active learning.

(2018). The Fast, Luminous Ultraviolet Transient AT2018cow: Extreme Supernova, or Disruption of a Star by an Intermediate-Mass Black Hole?.

(2018). Results of a systematic search for outburst events in 1.4 million galaxies.

(2018). The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Selection of a performance metric for classification probabilities balancing diverse science goals.

(2018). The Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC): Data set.

(2018). LSST: from Science Drivers to Reference Design and Anticipated Data Products.

(2018). Summarizing performance for genome scale measurement of miRNA: reference samples and metrics.

(2018). MALS-NOT: Identifying Radio-Bright Quasars for the MeerKAT Absorption Line Survey.

(2017). RoboPol: Connection between optical polarization plane rotations and gamma-ray flares in blazars.

(2017). Deep-Learnt Classification of Light Curves.

(2017). The MeerKAT Absorption Line Survey (MALS).

(2017). `Zwicky's Nonet': a compact merging ensemble of nine galaxies and 4C 35.06, a peculiar radio galaxy with dancing radio jets.

(2017). Science-Driven Optimization of the LSST Observing Strategy.

(2017). Long-term Periodicities of Cataclysmic Variables with Synoptic Surveys.

(2017). Understanding extreme quasar optical variability with CRTS: I. Major AGN flares.

(2017). Extreme Variability in a Broad Absorption Line Quasar.

(2017). Clustering on very small scales from a large sample of confirmed quasar pairs: Does quasar clustering track from Mpc to kpc scales?.

(2017). From Sky to Earth: Data Science Methodology Transfer.

(2016). Detection of quasars in the time domain.

(2016). RoboPol: The optical polarization of gamma-ray--loud and gamma-ray--quiet blazars.

(2016). RoboPol: Do optical polarization rotations occur in all blazars?.

(2016). Optical polarization map of the Polaris Flare with RoboPol.

(2016). Real-Time Data Mining of Massive Data Streams from Synoptic Sky Surveys.

(2016). RoboPol: optical polarization-plane rotations and flaring activity in blazars.

(2015). From Stars to Patients: Lessons from Space Science and Astrophysics for Health Care Informatics.

(2015). Gamma rays from the quasar PKS 1441+25: story of an escape.

(2015). Bigger Buffer k-d Trees on Multi-Many-Core Systems.

(2015). Infrared Time Lags for the Periodic Quasar PG 1302-102.

(2015). Properties and Evolution of the Redback Millisecond Pulsar Binary PSR J2129-0429.

(2015). An example journal article. Journal of Source Themes, 1(1).

PDF Cite Code Slides

(2015). A systematic search for close supermassive black hole binaries in the Catalina Real-Time Transient Survey.

(2015). Total eclipse of the heart: The AM CVn Gaia14aae / ASSASN-14cn.

(2015). AstroStat - A VO Tool for Statistical Analysis.

(2015). A possible close supermassive black-hole binary in a quasar with optical periodicity.

(2015). A serendipitous all sky survey for bright objects in the outer solar system.

(2014). Immersive and Collaborative Data Visualization Using Virtual Reality Platforms.

(2014). Discovery of ~ 9,000 new RR Lyrae in the Southern Catalina Surveys.

(2014). Automated Real-Time Classification and Decision Making in Massive Data Streams from Synoptic Sky Surveys.

(2014). Modeling Light Curves for Improved Classification.

(2014). Ultra-short Period Binaries from the Catalina Surveys.

(2014). DAMEWARE: A web cyberinfrastructure for astrophysical data mining.

(2014). The Catalina Surveys Periodic Variable Star Catalog.

(2014). Cataclysmic Variables from the Catalina Real-time Transient Survey.

(2014). Variability in Low Ionization Broad Absorption Line Outflows.

(2014). 10 Simple Rules for the Care and Feeding of Scientific Data.

(2014). Connection between optical and gamma-ray variability in blazars.

(2013). A novel variability-based method for quasar selection: evidence for a rest frame ~54 day characteristic timescale.

(2013). Feature Selection Strategies for Classifying High Dimensional Astronomical Data Sets.

(2013). Dust Reddened Quasars in FIRST and UKIDSS: Beyond the Tip of the Iceberg.

(2013). A plausible (overlooked) super-luminous supernova in the SDSS Stripe 82 data.

(2013). A comparison of period finding algorithms.

(2013). Using conditional entropy to identify periodicity.

(2013). Machine-assisted discovery of relationships in astronomy.

(2013). The MICA Experiment: Astrophysics in Virtual Worlds.

(2013). Evidence for a Milky Way Tidal Stream Reaching Beyond 100 kpc.

(2012). Classification by Boosting Differences in Input Vectors: An application to datasets from Astronomy.

(2012). Probing the Outer Galactic halo with RR Lyrae from the Catalina Surveys.

(2012). Flashes in a Star Stream: Automated Classification of Astronomical Transient Events.

(2012). Data challenges of time domain astronomy.

(2012). FIRST-2MASS Red Quasars: Transitional Objects Emerging from the Dust.

(2012). Connecting the time domain community with the Virtual Astronomical Observatory.

(2012). Sky Surveys.

(2012). Probing the time variability of five Fe low broad absorption line quasars.

(2012). Astronomy with Cutting-Edge ICT: From Transients in the Sky to Data over the Continents (India-US).

(2012). Dynamically evolving Mg II broad absorption line flow in SDSS J133356.02+001229.1.

(2011). The DAME/VO-Neural Infrastructure: an Integrated Data Mining System Support for the Science Community.

(2011). Real Time Classification of Transient Events in Synoptic Sky Surveys.

(2011). The Catalina Real-time Transient Survey.

(2011). The VAO Transient Facility.

(2011). Exploring the Time Domain With Synoptic Sky Surveys.

(2011). Discovery, classification, and scientific exploration of transient events from the Catalina Real-time Transient Survey.

(2011). Three QSOs acting as strong gravitational lenses.

(2011). Towards an Automated Classification of Transient Events in Synoptic Sky Surveys.

(2011). Modeling of the HERMES J105751.1+573027 submillimeter source lensed by a dark matter dominated foreground group of galaxies.

(2011). Discovery of a Multiply-Lensed Submillimeter Galaxy in Early HerMES Herschel/SPIRE Data.

(2011). The Discovery and Nature of Optical Transient CSS100217:102913+404220.

(2011). The Catalina Real-Time Transient Survey (CRTS).

(2010). DAME: A Web Oriented Infrastructure for Scientific Data Mining & Exploration.

(2010). Results from the Supernova Photometric Classification Challenge.

(2010). Discovery of eclipsing white dwarf systems in a search for Earth-size companions.

(2010). First case of strong gravitational lensing by a QSO : SDSS J0013+1523 at z = 0.120.

(2009). The Faint End of the Quasar Luminosity Function at z~4.

(2009). LSST Science Book, Version 2.0.

(2009). Discovery of the Extremely Energetic Supernova 2008fz.

(2009). Highly Variable Objects in the Palomar-QUEST Survey: A Blazar Search using Optical Variability.

(2009). Binary Quasars at High Redshift II: Sub-Mpc Clustering at z ~ 3-4.

(2009). Binary Quasars at High Redshift I: 24 New Quasar Pairs at z ~ 3-4.

(2009). Skyalert: Real-time Astronomy for You and Your Robots.

(2008). The Environments of High Redshift QSOs.

(2008). New Approaches to Object Classification in Synoptic Sky Surveys.

(2008). Towards Real-time Classification of Astronomical Transients.

(2008). First Results from the Catalina Real-time Transient Survey.

(2008). An Exploratory Search for z~6 Quasars in the UKIDSS Early Data Release.

(2008). Automated Probabilistic Classification of Transients and Variables.

(2008). The Palomar-Quest Digital Synoptic Sky Survey.

(2007). Discovery of Two Spectroscopically Peculiar, Low-Luminosity Quasars at z~4.

(2007). Discovery of a Probable Physical Triple Quasar.

(2006). Object detection in multi-epoch data.

(2006). Some Pattern Recognition Challenges in Data-Intensive Astronomy.

(2006). X-ray Galaxy Clusters in NoSOCS: Substructure and the Correlation of Optical and X-ray Properties.

(2005). Discovery of an Optically-Faint Quasar at z=5.70 and Implications for the Faint End of the Quasar Luminosity Function.

(2005). Quasars as Probes of Late Reionization and Early Structure Formation.

(2005). Evidence for Primordial Clustering Around the QSO SDSS J1030+0524 at z=6.28.

(2004). Time Domain Explorations With Digital Sky Surveys.

(2004). Grist: Grid-based Data Mining for Astronomy.

(2004). Exploring the Time Domain with the Palomar-QUEST Sky Survey.

(2004). The Northern Sky Optical Cluster Survey IV: An Intermediate Redshift Galaxy Cluster Catalog and the Comparison of Two Detection Algorithms.

(2004). Palomar-QUEST: A case study in designing sky surveys in the VO era.

(2003). Discovery of a Clustered Quasar Pair at z ~ 5: Biased Peaks in Early Structure Formation.

(2003). Peculiar Broad Absorption Line Quasars found in DPOSS.

(2003). A Molecular Einstein Ring: Imaging a Starburst Disk Surrounding a Quasi-Stellar Object.

(2003). A New Sample of Distant Compact Groups From DPOSS.

(2003). A Limit on the Number of Isolated Neutron Stars Detected in the ROSAT Bright Source Catalog.

(2003). Cosmological Uses of Gamma-Ray Bursts.

(2003). The Cosmic Gamma-Ray Bursts and Their Host Galaxies in a Cosmological Context.

(2003). The Northern Sky Optical Cluster Survey II: An Objective Cluster Catalog for 5800 Square Degrees.

(2002). Topic maps for custom viewing of data.

(2002). The Digitized Second Palomar Observatory Sky Survey (DPOSS) II: Photometric Calibration.

(2002). Challenges for Cluster Analysis in a Virtual Observatory.

(2002). GRB 010921: Discovery of the First HETE Afterglow.

(2001). The Unusually Long Duration Gamma-ray Burst GRB 000911.

(2001). Topic Maps as a Virtual Observatory tool.

(2001). On the Threshold of the Reionization Epoch.

(2001). Exploration of Parameter Spaces in a Virtual Observatory.

(2000). Exploration of Large Digital Sky Surveys.

(2000). Searches for Rare and New Types of Objects.

(2000). Exploring the Multi-Wavelength, Low Surface Brightness Universe.

(1999). Effective Radii and Color Gradients in Radio Galaxies.

(1995). A Dust Lane in the Radio galaxy 3C270.