activity
20182026
most citedExtending Supernova Spectral Templates for Next-Generation Space Telescope Observations

56 citations · 85 across the 15 of their papers we have counts for

collaborators

18 papers

astro-ph.HE2026

Extreme Stellar Death and Galaxy Feedback at z = 2: A Rest-frame Ultraviolet Characterization of the Strongly Lensed Superluminous Supernova 2025wny

Willem B. Hoogendam, David O. Jones, Christopher J. Storfer +26

We present photometric and spectroscopic follow-up observations of the strongly-lensed H-poor superluminous supernova (SLSN) 2025wny at . We use integral-field Keck-II/…

astro-ph.GA2026

SN Helios: A Multiply Imaged Type II Supernova Opening Time-Delay Cosmography beyond redshift of 3

Seiji Fujimoto, Conor Larison, Justin D. R. Pierel +64

We report the discovery and spectroscopic confirmation of SN Helios, a strongly lensed, multiply imaged Type II supernova (SN) at behind the galaxy cluster RXC J0018.5+162…

astro-ph.IM2026

The Rubin Observatory Target-of-Opportunity System in the First Year of Operations

Sean Patrick MacBride, R. Lynne Jones, Peter Yoachim +41

The NSF/DOE Vera C. Rubin Observatory is a discovery machine, with unprecedented survey speed, which can be used to identify exotic astrophysical transients. In its prime mission,…

astro-ph.CO2026

Probing Physics Beyond the Standard Model through Combined Analyses of Next-Generation Type Ia Supernova, CMB, and BAO Surveys

Srinivasan Raghunathan, Ayan Mitra, Nikolina Šarčević +11

Observations of Type Ia supernovae (\sne), which probe the late Universe, together with baryon acoustic oscillations (BAO) and the cosmic microwave background (CMB), which probe th…

astro-ph.IM2026

SELDON: Supernova Explosions Learned by Deep ODE Networks

Jiezhong Wu, Jack O'Brien, Jennifer Li +6

The discovery rate of optical transients will explode to 10 million public alerts per night once the Vera C. Rubin Observatory's Legacy Survey of Space and Time comes online, overw…

astro-ph.HE2026

AT 2024ahzi: A Type IIP Supernova Discovered by the LSST Commissioning Camera

Kaylee de Soto, V. Ashley Villar, Jared A. Goldberg +25

As part of its commissioning, the Vera C. Rubin Observatory observed several fields repeatedly for a month with ComCam, an instrument that uses the same hardware as the LSST camera…

astro-ph.HE2026

Searching for Neutron Star Mergers in the Absence of Gravitational Waves with Optical Afterglow Emission

Haille M. L. Perkins, Gautham Narayan, Brian D. Fields +2

With the forth observing run of the LIGO-Virgo-KAGRA gravitational-wave network, which enabled the discovery of the kilonova (KN) counterpart to GW170817, ending with no new confir…

astro-ph.IM2026

Opportunities in AI/ML for the Rubin LSST Dark Energy Science Collaboration

LSST Dark Energy Science Collaboration, Eric Aubourg, Camille Avestruz +63

The Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) will produce unprecedented volumes of heterogeneous astronomical data (images, catalogs, and alerts) that cha…

astro-ph.CO2025

A Fully Photometric Approach to Type Ia Supernova Cosmology in the LSST Era: Host Galaxy Redshifts and Supernova Classification

Ayan Mitra, Richard Kessler, Rebecca C. Chen +9

The upcoming Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) is expected to discover nearly a million Type Ia supernovae (SNeIa), offering an unprecedented oppor…

astro-ph.CO2025★ 2 cited

Testing Lens Models of PLCK G165.7+67.0 Using Lensed SN H0pe

Aadya Agrawal, J. D. R. Pierel, Gautham Narayan +9

Supernova H0pe is a multiply-imaged Type Ia supernova (SN~Ia) and the second lensed SN to yield a measurement of the Hubble constant by the time-delay cosmography method, finding $…

gr-qc2025★ 1 cited

Neural Post-Einsteinian Test of General Relativity with the Third Gravitational-Wave Transient Catalog

Yiqi Xie, Gautham Narayan, Nicolás Yunes

Gravitational waves (GWs) from compact binaries are excellent probes of gravity in the strong- and dynamical-field regimes. We report a test of general relativity (GR) with the thi…

astro-ph.CO2025★ 2 cited

Characterising the Standardisation Properties of Type Ia Supernovae in the z band with Hierarchical Bayesian Modelling

Erin E. Hayes, Suhail Dhawan, Kaisey S. Mandel +21

Type Ia supernovae (SNe Ia) are standardisable candles: their peak magnitudes can be corrected for correlations between light curve properties and their luminosities to precisely e…

astro-ph.IM2025★ 7 cited

ORACLE: A Real-Time, Hierarchical, Deep-Learning Photometric Classifier for the LSST

Ved G. Shah, Alex Gagliano, Konstantin Malanchev +3

We present ORACLE, the first hierarchical deep-learning model for real-time, context-aware classification of transient and variable astrophysical phenomena. ORACLE is a recurrent n…

astro-ph.HE2024

The Fastest Path to Discovering the Second Electromagnetic Counterpart to a Gravitational Wave Event

Ved G. Shah, Ryan J. Foley, Gautham Narayan

The discovery of a second electromagnetic counterpart to a gravitational wave event represents a critical goal in the field of multi-messenger astronomy. In order to determine the…

astro-ph.IM2024★ 6 cited

Rubin ToO 2024: Envisioning the Vera C. Rubin Observatory LSST Target of Opportunity program

Igor Andreoni, Raffaella Margutti, John Banovetz +86

The Legacy Survey of Space and Time (LSST) at Vera C. Rubin Observatory is planned to begin in the Fall of 2025. The LSST survey cadence has been designed via a community-driven pr…

gr-qc2024★ 11 cited

Neural post-Einsteinian framework for efficient theory-agnostic tests of general relativity with gravitational waves

Yiqi Xie, Deep Chatterjee, Gautham Narayan +1

The parametrized post-Einsteinian (ppE) framework and its variants are widely used to probe gravity through gravitational-wave tests that apply to a large class of theories beyond…

astro-ph.HE2023

Predictions for Electromagnetic Counterparts to Neutron Star Mergers Discovered during LIGO-Virgo-KAGRA Observing Runs 4 and 5

Ved G. Shah, Gautham Narayan, Haille M. L. Perkins +4

We present a comprehensive, configurable open-source framework for estimating the rate of electromagnetic detection of kilonovae (KNe) associated with gravitational wave detections…

astro-ph.IM2018★ 56 cited

Extending Supernova Spectral Templates for Next-Generation Space Telescope Observations

J. D. R. Pierel, S. Rodney, A. Avelino +13

Empirical models of supernova (SN) spectral energy distributions (SEDs) are widely used for SN survey simulations and photometric classifications. The existing library of SED model…