activity
20082026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations · 9.3k across the 20 of their papers we have counts for

collaborators

20 papers

astro-ph.CO2026

Chromatic Effects Across the Roman Focal Plane: Implications for Supernova Photometry and Measurements of Cosmological Parameters

Rujuta Purohit, Dillon Brout, Daniel Scolnic +14

Calibration uncertainties are the leading systematics in cosmological analyses using Type Ia supernovae (SNe Ia). For the \textit{Nancy Grace Roman Space Telescope (Roman)}, we qua…

astro-ph.IM2026

Flux Cube Reconstruction from Slitless Spectroscopy

M. Griggio, R. E. Ryan, N. Pirzkal +19

Slitless spectroscopy enables efficient, large-area surveys without target pre-selection, yet it faces challenges from source blending, higher noise, and lost spatial-spectral info…

astro-ph.CO2026

SLSim: a strong lensing population simulation package

Narayan Khadka, Simon Birrer, Henry Best +45

Gravitational lensing offers unique insights into cosmology by bending light around massive objects. Strong gravitational lensing, in particular, produces magnified and often multi…

astro-ph.CO2025

Characterizing the Roman Grism Redshift Efficiency of Type Ia Supernova Host Galaxies for the High-Latitude Time-Domain Survey

R. C. Chen, Z. Guo, D. Scolnic +8

The High-Latitude Time-Domain Survey (HLTDS) for the Nancy Grace Roman Space Telescope (Roman) will discover thousands of high redshift Type Ia supernovae (SNeIa) to make generatio…

astro-ph.CO2025

Fishing for the Optimal Roman High Latitude Time Domain Survey: Cosmological Constraints for 1,000 Possible Surveys

David Rubin, Greg Aldering, Andy Fruchter +9

The upcoming Nancy Grace Roman Space Telescope is set to conduct a generation-defining SN Ia cosmology measurement with its High Latitude Time Domain Survey (HLTDS). However, betwe…

astro-ph.IM2025

The Hourglass Simulation: A Catalog for the Roman High-Latitude Time-Domain Core Community Survey

B. M. Rose, M. Vincenzi, R. Hounsell +12

We present a simulation of the time-domain catalog for the Nancy Grace Roman Space Telescope's High-Latitude Time-Domain Core Community Survey. This simulation, called the Hourglas…

astro-ph.CO2025

Cosmology Constraints from Type Ia Supernova Simulations of the Nancy Grace Roman Space Telescope Strategy Recommended by the High Latitude Time Domain Survey Definition Committee

Richard Kessler, Rebekah Hounsell, Bhavin Joshi +5

Within the next few years, the upcoming Nancy Grace Roman Space Telescope will be gathering data for the High Latitude Time Domain Survey (HLTDS) that will be used to significantly…

astro-ph.HE2024

Finding the Fuse: Prospects for the Detection and Characterization of Hydrogen-Rich Core-Collapse Supernova Precursor Emission with the LSST

A. Gagliano, E. Berger, V. A. Villar +5

Enhanced emission in the months to years preceding explosion has been detected for several core-collapse supernovae (SNe). Though the physical mechanisms driving the emission remai…

astro-ph.HE2020★ 31 cited

Studying Type II supernovae as cosmological standard candles using the Dark Energy Survey

T. de Jaeger, L. Galbany, S. González-Gaitán +85

Despite vast improvements in the measurement of the cosmological parameters, the nature of dark energy and an accurate value of the Hubble constant (H) in the Hubble-Lemaître l…

astro-ph.HE2019★ 7 cited

The Mystery of Photometric Twins DES17X1boj and DES16E2bjy

M. Pursiainen, C. Gutierrez, P. Wiseman +80

We present an analysis of DES17X1boj and DES16E2bjy, two peculiar transients discovered by the Dark Energy Survey (DES). They exhibit nearly identical double-peaked light curves wh…

astro-ph.HE2018★ 162 cited

Rapidly evolving transients in the Dark Energy Survey

M. Pursiainen, M. Childress, M. Smith +79

We present the results of a search for rapidly evolving transients in the Dark Energy Survey Supernova Programme. These events are characterized by fast light curve evolution (rise…

astro-ph.IM2018★ 231 cited

The Dark Energy Survey Image Processing Pipeline

E. Morganson, R. A. Gruendl, F. Menanteau +40

The Dark Energy Survey (DES) is a five-year optical imaging campaign with the goal of understanding the origin of cosmic acceleration. DES performs a 5000 square degree survey of t…

astro-ph.HE2017★ 41 cited

Studying the Ultraviolet Spectrum of the First Spectroscopically Confirmed Supernova at redshift two

M. Smith, M. Sullivan, R. C. Nichol +87

We present observations of DES16C2nm, the first spectroscopically confirmed hydrogen-free superluminous supernova (SLSN-I) at redshift z~2. DES16C2nm was discovered by the Dark Ene…

astro-ph.CO2017★ 2.7k cited

The Complete Light-curve Sample of Spectroscopically Confirmed Type Ia Supernovae from Pan-STARRS1 and Cosmological Constraints from The Combined Pantheon Sample

D. M. Scolnic, D. O. Jones, A. Rest +37

We present optical light curves, redshifts, and classifications for 365 spectroscopically confirmed Type Ia supernovae (SNe Ia) discovered by the Pan-STARRS1 (PS1) Medium Deep Surv…

astro-ph.IM2015★ 169 cited

The Difference Imaging Pipeline for the Transient Search in the Dark Energy Survey

R. Kessler, J. Marriner, M. Childress +60

We describe the difference imaging pipeline (DiffImg) used to detect transients in deep images from the Dark Energy Survey Supernova program (DES-SN) in its first observing season…

astro-ph.GA2015★ 107 cited

OzDES multi-fibre spectroscopy for the Dark Energy Survey: first-year operation and results

Fang Yuan, C. Lidman, T. M. Davis +99

OzDES is a five-year, 100-night, spectroscopic survey on the Anglo-Australian Telescope, whose primary aim is to measure redshifts of approximately 2,500 Type Ia supernovae host ga…

astro-ph.HE2014★ 184 cited

Early-time light curves of Type Ib/c supernovae from the SDSS-II Supernova Survey

F. Taddia, J. Sollerman, G. Leloudas +6

We analyse the early-time optical light curves (LCs) of 20 Type Ib/c supernovae (SNe Ib/c) from the Sloan Digital Sky Survey (SDSS) SN survey II, aiming to study their properties a…

astro-ph.CO2014★ 76 cited

Cosmological Parameter Uncertainties from SALT-II Type Ia Supernova Light Curve Models

J. Mosher, J. Guy, R. Kessler +11

We use simulated SN Ia samples, including both photometry and spectra, to perform the first direct validation of cosmology analysis using the SALT-II light curve model. This valida…

astro-ph.CO2011★ 181 cited

Supernova Simulations and Strategies For the Dark Energy Survey

J. P. Bernstein, R. Kessler, S. Kuhlmann +19

We present an analysis of supernova light curves simulated for the upcoming Dark Energy Survey (DES) supernova search. The simulations employ a code suite that generates and fits r…

astro-ph2008★ 5.4k cited

The Seventh Data Release of the Sloan Digital Sky Survey

K. Abazajian

This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…