Emily Phillips Longley
A5006758325- Astronomy and Astrophysical Research
- Gamma-ray bursts and supernovae
- Galaxies: Formation, Evolution, Phenomena
- Stellar, planetary, and galactic studies
- Cosmology and Gravitation Theories
- Big Data Technologies and Applications
- Astro and Planetary Science
- Scientific Research and Discoveries
- Infrared Target Detection Methodologies
- Impact of Technology on Adolescents
- Advanced Data Storage Technologies
- Gaussian Processes and Bayesian Inference
- Astrophysical Phenomena and Observations
- Asian Culture and Media Studies
- Parallel Computing and Optimization Techniques
- Adaptive optics and wavefront sensing
- CCD and CMOS Imaging Sensors
- Child Development and Digital Technology
- Pulsars and Gravitational Waves Research
Duke University
2021-2023
Abstract We describe the simulated sky survey underlying second data challenge (DC2) carried out in preparation for analysis of Vera C. Rubin Observatory Legacy Survey Space and Time (LSST) by LSST Dark Energy Science Collaboration (LSST DESC). Significant connections across multiple science domains will be a hallmark LSST; DC2 program represents unique modeling effort that stresses this interconnectivity way has not been attempted before. This encompasses full end-to-end approach: starting...
ABSTRACT Cosmological parameter constraints from recent galaxy imaging surveys are reaching percent-level accuracy on the effective amplitude of lensing signal, S8. The upcoming Legacy Survey Space and Time (LSST) Vera C. Rubin Observatory will produce subpercent level measurements cosmological parameters, providing a milestone test ΛCDM model. To supply guidance to LSST analysis, it is important understand thoroughly results different assess their consistencies. In this work, we perform...
In preparation for cosmological analyses of the Vera C. Rubin Observatory Legacy Survey Space and Time (LSST), LSST Dark Energy Science Collaboration (LSST DESC) has created a 300 deg$^2$ simulated survey as part an effort called Data Challenge 2 (DC2). The DC2 sky survey, in six optical bands with observations following reference observing cadence, was processed Pipelines (19.0.0). this Note, we describe public data release resulting object catalogs coadded images five years along...
Cosmological parameter constraints from recent galaxy imaging surveys are reaching $2-3\%$-level accuracy. The upcoming Legacy Survey of Space and Time (LSST) the Vera C. Rubin Observatory will produce sub-percent level measurements cosmological parameters, providing a milestone test $Λ$CDM model. To supply guidance to LSST analysis, it is important understand thoroughly results different assess their consistencies. In this work we perform unified catalog-level reanalysis three cosmic shear...
Electro-optical testing and characterization of the Vera C. Rubin Observatory Legacy Survey Space Time Camera has shown that focal plane charge-coupled devices developed by Imaging Technology Laboratory exhibit serial deferred charge signal in excess expected proportional loss from global transfer inefficiency. We model additional as resulting localized trapping register a signal-dependent electronic offset effect. A physically motivated forward simulation algorithm reverse correction were...