Model Predictive Loitering and Trajectory Tracking of Suspended Payloads in Cable-Driven Balloons Using UGVs

Posted by Caltech

Kavli Affiliate: Morteza Gharib | First 5 Authors: Julius Wanner, Eric Sihite, Alireza Ramezani, Morteza Gharib, | Summary: The feasibility of performing airborne and ground manipulation, perception, and reconnaissance using wheeled rovers, unmanned aerial vehicles, CubeSats, SmallSats and more have been evaluated before. Among all of these solutions, balloon-based systems possess merits that make them […]


Continue.. Model Predictive Loitering and Trajectory Tracking of Suspended Payloads in Cable-Driven Balloons Using UGVs

Revealing the nature of a Lyman-$α$ halo in a strongly-lensed interacting system at $z=2.92$

Posted by Chicago

Kavli Affiliate: Michael Gladders | First 5 Authors: Manuel Solimano, Jorge González-López, Manuel Aravena, Evelyn Johnston, Cristóbal Moya-Sierralta | Summary: Spatially extended halos of Lyman Alpha (Ly$alpha$) emission are now ubiquitously found around high-redshift star-forming galaxies. But our understanding of the nature and powering mechanisms of these halos is still hampered by the complex radiative […]


Continue.. Revealing the nature of a Lyman-$α$ halo in a strongly-lensed interacting system at $z=2.92$

Revealing the Nature of a Lyman-$α$ Halo in a Strongly Lensed Interacting System at $z=2.92$

Posted by Chicago

Kavli Affiliate: Michael Gladders | First 5 Authors: Manuel Solimano, Jorge González-López, Manuel Aravena, Evelyn Johnston, Cristóbal Moya-Sierralta | Summary: Spatially extended halos of H I Ly$alpha$ emission are now ubiquitously found around high-redshift star-forming galaxies. But our understanding of the nature and powering mechanisms of these halos is still hampered by the complex radiative […]


Continue.. Revealing the Nature of a Lyman-$α$ Halo in a Strongly Lensed Interacting System at $z=2.92$

Revealing the Nature of a Lyman-$α$ Halo in a Strongly Lensed Interacting System at $z=2.92$

Posted by Chicago

Kavli Affiliate: Michael Gladders | First 5 Authors: Manuel Solimano, Jorge González-López, Manuel Aravena, Evelyn Johnston, Cristóbal Moya-Sierralta | Summary: Spatially extended halos of H I Ly$alpha$ emission are now ubiquitously found around high-redshift star-forming galaxies. But our understanding of the nature and powering mechanisms of these halos is still hampered by the complex radiative […]


Continue.. Revealing the Nature of a Lyman-$α$ Halo in a Strongly Lensed Interacting System at $z=2.92$

The Simulated Catalogue of Optical Transients and Correlated Hosts (SCOTCH)

Posted by Chicago

Kavli Affiliate: Richard Kessler | First 5 Authors: Martine Lokken, Alexander Gagliano, Gautham Narayan, Renée Hložek, Richard Kessler | Summary: As we observe a rapidly growing number of astrophysical transients, we learn more about the diverse host galaxy environments in which they occur. Host galaxy information can be used to purify samples of cosmological Type […]


Continue.. The Simulated Catalogue of Optical Transients and Correlated Hosts (SCOTCH)

Observational Inference on the Delay Time Distribution of Short Gamma-ray Bursts

Posted by Chicago

Kavli Affiliate: Daniel E. Holz | First 5 Authors: Michael Zevin, Anya E. Nugent, Susmita Adhikari, Wen-fai Fong, Daniel E. Holz | Summary: The delay time distribution of neutron star mergers provides critical insights into binary evolution processes and the merger rate evolution of compact object binaries. However, current observational constraints on this delay time […]


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Large-Scale Crosstalk-Corrected Thermo-Optic Phase Shifter Arrays in Silicon Photonics

Posted by Caltech

Kavli Affiliate: Ali Hajimiri | First 5 Authors: Volkan Gurses, Reza Fatemi, Aroutin Khachaturian, Ali Hajimiri, | Summary: We introduce a thermo-optic phase shifter (TOPS) array architecture with independent phase control of each phase shifter for large-scale and high-density photonic integrated circuits with two different control schemes: pulse amplitude modulation (PAM) and pulse width modulation […]


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Public Release of A-SLOTH: Ancient Stars and Local Observables by Tracing Halos

Posted by Chicago

Kavli Affiliate: Alexander P. Ji | First 5 Authors: Tilman Hartwig, Mattis Magg, Li-Hsin Chen, Yuta Tarumi, Volker Bromm | Summary: The semi-analytical model A-SLOTH (Ancient Stars and Local Observables by Tracing Halos) is the first public code that connects the formation of the first stars and galaxies to observables. After several successful projects with […]


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High-Precision Redshifts for Type Ia Supernovae with the Nancy Grace Roman Space Telescope P127 Prism

Posted by Chicago

Kavli Affiliate: Richard Kessler | First 5 Authors: Bhavin A. Joshi, Louis-Gregory Strolger, Russell E. Ryan, Jr., Alexei V. Filippenko, Rebekah Hounsell | Summary: We present results from simulating slitless spectroscopic observations with the Nancy Grace Roman Space Telescope’s (Roman) Wide-Field Instrument (WFI) P127 prism spanning 0.75 $mu m$ to 1.8 $mu m$. We quantify […]


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Deep Learning Workload Scheduling in GPU Datacenters: Taxonomy, Challenges and Vision

Posted by Caltech

Kavli Affiliate: Wei Gao | First 5 Authors: Wei Gao, Qinghao Hu, Zhisheng Ye, Peng Sun, Xiaolin Wang | Summary: Deep learning (DL) shows its prosperity in a wide variety of fields. The development of a DL model is a time-consuming and resource-intensive procedure. Hence, dedicated GPU accelerators have been collectively constructed into a GPU […]


Continue.. Deep Learning Workload Scheduling in GPU Datacenters: Taxonomy, Challenges and Vision