output
20182026
most citedDark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

1.2k citations

Showing 2023 · astro-ph.IMShow all

6 papers · 2 filters

astro-ph.IM2023★ 2 cited

The miniJPAS survey quasar selection IV: Classification and redshift estimation with SQUEzE

Ignasi Pérez-Ràfols, L. Raul Abramo, Ginés Martínez-Solaeche +24

We present a list of quasar candidates including photometric redshift estimates from the miniJPAS Data Release constructed using SQUEzE. This work is based on machine-learning clas…

astro-ph.IM2023★ 13 cited

AutoSourceID-Classifier. Star-Galaxy Classification using a Convolutional Neural Network with Spatial Information

F. Stoppa, S. Bhattacharyya, R. Ruiz de Austri +10

Aims. Traditional star-galaxy classification techniques often rely on feature estimation from catalogues, a process susceptible to introducing inaccuracies, thereby potentially jeo…

astro-ph.IM2023★ 10 cited

Receiver design for the REACH global 21-cm signal experiment

Ian L. V. Roque, Nima Razavi-Ghods, Steven H. Carey +35

We detail the the REACH radiometric system designed to enable measurements of the 21-cm neutral hydrogen line. Included is the radiometer architecture and end-to-end system simulat…

astro-ph.IM2023★ 5 cited

AutoSourceID-FeatureExtractor. Optical image analysis using a two-step mean variance estimation network for feature estimation and uncertainty characterisation

F. Stoppa, R. Ruiz de Austri, P. Vreeswijk +9

Aims. In astronomy, machine learning has been successful in various tasks such as source localisation, classification, anomaly detection, and segmentation. However, feature regress…

astro-ph.IM2023★ 5 cited

The Simons Observatory: Beam characterization for the Small Aperture Telescopes

Nadia Dachlythra, Adriaan J. Duivenvoorden, Jon E. Gudmundsson +27

We use time-domain simulations of Jupiter observations to test and develop a beam reconstruction pipeline for the Simons Observatory Small Aperture Telescopes. The method relies on…

astro-ph.IM2023

The ESO's Extremely Large Telescope Working Groups

Paolo Padovani, Michele Cirasuolo, Remco van der Burg +82

Since 2005 ESO has been working with its community and industry to develop an extremely large optical/infrared telescope. ESO's Extremely Large Telescope, or ELT for short, is a re…