Results 81 to 90 of about 11,157 (237)

Highly Efficient Selection of High-redshift Emission-line Galaxies for Future DESI-like Surveys with Deep Multiband Imaging

The Astronomical Journal
Emission-line galaxies (ELGs) are an important tracer of baryon acoustic oscillations (BAOs) and large-scale structure at z  > 1. In this work, we investigate the feasibility of using deep wide-area multiband imaging (e.g., from the Rubin Observatory) to
Yoquelbin Salcedo Hernandez, Jeffrey A. Newman, Brett H. Andrews, B. Dey, R. Zhou, N. Sailer, J. Aguilar, S. Ahlen, D. Bianchi, D. Brooks, R. Canning, F. J. Castander, E. Chaussidon, T. Claybaugh, A. Cuceu, A. de la Macorra, A. Dey, P. Doel, S. Ferraro, A. Font-Ribera, J. E. Forero-Romero, E. Gaztañaga, S. Gontcho A Gontcho, G. Gutierrez, H. K. Herrera-Alcantar, R. Joyce, S. Juneau, R. Kehoe, D. Kirkby, T. Kisner, A. Kremin, O. Lahav, C. Lamman, M. Landriau, M. E. Levi, M. Manera, A. Meisner, R. Miquel, J. Moustakas, S. Nadathur, N. Palanque-Delabrouille, W. J. Percival, F. Prada, I. Pérez-Ràfols, A. Raichoor, G. Rossi, E. Sanchez, D. Schlegel, M. Schubnell, H. Seo, J. Silber, D. Sprayberry, G. Tarlé, B. A. Weaver, C. Yèche, H. Zou   +55 more
doaj   +1 more source

Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions

Journal of Field Robotics, Volume 43, Issue 4, Page 2553-2584, June 2026.
ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos, Steven Kay, Julia Wajoras, Robert Field, Evridiki V. Ntagiou, Fakher Mohammad, Yang Gao   +6 more
wiley   +1 more source

Mid-infrared Ensemble Variability of Broad-line and Narrow-line Seyfert 1 Galaxies

The Astrophysical Journal
We utilized multiepoch archival data from the Wide-field Infrared Survey Explorer to compare the variability at 3.4 μ m (W1 band) and 4.6 μ m (W2 band) of broad-line Seyfert 1 (BLSy1) galaxies and narrow-line Seyfert 1 (NLSy1) galaxies by employing the ...
Zhipeng Hu, Lisheng Mao
doaj   +1 more source

Terrestrial Analogs to Titan for Geophysical Research

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon, Samuel Birch, Audrey Chatain, Charles Cockell, Kendra K. Farnsworth, Peter M. Higgins, Stéphane Le Mouélic, Rosaly M. C. Lopes, Michael J. Malaska, Mohit Melwani Daswani, Kelly E. Miller, Catherine D. Neish, Olaf G. Podlaha, Jani Radebaugh, Lauren R. Schurmeier, Ashley Schoenfeld, Krista M. Soderlund, Anezina Solomonidou, Christophe Sotin, Nicholas A. Teanby, Tetsuya Tokano, Steven D. Vance   +21 more
wiley   +1 more source

Galáxias post-starburst no universo local [PDF]

, 2014
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Física, Florianópolis, 2014Galáxias post-starburst (PSB) apresentam espectros com fortes linhas de absorção na série ...
Werle, Ariel
core  

Early Results from the Coma Legacy IFU Survey (CLIFS): Ram Pressure Induced Shocks and Ionization in Jellyfish Tails

The Astrophysical Journal
Jellyfish galaxies, which exhibit tails of gas opposite to their direction of motion, are a galaxy population showcasing the most extreme effects of ram pressure stripping (RPS).
Lauren M. Foster, Ian D. Roberts, Laura C. Parker, Timothy A. Davis, Alessandro Ignesti, Sean McGee, Nikki Zabel, Ming Sun, Reinout J. van Weeren   +8 more
doaj   +1 more source

On the Detection of Low‐Frequency Planetary Radio Emission With an Orbiting Interferometer

Radio Science, Volume 61, Issue 6, June 2026.
Abstract The magnetized planets of the outer Solar System produce kilometric radio emissions at very low frequencies (<1 ${< } 1\,$MHz). They reveal the planetary magnetic dynamics and their interaction with the solar wind. Those radio emissions can also serve as a proxy for interplanetary space weather monitoring.
E. Rouillé, B. Cecconi, B. Segret, J. N. Girard, A. Loh   +4 more
wiley   +1 more source

Ionized gas kinematics of galaxies in the CALIFA survey : I. Velocity fields, kinematic parameters of the dominant component, and presence of kinematically distinct gaseous systems [PDF]

, 2015
J.M.A. acknowledges support from the European Research Council Starting Grant (SEDmorph; P.I. V. Wild). Date of Acceptance: 01/08/2014Context. Ionized gas kinematics provide important clues to the dynamical structure of galaxies and hold constraints to ...
Wisotzki, L., Márquez, I., López-Sánchez, A., Monreal-Ibero, A., Papaderos, P., Gomes, J.M., Aguerri, J. Alfonso L, González Delgado, R. M., Aguerri, J., Gomes, J., Sánchez, S. F., Lyubenova, M., Walcher, J., Sánchez, S.F., Sanchez, Sébastien, García-Benito, R., Ziegler, B., López-Sánchez, A.R., Sánchez-Blázquez, Patricia, González Delgado, R., Aguerri, J.A.L., Barrera-Ballesteros, J., Mendez Abreu, Jairo, García-Lorenzo, B., Méndez-Abreu, J., Cortijo-Ferrero, C., Del Olmo, A., CALIFA team, Méndez-Abreu, Jairo, González Delgado, R.M., Bland-Hawthorn, J., Marino, R. A., López-Sánchez, A. R., Mast, D., Husemann, B., Barrera-Ballesteros, J.K., Bekeraite, S., Barrera-Ballesteros, J. K., Marino, R., Marino, R.A., Monreal-Ibero, Ana, Van De Ven, Glenn, Holmes, L., Iglesias-Páramo, J., Bomans, D., Spekkens, K., Van De Ven, G., Falcón-Barroso, J., Gomes, J. M., Sánchez-Blázquez, P., Masegosa, J.   +50 more
core   +1 more source

MOSDEF-3D: Keck/OSIRIS Maps of the Ionized Interstellar Medium in z ∼ 2 Galaxies

The Astrophysical Journal
We present spatially resolved rest-frame optical emission line maps of four galaxies at z  ∼ 2 observed with the Keck/OH-Suppressing Infra-Red Imaging Spectrograph to study the physical conditions of the interstellar medium (ISM) at cosmic noon.
Natalie Lam, Alice E. Shapley, Ryan L. Sanders, Tuan Do, Tucker Jones, Alison Coil, Mariska Kriek, Bahram Mobasher, Naveen A. Reddy, Brian Siana, Leonardo Clarke   +10 more
doaj   +1 more source

What Observations Would an Energetic Neutral Atom Imager Have Made During the Voyager 2 Flyby of Uranus?

Journal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract We present large‐scale simulations of energetic neutral atom (ENA) emissions at Uranus from a spacecraft viewpoint. Models of magnetic field, extended hydrogen exosphere, moon‐sourced neutral tori, and proton radiation belt are implemented into a simulator to evaluate the production of ENAs for L $L$ = 1–15.
D. Santos‐Costa, N. André
wiley   +1 more source