Results 61 to 70 of about 1,046,866 (182)

The Be star o Cas is indeed the primary of a triple system

Astronomy & Astrophysics
Analysis of radial velocities of two narrow absorption components in the Mg II 4481 Å line demonstrated that the secondary of the Be star o Cas is indeed a close binary system composed of two B7 stars orbiting each other with a period of 11.″6604 11
Harmanec P., Yang S., Šlechta M., Grundstrom E. D., Ribeiro J., Harmanec A.   +5 more
doaj   +1 more source

Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level

Reviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Understanding the coastal zone of the Antarctic Ice Sheet (AIS), where it interacts with the Southern Ocean and warmer air masses, is crucial for predicting Antarctica's influence on the global climate and sea level. This region has multiple tipping mechanisms that could trigger large, rapid, and potentially irreversible changes in the AIS ...
Kenichi Matsuoka, Geir Moholdt, Jennifer F. Arthur, Julien A. Bodart, Xiangbin Cui, Fausto Ferraccioli, René Forsberg, Vikram Goel, Tom A. Jordan, Felicity S. McCormack, Ruth Mottram, Hamish D. Pritchard, Calvin Shackleton, Kirsty J. Tinto, Fredrik Boberg, Marie G. P. Cavitte, Reinhard Drews, Pierre Dutrieux, Jörg Ebbing, Olaf Eisen, Hannes Eisermann, Alex S. Gardner, Chad A. Greene, Nicholas Holschuh, Stewart S. R. Jamieson, Byeong‐Hoon Kim, Naomi Krauzig, Bernd Kulessa, Carlton Leuschen, Jilu Li, Lu Li, Jonas Liebsch, Joseph A. MacGregor, Emma MacKie, Anirudha Mahagaonkar, Joséphine Maton, Mathieu Morlighem, Francisco Navarro, Peter D. Neff, Inès N. Otosaka, Frank Pattyn, Antonia Ruppel, Rebecca J. Sanderson, Hélène Seroussi, Andrew Shepherd, Matthew R. Siegfried, Thomas Slater, Arjen P. Stroeven, Michael Studinger, Thomas Teisberg, Ryan A. Venturelli, Jeremy P. Winberry, Chen Zhao, Lu An, Jonathan L. Bamber, Robin E. Bell, Robert G. Bingham, Johanna Brehmer‐Moltmann, Graeme Eagles, Jamin Greenbaum, Jorn Gronset, Won Sang Lee, Emmanuel Le Meur, Lenneke M. Jong, Katrin Lindbäck, Sven Lidström, Mareen Lösing, Masahiro Minowa, Mayuri Pandey, Yogesh Ray, Mirko Scheinert, Dustin M. Schroeder, Thorsten Seehaus, Kaian Shahateet, Daniel Steinhage, Xueyuan Tang, Drew Taylor, Hannah Verboncoeur, Junjun Yang, Duncan A. Young   +79 more
wiley   +1 more source

Equilibria and oscillations of magnetised neutron stars

, 2010
We investigate equilibrium configurations and oscillation spectra of neutron stars,modelled as rotating magnetised fluid bodies in Newtonian gravity. We also explorethe idea that these model neutron stars could have dynamics analogous to rigid-bodyfree ...
Lander, Samuel Kenneth
core   +1 more source

Surface Change Detection on Venus: An Inter‐Mission Comparison Framework Between Magellan and Future Radar Images

Journal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract Detecting surface changes on Venus by comparing Magellan synthetic aperture radar (SAR) data with future high‐resolution data from Envision and VERITAS will be essential for constraining present‐day volcanism and characterizing planetary surface processes.
Yao Gao, Gerard Gallardo i Peres, Shubham Awasthi, Nikol Davidova, Richard Ghail, Philippa J. Mason   +5 more
wiley   +1 more source

Detection and Astrometry of the Ba–Bb Subsystem in α Piscium: First Dual-field Interferometry at the CHARA Array

The Astronomical Journal
We present the first on-sky demonstration of dual-field interferometry at the Center for High Angular Resolution Astronomy (CHARA) Array and the first direct resolution of the inner Ba–Bb subsystem in the bright hierarchical triple α Piscium.
Narsireddy Anugu, Robert Klement, John D. Monnier, Douglas R. Gies, Gail H. Schaefer, Stefan Kraus, Sebastián Carrazco-Gaxiola, Akshat S. Chaturvedi, Mayra Gutierrez, Becky Flores, Jeremy Jones, Colin Kane, Rainer Köhler, Karolina Kubiak, Olli W. Majoinen, Nicholas J. Scott, Kayvon Sharifi   +16 more
doaj   +1 more source

Electrically Coded Retinomorphic Spectrophotodetector

Advanced Materials, Volume 38, Issue 48, 26 August 2026.
Self‐powered retinomorphic pyro‐photodetector is demonstrated that avoids machine‐learning post‐processing and covers 365–940 nm. Electrostatic balancing of built‐in potential produces an electrical wavelength code, delivering <3 nm wavelength decoding accuracy with ∼46 µs response.
Mohit Kumar, Hyunmin Dang, Hyungtak Seo
wiley   +1 more source

Pre-nova Observations of T CrB: A View from the CHARA Array

The Astrophysical Journal Letters
T Coronae Borealis (T CrB, HD 143454) is a symbiotic recurrent nova consisting of a red giant and white dwarf with recent eruptions in 1866 and 1946 and an anticipated eruption in the mid-2020s.
Ryan Norris, Narsireddy Anugu, Thomas Gaudin, Magdalena Otulakowska-Hypka, Fabian Kaczmarek, Cameron Caruso, Cody Gustafson, Andrew Kotowski, Rebecca Proni, Nirupam Roy, Fabien Baron, Dipankar P.K Banerjee, Dana K. Baylis-Aguirre, Michelle J. Creech-Eakman, Justin Linford, Alexandre Gallenne, Joanna Mikołajewska, John D. Monnier, Denis Mourard, Ulisse Munari, Nicolas Nardetto, Rachael M. Roettenbacher, Jennifer L Sokoloski, Montana Williams, C. E. Woodward, Stefan Kraus, Jean-Baptiste Le Bouquin, Sorabh Chhabra, Isabelle Codron, Jacob Ennis, Tyler Gardner, Mayra Gutierrez, Noura Ibrahim, Cyprien Lanthermann, Benjamin R. Setterholm, Christopher D. Farrington, Olli Majoinen, Norm Vargas, Douglas R. Gies, Gail H. Schaefer, Theo ten Brummelaar   +40 more
doaj   +1 more source

Scan‐Path‐ and Initial‐State‐Dependent Superdomain Switching in (111)‐Oriented PZT

Advanced Electronic Materials, Volume 12, Issue 16, 24 August 2026.
Scan trajectory and initial superdomain topology govern polarization switching in (111)‐oriented PZT. Automated AFM writing, pulsing experiments, and interferometric 3D‐PFM show that raster scans reproducibly stabilize ordered Type‐I stripe superdomains with constrained variant selection, whereas spiral trajectories generate frustrated mixed‐variant ...
Rama Vasudevan, Laveeza Ahmad, Bharat Pant, Ralph Bulanadi, Asraful Haque, Puneet Kaur, Sabine Neumayer, Jan‐Chi Yang, Yongtao Liu, Ye Cao, Stephen Jesse, Marti Checa   +11 more
wiley   +1 more source

An interferometric mid-infrared study of the eruptive star binary Z CMa with MATISSE/VLTI

Astronomy & Astrophysics
Aims . The current work is part of a series aimed at producing the first ever mid-infrared images of protoplanetary disks in the binary system of eruptive stars Z CMa and studying their individual properties. Methods . We obtained high-angular-resolution interferometric observations with MATISSE/VLTI in the L (2.9–4.1 μm), M (4.5–4.9 μm), and N (8–13 ...
Lykou, F., Varga, J., Cruz-Saénz de Miera, F., Ábrahám, P., Kóspál, Á., Lopez, B., Henning, T., Wolf, S., Weigelt, G., Millour, F., Hogerheijde, M., Chen, L., Ratzka, T., Danchi, W., Boley, P., Augereau, J.-C., Priolet, P.   +16 more
openaire   +7 more sources

A Search for Be Stars in Multiple Systems within the Solar Neighborhood

The Astrophysical Journal
Be stars are widely considered to be the product of binary interaction. However, whether all Be stars are formed via binary interaction is unclear, and detailed estimates of the multiplicity of Be stars and characterization of their components are ...
V. M. Kalari, R. Salinas, C. Sáez-Carvajal, R. D. Oudmaijer, S. Howell, S. Caballero-Nieves, K. Kamp, R. Matson, N. Scott, T. Cao, Z. Hartman, H. Kim   +11 more
doaj   +1 more source