Zobrazeno 1 - 10
of 2 641
pro vyhledávání: '"Doelman, A."'
Autor:
Mesa, D., Gratton, R., D'Orazi, V., Carolo, E., Vassallo, D., Farinato, J., Marafatto, L., Wagner, K., Hom, J., Ertel, S., Henning, Th., Desgrange, C., Barbato, D., Bergomi, M., Cerpelloni, P., Desidera, S., Di Filippo, S., Doelman, D., Machado, T. S. Gomes, Greggio, D., Grenz, P., Kenworthy, M., Laudisio, F., Lazzoni, C., Leisenring, J., Lorenzetto, A., Santhakumari, K. K. R., Ricci, D., Snik, F., Umbriaco, G., Pallauta, M. C. Vega, Viotto, V.
The combination of detection techniques enhances our ability to identify companions orbiting nearby stars. We employed high-contrast imaging to constrain mass and separation of possible companions responsible for the significant proper motion anomali
Externí odkaz:
http://arxiv.org/abs/2412.04171
Autor:
Lucas, Miles, Norris, Barnaby, Guyon, Olivier, Bottom, Michael, Deo, Vincent, Vievard, Sébastian, Lozi, Julien, Ahn, Kyohoon, Ashcraft, Jaren, Currie, Thayne, Doelman, David, Kudo, Tomoyuki, Leboulleux, Lucie, Lilley, Lucinda, Millar-Blanchaer, Maxwell, Safonov, Boris, Tuthill, Peter, Uyama, Taichi, Walk, Aidan, Zhang, Manxuan
We present significant upgrades to the VAMPIRES instrument, a visible-light (600 nm to 800 nm) high-contrast imaging polarimeter integrated within SCExAO on the Subaru telescope. Key enhancements include new qCMOS detectors, coronagraphs, polarizatio
Externí odkaz:
http://arxiv.org/abs/2410.12199
In this article, we study a system of reaction-diffusion equations in which the diffusivities are widely separated. We report on the discovery of families of spatially periodic canard solutions that emerge from {\em singular Turing bifurcations}. The
Externí odkaz:
http://arxiv.org/abs/2409.02400
Autor:
Carter, Paul, Doelman, Arjen, van Heijster, Peter, Levy, Daniel, Maini, Philip, Okey, Erin, Yeung, Paige
We consider a Gatenby--Gawlinski-type model of invasive tumors in the presence of an Allee effect. We describe the construction of bistable one-dimensional traveling fronts using singular perturbation techniques in different parameter regimes corresp
Externí odkaz:
http://arxiv.org/abs/2408.16172
Autor:
Laginja, Iva, Doelman, David, Snik, Frans, Baudoz, Pierre, Bettonvil, Felix, Rietjens, Jeroen H., van Dijk, Chris N., Peeters, Kristien, Eigenraam, Alexander, Pougheon, Erin, van der Wielen, Tom, Esposito, Marco, Wijnen, Thomas, Krasteva, Mariya, Taccola, Matteo
Publikováno v:
Proc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 1309280
This paper presents initial results from the ESA-funded ``SUPPPPRESS'' project, which aims to develop high-performance liquid-crystal coronagraphs for direct imaging of Earth-like exoplanets in reflected light. The project focuses on addressing the s
Externí odkaz:
http://arxiv.org/abs/2407.14723
Autor:
Absil, Olivier, Kenworthy, Matthew, Delacroix, Christian, de Xivry, Gilles Orban, König, Lorenzo, Pathak, Prashant, Doelman, David, Por, Emiel, Snik, Frans, Born, Joost van den, Cantalloube, Faustine, Carlotti, Alexis, Courtney-Barrer, Benjamin, Forsberg, Pontus, Karlsson, Mikael, Bertram, Thomas, van Boekel, Roy, Dolkens, Dennis, Feldt, Markus, Glauser, Adrian M., Pantin, Eric, Quanz, Sascha P., Bettonvil, Felix, Brandl, Bernhard
Publikováno v:
Proceedings of the SPIE, Volume 13096, id. 13096-192 (2024)
The Mid-infrared ELT Imager and Spectrograph (METIS) is one of the first-generation scientific instruments for the ELT, built under the supervision of ESO by a consortium of research institutes across and beyond Europe. Designed to cover the 3 to 13
Externí odkaz:
http://arxiv.org/abs/2407.10588
Autor:
Sutlieff, Ben J., Birkby, Jayne L., Stone, Jordan M., Derkink, Annelotte, Backs, Frank, Doelman, David S., Kenworthy, Matthew A., Bohn, Alexander J., Ertel, Steve, Snik, Frans, Woodward, Charles E., Ilyin, Ilya, Skemer, Andrew J., Leisenring, Jarron M., Strassmeier, Klaus G., Wang, Ji, Charbonneau, David, Biller, Beth A.
The time variability and spectra of directly imaged companions provide insight into their physical properties and atmospheric dynamics. We present follow-up R~40 spectrophotometric monitoring of red companion HD 1160 B at 2.8-4.2 $\mu$m using the dou
Externí odkaz:
http://arxiv.org/abs/2405.12271
Autor:
Wang, Chien-An, John, Valentin, Tidjani, Hanifa, Yu, Cécile X., Ivlev, Alexander S., Déprez, Corentin, van Riggelen-Doelman, Floor, Woods, Benjamin D., Hendrickx, Nico W., Lawrie, William I. L., Stehouwer, Lucas E. A., Oosterhout, Stefan D., Sammak, Amir, Friesen, Mark, Scappucci, Giordano, de Snoo, Sander L., Rimbach-Russ, Maximilian, Borsoi, Francesco, Veldhorst, Menno
Qubits that can be efficiently controlled are essential for the development of scalable quantum hardware. While resonant control is used to execute high-fidelity quantum gates, the scalability is challenged by the integration of high-frequency oscill
Externí odkaz:
http://arxiv.org/abs/2402.18382
Reaction-diffusion models describing interactions between vegetation and water reveal the emergence of several types of patterns and travelling wave solutions corresponding to structures observed in real-life. Increasing their accuracy by also consid
Externí odkaz:
http://arxiv.org/abs/2312.12277
Autor:
Lai, Olivier, Chun, Mark, Kuiper, Stefan, Doelman, Niek, Carbillet, Marcel, N'Diaye, Mamadou, Martinache, Frantz, Abe, Lyu, Rivet, Jean-Pierre, Schmidt, Dirk
Adaptive optics is a technique mostly used on large telescopes. It turns out to be challenging for smaller telescopes (0.5~2m) due to the small isoplanatic angle, small subapertures and high correction speeds needed at visible wavelengths, requiring
Externí odkaz:
http://arxiv.org/abs/2310.07495