Zobrazeno 1 - 10
of 80 462
pro vyhledávání: '"Powell, P"'
Autor:
Kostov, Veselin B., Rappaport, Saul A., Borkovits, Tamas, Powell, Brian P., Gagliano, Robert, Omohundro, Mark, Biro, Imre B., Moe, Max, Howell, Steve B., Mitnyan, Tibor, Clark, Catherine A., Kristiansen, Martti H., Terentev, Ivan A., Schwengeler, Hans M., Pal, Andras, Vanderburg, Andrew
Publikováno v:
2024, Astrophysical Journal, 974, 25
We have discovered a triply eclipsing triple-star system, TIC 290061484, with the shortest known outer period, Pout, of only 24.5 days. This "eclipses" the previous record set by lambda Tauri at 33.02 days, which held for 68 yr. The inner binary, wit
Externí odkaz:
http://arxiv.org/abs/2410.01711
Autor:
Le, Dinh Hai, Kronowetter, Felix, Chiang, Yan Kei, Maeder, Marcus, Marburg, Steffen, Powell, David A.
The challenge in reconfigurable manipulation of sound waves using metasurfaces lies in achieving precise control over acoustic behavior while developing efficient and practical tuning methods for structural configurations. However, most studies on re
Externí odkaz:
http://arxiv.org/abs/2409.17522
Autor:
Bierschenk, M., Ricci, C., Temple, M. J., Satyapal, S., Cann, J., Xie, Y., Diaz, Y., Ichikawa, K., Koss, M. J., Bauer, F. E., Rojas, A., Kakkad, D., Tortosa, A., Ricci, F., Mushotzky, R., Kawamuro, T., Gupta, K. K., Trakhtenbrot, B., Chang, C. S., Riffel, R., Oh, K., Harrison, F., Powell, M., Stern, D., Urry, C. M.
We analyze the Spitzer spectra of 140 active galactic nuclei (AGN) detected in the hard X-rays (14-195 keV) by the Burst Alert Telescope (BAT) on board Swift. This sample allows us to probe several orders of magnitude in black hole masses ($10^6-10^9
Externí odkaz:
http://arxiv.org/abs/2409.17334
Autor:
Chen, Qingyu, Keenan, Tiarnan D L, Agron, Elvira, Allot, Alexis, Guan, Emily, Duong, Bryant, Elsawy, Amr, Hou, Benjamin, Xue, Cancan, Bhandari, Sanjeeb, Broadhead, Geoffrey, Cousineau-Krieger, Chantal, Davis, Ellen, Gensheimer, William G, Grasic, David, Gupta, Seema, Haddock, Luis, Konstantinou, Eleni, Lamba, Tania, Maiberger, Michele, Mantopoulos, Dimosthenis, Mehta, Mitul C, Nahri, Ayman G, AL-Nawaflh, Mutaz, Oshinsky, Arnold, Powell, Brittany E, Purt, Boonkit, Shin, Soo, Stiefel, Hillary, Thavikulwat, Alisa T, Wroblewski, Keith James, Chung, Tham Yih, Cheung, Chui Ming Gemmy, Cheng, Ching-Yu, Chew, Emily Y, Hribar, Michelle R., Chiang, Michael F., Lu, Zhiyong
Timely disease diagnosis is challenging due to increasing disease burdens and limited clinician availability. AI shows promise in diagnosis accuracy but faces real-world application issues due to insufficient validation in clinical workflows and dive
Externí odkaz:
http://arxiv.org/abs/2409.15087
Autor:
Gupta, Kriti K., Ricci, Claudio, Temple, Matthew J., Tortosa, Alessia, Koss, Michael J., Assef, Roberto J., Bauer, Franz E., Mushotzy, Richard, Ricci, Federica, Ueda, Yoshihiro, Rojas, Alejandra F., Trakhtenbrot, Benny, Chang, Chin-Shin, Oh, Kyuseok, Li, Ruancun, Kawamuro, Taiki, Diaz, Yaherlyn, Powell, Meredith C., Stern, Daniel, Urry, C. Megan, Harrison, Fiona, Cenko, Brad
We present one of the largest multiwavelength studies of simultaneous optical-to-X-ray spectral energy distributions (SEDs) of unobscured active galactic nuclei (AGN) in the local Universe. Using a representative sample of hard-X-ray-selected AGN fro
Externí odkaz:
http://arxiv.org/abs/2409.12239
We investigate the impact of nightside cloud formation on the observable night-day contrast of tidally-locked terrestrial planet atmospheres. We demonstrate that, in the case where the planetary dayside is only 10s of Kelvin hotter than the planetary
Externí odkaz:
http://arxiv.org/abs/2409.07542
Autor:
Jayaraman, Rahul, Rappaport, Saul, Powell, Brian, Handler, Gerald, Omohundro, Mark, Gagliano, Robert, Kostov, Veselin, Fuller, Jim, Kurtz, Donald, Zhang, Valencia, Ricker, George
The Transiting Exoplanet Survey Satellite (TESS) has enabled the discovery of numerous tidally tilted pulsators (TTPs), which are pulsating stars in close binaries where the presence of a tidal bulge has the effect of tilting the primary star's pulsa
Externí odkaz:
http://arxiv.org/abs/2409.03815
We characterise the set of fundamental groups for which there exist $n$-manifolds that are $h$-cobordant (hence homotopy equivalent) but not simple homotopy equivalent, when $n$ is sufficiently large. In particular, for $n \ge 12$ even, we show that
Externí odkaz:
http://arxiv.org/abs/2409.03082
Experimental Framework for Generating Reliable Ground Truth for Laryngeal Spatial Segmentation Tasks
Objective: The validity of objective measures derived from high-speed videoendoscopy (HSV) depends, among other factors, on the validity of spatial segmentation. Evaluation of the validity of spatial segmentation requires the existence of reliable gr
Externí odkaz:
http://arxiv.org/abs/2409.02809
We derive and study a model of square planar, d8 spin crossover materials that treats elastic, magnetic and spin-orbit interactions on an equal footing. For 1D chains density matrix renormalization group calculations show that the competition between
Externí odkaz:
http://arxiv.org/abs/2408.12043