Outputs (12454)

High-quality Extragalactic Legacy-field Monitoring (HELM) with DECam: Project Overview and First Data Release (2024)
Journal Article
Zhuang 庄, M.-Y. 明., Yang, Q., Shen, Y., Adamów, M., Friedel, D. N., Gruendl, R. A., Stone, Z., Li, J., Liu, X., Martini, P., Abbott, T. M. C., Anderson, S. F., Assef, R. J., Bauer, F. E., Bielby, R., Brandt, W. N., Burke, C. J., Casares, J., Chen, Y.-C., De Rosa, G., …Zucker, C. (2024). High-quality Extragalactic Legacy-field Monitoring (HELM) with DECam: Project Overview and First Data Release. Astrophysical Journal Supplement, 274(2), Article 42. https://doi.org/10.3847/1538-4365/ad7d01

High-quality Extragalactic Legacy-field Monitoring (HELM) is a long-term observing program that photometrically monitors several well-studied extragalactic legacy fields with the Dark Energy Camera (DECam) imager on the CTIO 4 m Blanco telescope. Sin... Read More about High-quality Extragalactic Legacy-field Monitoring (HELM) with DECam: Project Overview and First Data Release.

Percolation Statistics in the MillenniumTNG Simulations (2024)
Journal Article
Regős, E., Springel, V., Bose, S., Hadzhiyska, B., & Hernández-Aguayo, C. (2024). Percolation Statistics in the MillenniumTNG Simulations. The Astrophysical Journal, 974(1), Article 126. https://doi.org/10.3847/1538-4357/ad7138

The statistical analysis of cosmic large-scale structure is most often based on simple two-point summary statistics, like the power spectrum or the two-point correlation function of a sample of galaxies or other types of tracers. In contrast, topolog... Read More about Percolation Statistics in the MillenniumTNG Simulations.

Diffusion‐Free Intramolecular Triplet–Triplet Annihilation Contributes to the Enhanced Exciton Utilization in OLEDs (2024)
Journal Article
Mattiello, S., Danos, A., Stavrou, K., Ronchi, A., Baranovski, R., Florenzano, D., Meinardi, F., Beverina, L., Monkman, A., & Monguzzi, A. (2024). Diffusion‐Free Intramolecular Triplet–Triplet Annihilation Contributes to the Enhanced Exciton Utilization in OLEDs. Advanced Optical Materials, 12(33), Article 2401597. https://doi.org/10.1002/adom.202401597

Triplet–triplet annihilation (TTA), or triplet fusion, is a biexcitonic process in which two triplet‐excited molecules can combine their energy to promote one into an excited singlet state. To alleviate the dependence of the TTA rate and yield on tri... Read More about Diffusion‐Free Intramolecular Triplet–Triplet Annihilation Contributes to the Enhanced Exciton Utilization in OLEDs.

A unified model for the clustering of quasars and galaxies at z ≈ 6 (2024)
Journal Article
Pizzati, E., Hennawi, J. F., Schaye, J., Schaller, M., Eilers, A.-C., Wang, F., Frenk, C. S., Elbers, W., Helly, J. C., Mackenzie, R., Matthee, J., Bordoloi, R., Kashino, D., Naidu, R. P., & Yue, M. (2024). A unified model for the clustering of quasars and galaxies at z ≈ 6. Monthly Notices of the Royal Astronomical Society, 534(4), 3155-3175. https://doi.org/10.1093/mnras/stae2307

Quantifying the impact of AGN feedback on the large-scale matter distribution using two- and three-point statistics (2024)
Journal Article
Saha, B., & Bose, S. (2024). Quantifying the impact of AGN feedback on the large-scale matter distribution using two- and three-point statistics. Monthly Notices of the Royal Astronomical Society, 534(4), 3876-3892. https://doi.org/10.1093/mnras/stae2312

Feedback from active galactic nuclei (AGN) plays a critical role in shaping the matter distribution on scales comparable to and larger than individual galaxies. Upcoming surveys such as Euclid and Legacy Survey of Space and Time aim to precisely quan... Read More about Quantifying the impact of AGN feedback on the large-scale matter distribution using two- and three-point statistics.

AGN STORM 2. IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-Ray Spectroscopy (2024)
Journal Article
Zaidouni, F., Kara, E., Kosec, P., Mehdipour, M., Rogantini, D., Kriss, G. A., Behar, E., Kaastra, J., Barth, A. J., Cackett, E. M., De Rosa, G., Homayouni, Y., Horne, K., Landt, H., Arav, N., Bentz, M. C., Brotherton, M. S., Dalla Bontà, E., Dehghanian, M., Ferland, G. J., …Zu, Y. (2024). AGN STORM 2. IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-Ray Spectroscopy. Astrophysical Journal, 974(1), Article 91. https://doi.org/10.3847/1538-4357/ad6771

We present the results of the XMM-Newton and NuSTAR observations taken as part of the ongoing, intensive multiwavelength monitoring program of the Seyfert 1 galaxy Mrk 817 by the AGN Space Telescope and Optical Reverberation Mapping 2 (AGN STORM 2) P... Read More about AGN STORM 2. IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-Ray Spectroscopy.

A comparison of human, GPT-3.5, and GPT-4 performance in a university-level coding course (2024)
Journal Article
Yeadon, W., Peach, A., & Testrow, C. (2024). A comparison of human, GPT-3.5, and GPT-4 performance in a university-level coding course. Scientific Reports, 14, Article 23285. https://doi.org/10.1038/s41598-024-73634-y

This study evaluates the performance of ChatGPT variants, GPT-3.5 and GPT-4, both with and without prompt engineering, against solely student work and a mixed category containing both student and GPT-4 contributions in university-level physics coding... Read More about A comparison of human, GPT-3.5, and GPT-4 performance in a university-level coding course.

Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries (2024)
Journal Article
Veresvarska, M., Scaringi, S., Knigge, C., Paice, J., Buckley, D. A. H., Segura, N. C., de Martino, D., Groot, P. J., Ingram, A., Irving, Z. A., & Szkody, P. (2024). Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries. Monthly Notices of the Royal Astronomical Society, 534(4), 3087-3103. https://doi.org/10.1093/mnras/stae2279

Almost all accreting black hole and neutron star (NS) X-ray binary systems (XRBs) exhibit prominent brightness variations on a few characteristic time-scales and their harmonics. These quasi-periodic oscillations (QPOs) are thought to be associated w... Read More about Discovery of persistent quasi-periodic oscillations in accreting white dwarfs: a new link to X-ray binaries.

Systematic collapse of the accretion disc across the supermassive black hole population (2024)
Journal Article
Hagen, S., Done, C., Silverman, J. D., Li, J., Liu, T., Ren, W., Buchner, J., Merloni, A., Nagao, T., & Salvato, M. (2024). Systematic collapse of the accretion disc across the supermassive black hole population. Monthly Notices of the Royal Astronomical Society, 534(3), 2803-2818. https://doi.org/10.1093/mnras/stae2272

The structure of the accretion flow on to supermassive black holes is not well understood. Standard disc models match to zeroth-order in predicting substantial energy dissipation within optically thick material producing a characteristic strong blue/... Read More about Systematic collapse of the accretion disc across the supermassive black hole population.

Tip tilt and focus estimation based on LGS and downlink joint measurements for ground to GEO satellite optical communication link (2024)
Journal Article
Lognoné, P., Rekaya, G., Montmerle-Bonnefois, A., Paillier, L., & Conan, J.-M. (2024). Tip tilt and focus estimation based on LGS and downlink joint measurements for ground to GEO satellite optical communication link. Optics Express, 32(21), 37739-37757. https://doi.org/10.1364/oe.538333

Achieving high data rates in GEO Feeder optical uplinks faces challenges due to the fading nature of the channel induced by atmospheric turbulence. Adaptive optics pre-compensation using downlink measurements is a solution to mitigate the impact of t... Read More about Tip tilt and focus estimation based on LGS and downlink joint measurements for ground to GEO satellite optical communication link.