Zobrazeno 1 - 10
of 4 731
pro vyhledávání: '"P. Keeley"'
Quasars could serve as standard candles if the relation between their ultraviolet and X-ray luminosities can be accurately calibrated. Previously, we developed a model-independent method to calibrate quasar standard candles using the distances-redshi
Externí odkaz:
http://arxiv.org/abs/2408.15547
In this analysis we apply a model-independent framework to test the flat $\Lambda$CDM cosmology using simulated SNIa data from the upcoming Legacy Survey of Space and Time (LSST) and combined with simulated Dark Energy Spectroscopic Instrument (DESI)
Externí odkaz:
http://arxiv.org/abs/2407.07847
Technological advancements have significantly transformed communication patterns, introducing a diverse array of online platforms, thereby prompting individuals to use multiple profiles for different domains and objectives. Enhancing the understandin
Externí odkaz:
http://arxiv.org/abs/2407.04350
Autor:
Keeley, Ryan E., Nierenberg, Anna M., Gilman, Daniel, Gannon, Charles, Birrer, Simon, Treu, Tommaso, Benson, Andrew J., Du, Xiaolong, Abazajian, K. N., Anguita, T., Bennert, V. N., Djorgovski, S. G., Gupta, K. K., Hoenig, S. F., Kusenko, A., Lemon, C., Malkan, M., Motta, V., Moustakas, L. A., Oh, M. S. H., Sluse, D., Stern, D., Wechsler, R. H.
This is the second in a series of papers in which we use JWST MIRI multiband imaging to measure the warm dust emission in a sample of 31 multiply imaged quasars, to be used as a probe of the particle nature of dark matter. We present measurements of
Externí odkaz:
http://arxiv.org/abs/2405.01620
Publikováno v:
Multimed Tools Appl 78, 2019
There is a general consensus of the good sensing and novelty characteristics of Twitter as an information media for the complex financial market. This paper investigates the permeability of Twittersphere, the total universe of Twitter users and their
Externí odkaz:
http://arxiv.org/abs/2312.11530
Mathematical models describing the spatial spreading and invasion of populations of biological cells are often developed in a continuum modelling framework using reaction-diffusion equations. While continuum models based on linear diffusion are routi
Externí odkaz:
http://arxiv.org/abs/2310.07938
Characterizing the relationship between neural population activity and behavioral data is a central goal of neuroscience. While latent variable models (LVMs) are successful in describing high-dimensional time-series data, they are typically only desi
Externí odkaz:
http://arxiv.org/abs/2310.03111
Autor:
Nierenberg, A. M., Keeley, R. E., Sluse, D., Gilman, D., Birrer, S., Treu, T., Abazajian, K. N., Anguita, T., Benson, A. J., Bennert, V. N., Djorgovski, S. G., Du, X., Fassnacht, C. D., Hoenig, S. F., Kusenko, A., Lemon, C., Malkan, M., Motta, V., Moustakas, L. A., Stern, D., Wechsler, R. H.
The flux ratios of gravitationally lensed quasars provide a powerful probe of the nature of dark matter. Importantly, these ratios are sensitive to small-scale structure, irrespective of the presence of baryons. This sensitivity may allow us to study
Externí odkaz:
http://arxiv.org/abs/2309.10101
Publikováno v:
The Astrophysical Journal, 960:103(7pp), 2024
Absolute distances from strong lensing can anchor Type Ia Supernovae (SNe Ia) at cosmological distances giving a model-independent inference of the Hubble constant ($H_0$). Future observations could provide strong lensing time-delay distances with so
Externí odkaz:
http://arxiv.org/abs/2308.06951
Autor:
Erhardt, Keeley, Khanna, Saurabh
Publikováno v:
The 9th International Conference on Computational Social Science (IC2S2). 2023
The Internet has not only digitized but also democratized information access across the globe. This gradual but path-breaking move to online information propagation has resulted in search engines playing an increasingly prominent role in shaping acce
Externí odkaz:
http://arxiv.org/abs/2307.09834