Zobrazeno 1 - 10
of 2 086
pro vyhledávání: '"Kelson, D."'
Autor:
Matthews, A. M, Kelson, D. D., Newman, A. B., Camilo, F., Condon, J. J., Cotton, W. D., Dickinson, M., Jarrett, T. H., Lacy, M.
We present the initial sample of redshifts for 3,839 galaxies in the MeerKAT DEEP2 field -- the deepest $\sim$1.4\,GHz radio field yet observed. Using a spectrophotometric technique combining coarse optical spectra with broadband photometry, we obtai
Externí odkaz:
http://arxiv.org/abs/2310.17701
Autor:
Mercurio, A., Rosati, P., Biviano, A., Annunziatella, M., Girardi, M., Sartoris, B., Nonino, M., Brescia, M., Riccio, G., Grillo, C., Balestra, I., Caminha, G. B., De Lucia, G., Gobat, R., Seitz, S., Tozzi, P., Scodeggio, M., Vanzella, E., Angora, G., Bergamini, P., Borgani, S., Demarco, R., Meneghetti, M., Strazzullo, V., Tortorelli, L., Umetsu, K., Fritz, A., Gruen, D., Kelson, D., Lombardi, M., Maier, C., Postman, M., Rodighiero, G., Ziegler, B.
Publikováno v:
A&A 656, A147 (2021)
Using the CLASH-VLT survey, we assembled an unprecedented sample of 1234 spectroscopically confirmed members in Abell~S1063, finding a dynamically complex structure at z_cl=0.3457 with a velocity dispersion \sigma_v=1380 -32 +26 km s^-1. We investiga
Externí odkaz:
http://arxiv.org/abs/2109.03305
Autor:
Abramson, L. E., Kelson, D. D.
Via numerical experiments, we show that the $\sim$10%-20% passive fraction seen at $z>3$ is consistent with galaxy star formation histories being maximally correlated stochastic processes. If so, this fraction should reflect a time-independent baseli
Externí odkaz:
http://arxiv.org/abs/2012.08050
Akademický článek
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Autor:
Nicholas C. Miller, Alexis Brown, Michael Elliott, Ryan Gilbert, Devin T. Davis, Ahmad E. Islam, Dennis Walker, Gary Hughes, Kyle Liddy, Kelson D. Chabak
Publikováno v:
IEEE Journal of the Electron Devices Society, Vol 11, Pp 531-538 (2023)
This paper reports a temperature-dependent ASM-HEMT for modeling GaN HEMTs at elevated temperatures. Modifications to the standard ASM-HEMT were developed to accurately capture the DC and RF measurements collected at varying chuck temperatures. Sever
Externí odkaz:
https://doaj.org/article/5652d6efb28e435ba8a596cb3791a18a
Akademický článek
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Autor:
Neal, Adam T., Mou, Shin, Rafique, Subrina, Zhao, Hongping, Ahmadi, Elaheh, Speck, James S., Stevens, Kevin T., Blevins, John D., Thomson, Darren B., Moser, Neil, Chabak, Kelson D., Jessen, Gregg H.
Publikováno v:
Appl. Phys. Lett. 113, 062101 (2018)
We have studied the properties of Si, Ge shallow donors and Fe, Mg deep acceptors in $\beta$-Ga2O3 through temperature dependent van der Pauw and Hall effect measurements of samples grown by a variety of methods, including edge-defined film-fed (EFG)
Externí odkaz:
http://arxiv.org/abs/1809.01230
Autor:
Chen, C. -T. J., Brandt, W. N., Luo, B., Ranalli, P., Yang, G., Alexander, D. M., Bauer, F. E., Kelson, D. D., Lacy, M., Nyland, K., Tozzi, P., Vito, F., Cirasuolo, M., Gilli, R., Jarvis, M. J., Lehmer, B. D., Paolillo, M., Schneider, D. P., Shemmer, O., Smail, I., Sun, M., Tanaka, M., Vaccari, M., Vignali, C., Xue, Y. Q., Banerji, M., Chow, K. E., Häußler, B., Norris, R. P., Silverman, J. D., Trump, J. R.
We present an X-ray point-source catalog from the XMM-Large Scale Structure survey region (XMM-LSS), one of the XMM-Spitzer Extragalactic Representative Volume Survey (XMM-SERVS) fields. We target the XMM-LSS region with $1.3$ Ms of new XMM-Newton AO
Externí odkaz:
http://arxiv.org/abs/1804.07763
Autor:
Jiménez-Teja, Y., Dupke, R., Benítez, N., Koekemoer, A. M., Zitrin, A., Umetsu, K., Ziegler, B. L., Frye, B. L., Ford, H., Bouwens, R. J., Bradley, L. D., Broadhurst, T., Coe, D., Donahue, M., Graves, G. J., Grillo, C., Infante, L., Jouvel, S., Kelson, D. D., Lahav, O., Lazkoz, R., Lemze, D., Maoz, D., Medezinski, E., Melchior, P., Meneghetti, M., Mercurio, A., Merten, J., Molino, A., Moustakas, L. A., Nonino, M., Ogaz, S., Riess, A. G., Rosati, P., Sayers, J., Seitz, S., Zheng, W.
We have selected a sample of eleven massive clusters of galaxies observed by the Hubble Space Telescope in order to study the impact of the dynamical state on the IntraCluster Light (ICL) fraction, the ratio of total integrated ICL to the total galax
Externí odkaz:
http://arxiv.org/abs/1803.04981
Autor:
Bañados, E., Venemans, B. P., Mazzucchelli, C., Farina, E. P., Walter, F., Wang, F., Decarli, R., Stern, D., Fan, X., Davies, F. B., Hennawi, J. F., Simcoe, R. A., Turner, M. L., Rix, H-W., Yang, J., Kelson, D. D., Rudie, G. C., Winters, J. M.
Publikováno v:
Nature , 553, 473, 2018
Quasars are the most luminous non-transient objects known and as a result they enable studies of the Universe at the earliest cosmic epochs. Despite extensive efforts, however, the quasar ULAS J1120+0641 at z=7.09 has remained the only one known at z
Externí odkaz:
http://arxiv.org/abs/1712.01860