no code implementations • 7 May 2020 • X. Huang, C. Storfer, A. Gu, V. Ravi, A. Pilon, W. Sheu, R. Venguswamy, S. Bankda, A. Dey, M. Landriau, D. Lang, A. Meisner, J. Moustakas, A. D. Myers, R. Sajith, E. F. Schlafly, D. J. Schlegel
We have conducted a search for new strong gravitational lensing systems in the Dark Energy Spectroscopic Instrument Legacy Imaging Surveys' Data Release 8.
Instrumentation and Methods for Astrophysics
no code implementations • 3 Apr 2020 • C. Ravoux, E. Armengaud, M. Walther, T. Etourneau, D. Pomarède, N. Palanque-Delabrouille, C. Yèche, J. Bautista, H. du Mas des Bourboux, S. Chabanier, K. Dawson, J. -M. Le Goff, B. Lyke, A. D. Myers, P. Petitjean, M. M. Pieri, J. Rich, G. Rossi, D. P. Schneider
We derive a 3D map of large-scale matter fluctuations from these data, using a Wiener filter technique.
Cosmology and Nongalactic Astrophysics
no code implementations • 3 Jun 2019 • X. Huang, M. Domingo, A. Pilon, V. Ravi, C. Storfer, D. J. Schlegel, S. Bailey, A. Dey, D. Herrera, S. Juneau, M. Landriau, D. Lang, A. Meisner, J. Moustakas, A. D. Myers, E. F. Schlafly, F. Valdes, B. A. Weaver, J. Yang, C. Yeche
We compile a training set that consists of known lensing systems in the Legacy Surveys and DES as well as non-lenses in the footprint of DECaLS.
Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics
1 code implementation • 6 Oct 2014 • J. J. Ruan, S. F. Anderson, R. M. Plotkin, W. N. Brandt, T. H. Burnett, A. D. Myers, D. P. Schneider
Blazars are classically divided into the BL Lac (BLL) and Flat-Spectrum Radio Quasar (FSRQ) subclasses, corresponding to radiatively inefficient and efficient accretion regimes, respectively, largely based on the equivalent width (EW) of their optical broad emission lines (BEL).
High Energy Astrophysical Phenomena