Search Results for author: A. Agnello

Found 3 papers, 3 papers with code

TDCOSMO IV: Hierarchical time-delay cosmography -- joint inference of the Hubble constant and galaxy density profiles

2 code implementations • 6 Jul 2020 • S. Birrer, A. J. Shajib, A. Galan, M. Millon, T. Treu, A. Agnello, M. Auger, G. C. -F. Chen, L. Christensen, T. Collett, F. Courbin, C. D. Fassnacht, L. V. E. Koopmans, P. J. Marshall, J. -W. Park, C. E. Rusu, D. Sluse, C. Spiniello, S. H. Suyu, S. Wagner-Carena, K. C. Wong, M. Barnabè, A. S. Bolton, O. Czoske, X. Ding, J. A. Frieman, L. Van de Vyvere

Our calculation is based on a new hierarchical approach in which the MST is only constrained by stellar kinematics.

Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies

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STRIDES: A 3.9 per cent measurement of the Hubble constant from the strongly lensed system DES J0408-5354

1 code implementation • 14 Oct 2019 • A. J. Shajib, S. Birrer, T. Treu, A. Agnello, E. J. Buckley-Geer, J. H. H. Chan, L. Christensen, C. Lemon, H. Lin, M. Millon, J. Poh, C. E. Rusu, D. Sluse, C. Spiniello, G. C. -F. Chen, T. Collett, F. Courbin, C. D. Fassnacht, J. Frieman, A. Galan, D. Gilman, A. More, T. Anguita, M. W. Auger, V. Bonvin, G. Meylan, K. C. Wong, T. M. C. Abbott, J. Annis, S. Avila, K. Bechtol, D. Brooks, D. Brout, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, F. J. Castander, M. Costanzi, L. N. da Costa, J. De Vicente, S. Desai, J. P. Dietrich, P. Doel, A. Drlica-Wagner, A. E. Evrard, D. A. Finley, B. Flaugher, P. Fosalba, J. García-Bellido, D. W. Gerdes, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, D. L. Hollowood, K. Honscheid, D. Huterer, D. J. James, T. Jeltema, E. Krause, N. Kuropatkin, T. S. Li, M. Lima, N. MacCrann, M. A. G. Maia, J. L. Marshall, P. Melchior, R. Miquel, R. L. C. Ogando, A. Palmese, F. Paz-Chinchón, A. A. Plazas, A. K. Romer, A. Roodman, M. Sako, E. Sanchez, B. Santiago, V. Scarpine, M. Schubnell, D. Scolnic, S. Serrano, I. Sevilla-Noarbe, M. Smith, M. Soares-Santos, E. Suchyta, G. Tarle, D. Thomas, A. R. Walker, Y. Zhang

We present a blind time-delay cosmographic analysis for the lens system DES J0408$-$5354.

Cosmology and Nongalactic Astrophysics

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VEXAS: VISTA EXtension to Auxiliary Surveys - Data Release 2. Machine-learning based classification of sources in the Southern Hemisphere

1 code implementation • 18 Mar 2021 • V. Khramtsov, C. Spiniello, A. Agnello, A. Sergeyev

We assemble a large table of spectroscopically confirmed objects (415 628 unique objects), based on the combination of 6 different spectroscopic surveys that we use for training.

Imputation

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