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Mathew Madhavacheril

Portrait de Mathew Madhavacheril
P. J. E. Peebles Fellow
Phd: Stony Brook University 2016

Area of Research:
Phone: (519) 569-7600 x5391

Research Interests

- Cosmic microwave background observables including mass (gravitational lensing) and gas (Sunyaev-Zeldovich effects)

- Large-scale structure with galaxy surveys and cross-correlations

- Probes of the very early universe, dark matter, dark energy and neutrinos

- Algorithms and statistical methods in data analysis

Positions Held

  • 2016 - 2019 Department of Astrophysical Sciences, Princeton University Postdoctoral Research Associate

Recent Publications

  • The Bias to Cosmic Microwave Background Lensing Reconstruction from the Kinematic Sunyaev-Zel"dovich Effect at Reionization, H. Cai, MS Madhavacheril, J. C. Hill, A. Kosowsky, 11/2021, arXiv: 2111.01944, Phys. Rev. D 105, 043516
  • Simulated catalogs and maps of radio galaxies at millimeter wavelengths in Websky, Z. Li, G. Puglisi, MS Madhavacheril, M. Alvarez, 10/2021, arXiv: 2110.15357, to appear in PRD
  • Cosmology with the moving lens effect S. C. Hotinli, K. M. Smith, MS Madhavacheril, M. Kamionkowski, 08/2021, arXiv: 2108.02207, Phys. Rev. D 104, 083529
  • Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey: I. Evidence for thermal energy anisotropy using oriented stacking, M. Lokken, R. Hlozek, A. van Engelen, MS Madhavacheril et al. ACT and DES collaborations, 07/2021, arXiv: 2107.05523, ApJ 933 134
  • A high-resolution view of the filament of gas between Abell 399 and Abell 401 from the Atacama Cosmology Telescope and MUSTANG-2, A. Hincks, F. Radiconi, C. Romero, MS Madhavacheril et al. ACT and MUSTANG-2 collaborations, 07/2021, arXiv: 2107.04611, MNRAS, Volume 510, Issue 3
  • Baryonic feedback biases on fundamental physics from lensed CMB power spectra, F. McCarthy, J. C. Hill, MS Madhavacheril, 03/2021, arXiv: 2103.05582, Phys. Rev. D 105, 023517
  • The Atacama Cosmology Telescope: Summary of DR4 and DR5 Data Products and Data Access, Mallaby-Kay et al (incl. MS Madhavacheril), 03/2021, arXiv: 2103.03154, ApJS 255 11
  • Quadratic estimators for CMB weak lensing, A. Maniyar, Y. Ali-Haimoud, J. Carron, A. Lewis, MS Madhavacheril, 01/2021, arXiv: 2101.12193, Phys. Rev. D 103, 083524
  • CMB lensing power spectrum estimation without instrument noise bias, MS Madhavacheril, K. Smith, B. Sherwin, S. Naess, 11/2020, arXiv: 2011.02475, JCAP, Volume 2021, 028
  • Improving models of the cosmic infrared background using CMB lensing mass maps, F. McCarthy, MS Madhavacheril, 11/2020, arXiv: 2010.16405, Phys. Rev. D 103, 103515
  • MS Madhavacheril, C. Sifon, N. Battaglia et al. ACT collaboration, Weighing distant clusters with the most ancient light, September 2020, arXiv: 2009.07772, ApJ Letters, 903, 1
  • A Catalog of more than 4000 Sunyaev-Zel"dovich Galaxy Clusters, M. Hilton, C. Sifón, S. Naess, MS Madhavacheril et al. ACT, DES, HSC, KiDS collaborations, 09/2020, arXiv: 2009.11043, ApJS 253 3
  • M Madhavacheril et al., Component-separated maps of CMB temperature and the thermal Sunyaev-Zel'dovich effect, PRD, 102, 22 July 2020, 1911.05717
  • D. Han, N. Sehgal, A. MacInnis, A. van Engelen, B. D. Sherwin, MS Madhavacheril et al. ACT collaboration, The Atacama Cosmology Telescope: Delensed Power Spectra and Parameters, July 2020, arXiv: 2007.14405, to appear in JCAP
  • S. Choi et al. ACT collaboration (incl. Madhavacheril), A Measurement of the Cosmic Microwave Background Power Spectra at 98 and 150 GHz, July 2020, arXiv: 2007.07289, to appear in JCAP
  • S. Aiola et al. ACT collaboration (incl. Madhavacheril), DR4 Maps and Cosmological Parameters, July 2020, arXiv: 2007.07288, to appear in JCAP
  • O. Darwish, MS Madhavacheril, B. Sherwin et al. ACT collaboration, A CMB lensing mass map over 2100 square degrees of sky and its cross-correlation with BOSS-CMASS galaxies, April 2020, arXiv: 2004.01139, to appear in MNRAS
  • B Hadzhiyska, B Sherwin, M Madhavacheril, S Ferraro, Improving small-scale CMB lensing reconstruction, PRD, 100, 29 July 2019, 1905.04217
  • Combining information from multiple cosmological surveys: inference and modeling challenges D. Alonso et al (incl. MS Madhavacheril), 03/2021, arXiv: 2103.05320, response to DOE/NASA RFI

Seminars

  • Invited Review Talk: Weak Lensing at DAMTP, Cambridge, 07/2022
  • Seminar: Physics and Astronomy, University of Pennsylvania, Philadelphia 04/2022
  • Invited Plenary Talk: "Galaxy Clusters 2022" Symposium, STScI 04/2022, (remote)
  • Colloquium: Physics and Astronomy, California State University, Los Angeles, CA 4/2022 (remote)
  • Invited Plenary Talk: Outreach talk at "Queen"s Space Conference", Kinston, Ontario 02/2022 (remote)
  • Invited Plenary Talk: "Spergelfest: Symposium in honor of David Spergel"s 60th birthday and 5th anniversary of the CCA", Princeton and New York, 10/2021
  • Invited Plenary Talk: "Cosmology From Home" conference, 07/2021 (remote)
  • Seminar: Cosmology Seminar, University of Oxford, UK, 05/2021 (remote)
  • Invited Talk: "Cosmological Frontiers in Fundamental Physics", Paris, France, 05/2021 (remote)
  • Seminar: Astrophysics/Gravity/Cosmology seminar, University of Illinois at Urbana-Champaign, IL, 04/2021 (remote)
  • Colloquium: Department of Physics and Astronomy, University of Southern California, CA 2/2021 (remote)
  • Seminar: LEPP seminar, Cornell University, NY 01/2021 (remote)
  • Colloquium: University of Arizona Steward Observatory and NOIRLab, 11/2020 (remote)
  • Seminar: HEA at MPA Garching, Germany, 10/2020 (remote)
  • Seminar: German Center for Cosmological Lensing (GCCL), 10/2020 (remote)