Giulio Fabbian
(he/him)
Overview
Publication
2025
- Lesgourgues, J. et al. 2025. Euclid preparation LVI. Sensitivity to non-standard particle dark matter models. Astronomy and Astrophysics 693, article number: A249. (10.1051/0004-6361/202451611)
2024
- Darwish, O., Belkner, S., Legrand, L., Carron, J. and Fabbian, G. 2024. Non-Gaussian deflections in iterative optimal CMB lensing reconstruction. Physical Review D (particles, fields, gravitation, and cosmology) 110(10), article number: 103520. (10.1103/physrevd.110.103520)
- Zhou, A. J., Li, Y., Dodelson, S., Mandelbaum, R., Zhang, Y., Li, X. and Fabbian, G. 2024. A Hamiltonian, post-Born, three-dimensional, on-the-fly ray tracing algorithm for gravitational lensing. Journal of Cosmology and Astroparticle Physics 2024(10), article number: 69. (10.1088/1475-7516/2024/10/069)
- Adachi, S. et al. 2024. Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axionlike particles. Physical Review D (particles, fields, gravitation, and cosmology) 110(6), article number: 63013. (10.1103/physrevd.110.063013)
- Giardiello, S. et al. 2024. The Simons Observatory: impact of bandpass, polarization angle and calibration uncertainties on small-scale power spectrum analysis. Journal of Cosmology and Astroparticle Physics 2024, article number: 8. (10.1088/1475-7516/2024/09/008)
- Hertig, E. et al. 2024. The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer B-mode delensing for improved constraints on inflation. Physical Review D (particles, fields, gravitation, and cosmology) 110, article number: 43532. (10.1103/physrevd.110.043532)
- Braithwaite, C. et al. 2024. A study on the performance of half-wave plates designed for sub-mm studies. Presented at: SPIE Astronomical Telescopes + Instrumentation, Yokohama, Japan, 15-20 June 2024Proc. SPIE 13096: Ground-based and Airborne Instrumentation for Astronomy X. SPIE, (10.1117/12.3019262)
- Wolz, K. et al. 2024. The Simons Observatory: Pipeline comparison and validation for large-scale B-modes. Astronomy & Astrophysics 686, article number: A16. (10.1051/0004-6361/202346105)
- Piccirilli, G., Fabbian, G., Alonso, D., Storey-Fisher, K., Carron, J., Lewis, A. and García-García, C. 2024. Growth history and quasar bias evolution at z < 3 from Quaia. Journal of Cosmology and Astroparticle Physics 2024(6), article number: 12. (10.1088/1475-7516/2024/06/012)
- Zagatti, G., Bortolami, M., Gruppuso, A., Natoli, P., Pagano, L. and Fabbian, G. 2024. Planck constraints on cosmic birefringence and its cross-correlation with the CMB. Journal of Cosmology and Astroparticle Physics 2024(5), article number: 34. (10.1088/1475-7516/2024/05/034)
- Storey-Fisher, K., Hogg, D. W., Rix, H., Eilers, A., Fabbian, G., Blanton, M. R. and Alonso, D. 2024. Quaia, the Gaia-unWISE quasar catalog: an all-sky spectroscopic quasar sample. Astrophysical Journal 964, article number: 69. (10.3847/1538-4357/ad1328)
- Dachlythra, N. et al. 2024. The Simons Observatory: Beam characterization for the small aperture telescopes. Astrophysical Journal 961(1), article number: 138. (10.3847/1538-4357/ad0969)
2023
- Alonso, D., Fabbian, G., Storey-Fisher, K., Eilers, A., García-García, C., Hogg, D. W. and Rix, H. 2023. Constraining cosmology with the Gaia - unWISE Quasar Catalog and CMB lensing: structure growth. Journal of Cosmology and Astroparticle Physics 2023(11), article number: 43. (10.1088/1475-7516/2023/11/043)
- Li, Z. et al. 2023. The Simons Observatory: a new open-source power spectrum pipeline applied to the Planck legacy data. Journal of Cosmology and Astroparticle Physics 2023(9), article number: 48. (10.1088/1475-7516/2023/09/048)
- Clancy, J. et al. 2023. Polarization fraction of Planck Galactic cold clumps and forecasts for the Simons Observatory. Monthly Notices of the Royal Astronomical Society 524(3), pp. 3712–3723. (10.1093/mnras/stad2099)
- Adachi, S. et al. 2023. Constraints on axionlike polarization oscillations in the cosmic microwave background with POLARBEAR. Physical Review D 108(4), article number: 43017. (10.1103/PhysRevD.108.043017)
- Vielzeuf, P., Calabrese, M., Carbone, C., Fabbian, G. and Baccigalupi, C. 2023. DEMNUni: the imprint of massive neutrinos on the cross-correlation between cosmic voids and CMB lensing. Journal of Cosmology and Astroparticle Physics 2023(8) (10.1088/1475-7516/2023/08/010)
- Ajani, V. et al. 2023. Euclid preparation XXVIII. Forecasts for ten different higher-order weak lensing statistics. Astronomy & Astrophysics 675, article number: A120. (10.1051/0004-6361/202346017)
2022
- Carron, J., Lewis, A. and Fabbian, G. 2022. Planck integrated Sachs-Wolfe-lensing likelihood and the CMB temperature. PHYSICAL REVIEW D (10.1103/PhysRevD.106.103507)
- Bianchini, F. and Fabbian, G. 2022. CMB spectral distortions revisited: A new take on μ distortions and primordial non-Gaussianities from FIRAS data. Physical Review D 106(6), article number: 63527. (10.1103/PhysRevD.106.063527)
- Scaramella, R. et al. 2022. Euclid preparation: I. The Euclid Wide Survey. Astronomy & Astrophysics 662, article number: A112. (10.1051/0004-6361/202141938)
- Lepori, F. et al. 2022. Euclid preparation: XIX. Impact of magnification on photometric galaxy clustering. Astronomy & Astrophysics 662, article number: A93. (10.1051/0004-6361/202142419)
- The Polarbear Collaboration, . et al. 2022. Improved upper limit on degree-scale CMB B-mode polarization power from the 670 square-degree POLARBEAR Survey. Astrophysical Journal 931(2), article number: 101. (10.3847/1538-4357/ac6809)
- Upham, R. E. et al. 2022. Euclid: Covariance of weak lensing pseudo-Cℓ estimates. Astronomy & Astrophysics 660, article number: A114. (10.1051/0004-6361/202142908)
- Hensley, B. S. et al. 2022. The Simons Observatory: galactic science goals and forecasts. Astrophysical Journal 929(2), article number: 166. (10.3847/1538-4357/ac5e36)
- Lovell, C. C., Wilkins, S. M., Thomas, P. A., Schaller, M., Baugh, C. M., Fabbian, G. and Bahé, Y. 2022. A machine learning approach to mapping baryons on to dark matter haloes using the eagle and C-EAGLE simulations. Monthly Notices of the Royal Astronomical Society (10.1093/mnras/stab3221)
- Namikawa, T. et al. 2022. Simons Observatory: Constraining inflationary gravitational waves with multi-tracer B-mode delensing. Physical Review D 105(2), article number: 23511. (10.1103/PhysRevD.105.023511)
2021
- Zhu, N. et al. 2021. The Simons Observatory Large Aperture Telescope Receiver. Astrophysical Journal Supplement 256(1), article number: 23. (10.3847/1538-4365/ac0db7)
- Mirmelstein, M., Fabbian, G., Lewis, A. and Peloton, J. 2021. Instrumental systematics biases in CMB lensing reconstruction: A simulation-based assessment. Physical Review D 103(12), article number: 123540. (10.1103/PhysRevD.103.123540)
- Fabbian, G. and Peloton, J. 2021. Simulating instrumental systematics of cosmic microwave background experiments with s4cmb. Journal of Open Source Software 6(60), article number: 3022. (10.21105/joss.03022)
Articles
- Lesgourgues, J. et al. 2025. Euclid preparation LVI. Sensitivity to non-standard particle dark matter models. Astronomy and Astrophysics 693, article number: A249. (10.1051/0004-6361/202451611)
- Darwish, O., Belkner, S., Legrand, L., Carron, J. and Fabbian, G. 2024. Non-Gaussian deflections in iterative optimal CMB lensing reconstruction. Physical Review D (particles, fields, gravitation, and cosmology) 110(10), article number: 103520. (10.1103/physrevd.110.103520)
- Zhou, A. J., Li, Y., Dodelson, S., Mandelbaum, R., Zhang, Y., Li, X. and Fabbian, G. 2024. A Hamiltonian, post-Born, three-dimensional, on-the-fly ray tracing algorithm for gravitational lensing. Journal of Cosmology and Astroparticle Physics 2024(10), article number: 69. (10.1088/1475-7516/2024/10/069)
- Adachi, S. et al. 2024. Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axionlike particles. Physical Review D (particles, fields, gravitation, and cosmology) 110(6), article number: 63013. (10.1103/physrevd.110.063013)
- Giardiello, S. et al. 2024. The Simons Observatory: impact of bandpass, polarization angle and calibration uncertainties on small-scale power spectrum analysis. Journal of Cosmology and Astroparticle Physics 2024, article number: 8. (10.1088/1475-7516/2024/09/008)
- Hertig, E. et al. 2024. The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer B-mode delensing for improved constraints on inflation. Physical Review D (particles, fields, gravitation, and cosmology) 110, article number: 43532. (10.1103/physrevd.110.043532)
- Wolz, K. et al. 2024. The Simons Observatory: Pipeline comparison and validation for large-scale B-modes. Astronomy & Astrophysics 686, article number: A16. (10.1051/0004-6361/202346105)
- Piccirilli, G., Fabbian, G., Alonso, D., Storey-Fisher, K., Carron, J., Lewis, A. and García-García, C. 2024. Growth history and quasar bias evolution at z < 3 from Quaia. Journal of Cosmology and Astroparticle Physics 2024(6), article number: 12. (10.1088/1475-7516/2024/06/012)
- Zagatti, G., Bortolami, M., Gruppuso, A., Natoli, P., Pagano, L. and Fabbian, G. 2024. Planck constraints on cosmic birefringence and its cross-correlation with the CMB. Journal of Cosmology and Astroparticle Physics 2024(5), article number: 34. (10.1088/1475-7516/2024/05/034)
- Storey-Fisher, K., Hogg, D. W., Rix, H., Eilers, A., Fabbian, G., Blanton, M. R. and Alonso, D. 2024. Quaia, the Gaia-unWISE quasar catalog: an all-sky spectroscopic quasar sample. Astrophysical Journal 964, article number: 69. (10.3847/1538-4357/ad1328)
- Dachlythra, N. et al. 2024. The Simons Observatory: Beam characterization for the small aperture telescopes. Astrophysical Journal 961(1), article number: 138. (10.3847/1538-4357/ad0969)
- Alonso, D., Fabbian, G., Storey-Fisher, K., Eilers, A., García-García, C., Hogg, D. W. and Rix, H. 2023. Constraining cosmology with the Gaia - unWISE Quasar Catalog and CMB lensing: structure growth. Journal of Cosmology and Astroparticle Physics 2023(11), article number: 43. (10.1088/1475-7516/2023/11/043)
- Li, Z. et al. 2023. The Simons Observatory: a new open-source power spectrum pipeline applied to the Planck legacy data. Journal of Cosmology and Astroparticle Physics 2023(9), article number: 48. (10.1088/1475-7516/2023/09/048)
- Clancy, J. et al. 2023. Polarization fraction of Planck Galactic cold clumps and forecasts for the Simons Observatory. Monthly Notices of the Royal Astronomical Society 524(3), pp. 3712–3723. (10.1093/mnras/stad2099)
- Adachi, S. et al. 2023. Constraints on axionlike polarization oscillations in the cosmic microwave background with POLARBEAR. Physical Review D 108(4), article number: 43017. (10.1103/PhysRevD.108.043017)
- Vielzeuf, P., Calabrese, M., Carbone, C., Fabbian, G. and Baccigalupi, C. 2023. DEMNUni: the imprint of massive neutrinos on the cross-correlation between cosmic voids and CMB lensing. Journal of Cosmology and Astroparticle Physics 2023(8) (10.1088/1475-7516/2023/08/010)
- Ajani, V. et al. 2023. Euclid preparation XXVIII. Forecasts for ten different higher-order weak lensing statistics. Astronomy & Astrophysics 675, article number: A120. (10.1051/0004-6361/202346017)
- Carron, J., Lewis, A. and Fabbian, G. 2022. Planck integrated Sachs-Wolfe-lensing likelihood and the CMB temperature. PHYSICAL REVIEW D (10.1103/PhysRevD.106.103507)
- Bianchini, F. and Fabbian, G. 2022. CMB spectral distortions revisited: A new take on μ distortions and primordial non-Gaussianities from FIRAS data. Physical Review D 106(6), article number: 63527. (10.1103/PhysRevD.106.063527)
- Scaramella, R. et al. 2022. Euclid preparation: I. The Euclid Wide Survey. Astronomy & Astrophysics 662, article number: A112. (10.1051/0004-6361/202141938)
- Lepori, F. et al. 2022. Euclid preparation: XIX. Impact of magnification on photometric galaxy clustering. Astronomy & Astrophysics 662, article number: A93. (10.1051/0004-6361/202142419)
- The Polarbear Collaboration, . et al. 2022. Improved upper limit on degree-scale CMB B-mode polarization power from the 670 square-degree POLARBEAR Survey. Astrophysical Journal 931(2), article number: 101. (10.3847/1538-4357/ac6809)
- Upham, R. E. et al. 2022. Euclid: Covariance of weak lensing pseudo-Cℓ estimates. Astronomy & Astrophysics 660, article number: A114. (10.1051/0004-6361/202142908)
- Hensley, B. S. et al. 2022. The Simons Observatory: galactic science goals and forecasts. Astrophysical Journal 929(2), article number: 166. (10.3847/1538-4357/ac5e36)
- Lovell, C. C., Wilkins, S. M., Thomas, P. A., Schaller, M., Baugh, C. M., Fabbian, G. and Bahé, Y. 2022. A machine learning approach to mapping baryons on to dark matter haloes using the eagle and C-EAGLE simulations. Monthly Notices of the Royal Astronomical Society (10.1093/mnras/stab3221)
- Namikawa, T. et al. 2022. Simons Observatory: Constraining inflationary gravitational waves with multi-tracer B-mode delensing. Physical Review D 105(2), article number: 23511. (10.1103/PhysRevD.105.023511)
- Zhu, N. et al. 2021. The Simons Observatory Large Aperture Telescope Receiver. Astrophysical Journal Supplement 256(1), article number: 23. (10.3847/1538-4365/ac0db7)
- Mirmelstein, M., Fabbian, G., Lewis, A. and Peloton, J. 2021. Instrumental systematics biases in CMB lensing reconstruction: A simulation-based assessment. Physical Review D 103(12), article number: 123540. (10.1103/PhysRevD.103.123540)
- Fabbian, G. and Peloton, J. 2021. Simulating instrumental systematics of cosmic microwave background experiments with s4cmb. Journal of Open Source Software 6(60), article number: 3022. (10.21105/joss.03022)
Conferences
- Braithwaite, C. et al. 2024. A study on the performance of half-wave plates designed for sub-mm studies. Presented at: SPIE Astronomical Telescopes + Instrumentation, Yokohama, Japan, 15-20 June 2024Proc. SPIE 13096: Ground-based and Airborne Instrumentation for Astronomy X. SPIE, (10.1117/12.3019262)
Biography
Honours and awards
- 2024 STFC Ernest rutherford fellowship
- 2020 Marie Skłodowska Curie Global Fellowship project n. 892401 Precision Cosmology with Galaxy and Microwave Background Surveys (PiCOGAMBAS).
- 2019 STFC Consolidated grant (w/ Prof. A. Lewis).
- 2016 CNES postdoctoral fellowship.
- 2015 Dennis Sciama Legacy Fellowship.
- 2010 ExTRA fellowship of the CARIPLO foundation.
Committees and reviewing
- Reviewing
- Referee Physical Review Letters, Physical Review D, JCAP, Astronomy & Astrophysics, The Astrophysical Journal.
- Grant reviewer for Japan Society for the Promotion of Science (JSPS).
- Phd reviewer for University of Paris 11.
-
Internal reviewer of collaboration papers for CMB-S4, Simons Observatory, POLARBEAR
- Committees
- 2020 Organizer of the CMB lensing workshop (University of Sussex).
- 2019 Organizer of the South Coast Cosmology meeting (University of Sussex )2018 Organizer of the Euclid CMB - cross-correlation SWG meeting
- 2012 Member of the organizing committee of the "Big3: Big bang, Big data, Big computers" conference (Paris, France). Organizer of the Euclid CMB - cross-correlation SWG meeting (Orsay, France, 2018).
