Resolving the physics of quasar Ly α nebulae (RePhyNe): I. Constraining quasar host halo masses through circumgalactic medium kinematics
(2023)
Journal Article
de Beer, S., Cantalupo, S., Travascio, A., Pezzulli, G., Galbiati, M., Fossati, M., Fumagalli, M., Lazeyras, T., Pensabene, A., Theuns, T., & Wang, W. (2023). Resolving the physics of quasar Ly α nebulae (RePhyNe): I. Constraining quasar host halo masses through circumgalactic medium kinematics. Monthly Notices of the Royal Astronomical Society, 526(2), 1850–1873. https://doi.org/10.1093/mnras/stad2682
All Outputs (114)
Constraining the LyC escape fraction from LEGUS star clusters with SIGNALS H ii region observations: a pilot study of NGC 628 (2023)
Journal Article
Teh, J. W., Grasha, K., Krumholz, M. R., Battisti, A. J., Calzetti, D., Rousseau-Nepton, L., Rhea, C., Adamo, A., Kennicutt, R. C., Grebel, E. K., Cook, D. O., Combes, F., Messa, M., Linden, S. T., Klessen, R. S., Vilchez, J. M., Fumagalli, M., McLeod, A., Smith, L. J., Chemin, L., …Boselli, A. (2023). Constraining the LyC escape fraction from LEGUS star clusters with SIGNALS H ii region observations: a pilot study of NGC 628. Monthly Notices of the Royal Astronomical Society, 524(1), 1191-1210. https://doi.org/10.1093/mnras/stad1780
Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: II. Constraints on the oxygen abundance and ionising radiation escape (2021)
Journal Article
Della Bruna, L., Adamo, A., Lee, J. C., Smith, L. J., Krumholz, M., Bik, A., Calzetti, D., Fox, A., Fumagalli, M., Grasha, K., Messa, M., Östlin, G., Walterbos, R., & Wofford, A. (2021). Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: II. Constraints on the oxygen abundance and ionising radiation escape. Astronomy & Astrophysics, 650, Article A103. https://doi.org/10.1051/0004-6361/202039402Context. Feedback from massive stars affects the interstellar medium (ISM) from the immediate surroundings of the stars (parsec scales) to galactic (kiloparsec) scales. High-spatial resolution studies of H II regions are critical to investigate how t... Read More about Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: II. Constraints on the oxygen abundance and ionising radiation escape.
The relationship between gas and galaxies at z < 1 using the Q0107 quasar triplet (2021)
Journal Article
Beckett, A., Morris, S. L., Fumagalli, M., Bielby, R., Tejos, N., Schaye, J., Jannuzi, B., & Cantalupo, S. (2021). The relationship between gas and galaxies at z < 1 using the Q0107 quasar triplet. Monthly Notices of the Royal Astronomical Society, 506(2), 2574-2602. https://doi.org/10.1093/mnras/stab1630We study the distribution and dynamics of the circumgalactic and intergalactic medium using a dense galaxy survey covering the field around the Q0107 system, a unique z ≈ 1 projected quasar triplet. With full Ly α coverage along all three lines-of-si... Read More about The relationship between gas and galaxies at z < 1 using the Q0107 quasar triplet.
Discovery of a Damped Lyα Galaxy at z ∼ 3 toward the Quasar SDSS J011852+040644 (2021)
Journal Article
Joshi, R., Fumagalli, M., Srianand, R., Noterdaeme, P., Petitjean, P., Rafelski, M., Mackenzie, R., Li, Q., Cai, Z., Martin, D. C., Zou, S., Wu, X.-B., Jiang, L., & Ho, L. C. (2021). Discovery of a Damped Lyα Galaxy at z ∼ 3 toward the Quasar SDSS J011852+040644. Astrophysical Journal, 908(2), Article 129. https://doi.org/10.3847/1538-4357/abd1d5We report the detection of the host galaxy of a damped Lyα system (DLA) with log N(H I) [cm−2 ] = 21.0 ± 0.10 at z ≈ 3.0091 toward the background quasar SDSS J011852+040644 using the Palomar Cosmic Web Imager at the Hale (P200) telescope. We detect L... Read More about Discovery of a Damped Lyα Galaxy at z ∼ 3 toward the Quasar SDSS J011852+040644.
Sub-damped Lyman α systems in the XQ-100 survey – II. Chemical evolution at 2.4 ≤ z ≤ 4.3 (2021)
Journal Article
Berg, T. A., Fumagalli, M., D’Odorico, V., Ellison, S. L., López, S., Becker, G. D., Christensen, L., Cupani, G., Denney, K. D., Sánchez-Ramírez, R., & Worseck, G. (2021). Sub-damped Lyman α systems in the XQ-100 survey – II. Chemical evolution at 2.4 ≤ z ≤ 4.3. Monthly Notices of the Royal Astronomical Society, 502(3), 4009-4025. https://doi.org/10.1093/mnras/stab184We present the measured gas-phase metal column densities in 155 sub-damped Ly α systems (subDLAs) with the aim to investigate the contribution of subDLAs to the chemical evolution of the Universe. The sample was identified within the absorber-blind X... Read More about Sub-damped Lyman α systems in the XQ-100 survey – II. Chemical evolution at 2.4 ≤ z ≤ 4.3.
The stochastic enrichment of Population II stars (2020)
Journal Article
Welsh, L., Cooke, R., & Fumagalli, M. (2021). The stochastic enrichment of Population II stars. Monthly Notices of the Royal Astronomical Society, 500(4), 5214-5228. https://doi.org/10.1093/mnras/staa3342We investigate the intrinsic scatter in the chemical abundances of a sample of metal-poor ([Fe/H] < −2.5) Milky Way halo stars. We draw our sample from four historic surveys and focus our attention on the stellar Mg, Ca, Ni, and Fe abundances. Using... Read More about The stochastic enrichment of Population II stars.
MUSE Analysis of Gas around Galaxies (MAGG) - II: Metal-enriched halo gas around z ∼ 1 galaxies (2020)
Journal Article
Dutta, R., Fumagalli, M., Fossati, M., Lofthouse, E. K., Prochaska, J. X., Battaia, F. A., Bielby, R. M., Cantalupo, S., Cooke, R. J., Murphy, M. T., & O’Meara, J. M. (2020). MUSE Analysis of Gas around Galaxies (MAGG) - II: Metal-enriched halo gas around z ∼ 1 galaxies. Monthly Notices of the Royal Astronomical Society, 499(4), 5022-5046. https://doi.org/10.1093/mnras/staa3147We present a study of the metal-enriched cool halo gas traced by Mg II absorption around 228 galaxies at z ∼ 0.8–1.5 within 28 quasar fields from the MUSE Analysis of Gas around Galaxies survey. We observe no significant evolution in the Mg II equiva... Read More about MUSE Analysis of Gas around Galaxies (MAGG) - II: Metal-enriched halo gas around z ∼ 1 galaxies.
Detecting neutral hydrogen at z ≳ 3 in large spectroscopic surveys of quasars (2020)
Journal Article
Fumagalli, M., Fotopoulou, S., & Thomson, L. (2020). Detecting neutral hydrogen at z ≳ 3 in large spectroscopic surveys of quasars. Monthly Notices of the Royal Astronomical Society, 498(2), 1951-1962. https://doi.org/10.1093/mnras/staa2388We present a pipeline based on a random forest classifier for the identification of high column density clouds of neutral hydrogen (i.e. the Lyman limit systems, LLSs) in absorption within large spectroscopic surveys of z ≳ 3 quasars. We test the per... Read More about Detecting neutral hydrogen at z ≳ 3 in large spectroscopic surveys of quasars.
Shaping the structure of a GMC with radiation and winds (2020)
Journal Article
Decataldo, D., Lupi, A., Ferrara, A., Pallottini, A., & Fumagalli, M. (2020). Shaping the structure of a GMC with radiation and winds. Monthly Notices of the Royal Astronomical Society, 497(4), 4718-4732. https://doi.org/10.1093/mnras/staa2326We study the effect of stellar feedback (photodissociation/ionization, radiation pressure and winds) on the evolution of a Giant Molecular Cloud (GMC), by means of a 3D radiative transfer, hydro-simulation implementing a complex chemical network feat... Read More about Shaping the structure of a GMC with radiation and winds.
Quasar Sightline and Galaxy Evolution (QSAGE) survey - II. Galaxy overdensities around UV luminous quasars at z = 1-2 (2020)
Journal Article
Stott, J., Bielby, R., Cullen, F., Burchett, J., Tejos, N., Fumagalli, M., Crain, R., Morris, S., Amos, N., Bower, R., & Prochaska, J. (2020). Quasar Sightline and Galaxy Evolution (QSAGE) survey - II. Galaxy overdensities around UV luminous quasars at z = 1-2. Monthly Notices of the Royal Astronomical Society, 497(3), 3083-3096. https://doi.org/10.1093/mnras/staa2096We demonstrate that the UV brightest quasars at z = 1–2 live in overdense environments. This is based on an analysis of deep Hubble Space Telescope WFC3 G141 grism spectroscopy of the galaxies along the lines-of-sight to UV luminous quasars in the re... Read More about Quasar Sightline and Galaxy Evolution (QSAGE) survey - II. Galaxy overdensities around UV luminous quasars at z = 1-2.
A limit on Planck-scale froth with ESPRESSO (2020)
Journal Article
Pettini, M., Fumagalli, M., Welsh, L., & Cooke, R. (2020). A limit on Planck-scale froth with ESPRESSO. Monthly Notices of the Royal Astronomical Society, 494(4), 4884-4890. https://doi.org/10.1093/mnras/staa440Some models of quantum gravity predict that the very structure of space–time is ‘frothy’ due to quantum fluctuations. Although the effect is expected to be tiny, if these space–time fluctuations grow over a large distance, the initial state of a phot... Read More about A limit on Planck-scale froth with ESPRESSO.
A bound on the 12C/13C ratio in near-pristine gas with ESPRESSO (2020)
Journal Article
Pettini, M., Fumagalli, M., Cooke, R., & Welsh, L. (2020). A bound on the 12C/13C ratio in near-pristine gas with ESPRESSO. Monthly Notices of the Royal Astronomical Society, 494(1), 1411-1423. https://doi.org/10.1093/mnras/staa807Using science verification observations obtained with ESPRESSO at the Very Large Telescope (VLT) in 4UT mode, we report the first bound on the carbon isotope ratio 12C/13C of a quiescent, near-pristine damped Lyα (DLA) system at z = 2.34. We infer a... Read More about A bound on the 12C/13C ratio in near-pristine gas with ESPRESSO.
Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: I. Data description and properties of the ionised gas (2020)
Journal Article
Della Bruna, L., Adamo, A., Bik, A., Fumagalli, M., Walterbos, R., Östlin, G., Bruzual, G., Calzetti, D., Charlot, S., Grasha, K., Smith, L. J., Thilker, D., & Wofford, A. (2020). Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: I. Data description and properties of the ionised gas. Astronomy & Astrophysics, 635, Article A134. https://doi.org/10.1051/0004-6361/201937173Context. Studies of nearby galaxies reveal that around 50% of the total Hα luminosity in late-type spirals originates from diffuse ionised gas (DIG), which is a warm, diffuse component of the interstellar medium that can be associated with various me... Read More about Studying the ISM at ∼10 pc scale in NGC 7793 with MUSE: I. Data description and properties of the ionised gas.
Into the Lyα jungle: exploring the circumgalactic medium of galaxies at z ∼ 4 − 5 with MUSE (2020)
Journal Article
Bielby, R. M., Fumagalli, M., Fossati, M., Rafelski, M., Oppenheimer, B., Cantalupo, S., Christensen, L., Fynbo, J., Lopez, S., Morris, S. L., D’Odorico, V., & Peroux, C. (2020). Into the Lyα jungle: exploring the circumgalactic medium of galaxies at z ∼ 4 − 5 with MUSE. Monthly Notices of the Royal Astronomical Society, 493(4), 5336-5356. https://doi.org/10.1093/mnras/staa546We present a study of the galaxy environment of 9 strong H I+C IV absorption line systems (16.2 < log(N(HI)) < 21.2) spanning a wide range in metallicity at z ∼ 4 − 5, using MUSE integral field and X-Shooter spectroscopic data collected in a z ≈ 5.26... Read More about Into the Lyα jungle: exploring the circumgalactic medium of galaxies at z ∼ 4 − 5 with MUSE.
Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium (2020)
Journal Article
Buie, E., Fumagalli, M., & Scannapieco, E. (2020). Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium. Astrophysical Journal, 890(1), Article 33. https://doi.org/10.3847/1538-4357/ab65bcSingle-phase photoionization equilibrium (PIE) models are often used to infer the underlying physical properties of galaxy halos probed in absorption with ions at different ionization potentials. To incorporate the effects of turbulence, we use the M... Read More about Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium.
Determining the primordial helium abundance and UV background using fluorescent emission in star-free dark matter haloes (2019)
Journal Article
Sykes, C., Fumagalli, M., Cooke, R., & Theuns, T. (2020). Determining the primordial helium abundance and UV background using fluorescent emission in star-free dark matter haloes. Monthly Notices of the Royal Astronomical Society, 492(2), 2151-2160. https://doi.org/10.1093/mnras/stz3573Observational measures of the primordial helium mass fraction, YP, are of interest for cosmology and fundamental particle physics. Current measures obtained from HII HII regions agree with the Standard Model prediction to approximately 1% precision,... Read More about Determining the primordial helium abundance and UV background using fluorescent emission in star-free dark matter haloes.
MUSE Analysis of Gas around Galaxies (MAGG) - I: Survey design and the environment of a near pristine gas cloud at z ≈ 3.5 (2019)
Journal Article
Lofthouse, E. K., Fumagalli, M., Fossati, M., O’Meara, J. M., Murphy, M. T., Christensen, L., Prochaska, J. X., Cantalupo, S., Bielby, R. M., Cooke, R. J., Lusso, E., & Morris, S. L. (2020). MUSE Analysis of Gas around Galaxies (MAGG) - I: Survey design and the environment of a near pristine gas cloud at z ≈ 3.5. Monthly Notices of the Royal Astronomical Society, 491(2), 2057-2074. https://doi.org/10.1093/mnras/stz3066We present the design, methods, and first results of the MUSE Analysis of Gas around Galaxies (MAGG) survey, a large programme on the Multi Unit Spectroscopic Explorer (MUSE) instrument at the Very Large Telescope (VLT) which targets 28 z > 3.2 quasa... Read More about MUSE Analysis of Gas around Galaxies (MAGG) - I: Survey design and the environment of a near pristine gas cloud at z ≈ 3.5.
The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5 (2019)
Journal Article
Fossati, M., Fumagalli, M., Lofthouse, E., D’Odorico, V., Lusso, E., Cantalupo, S., Cooke, R., Cristiani, S., Haardt, F., Morris, S., Peroux, C., Prichard, L., Rafelski, M., Smail, I., & Theuns, T. (2019). The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5. Monthly Notices of the Royal Astronomical Society, 490(1), 1451-1469. https://doi.org/10.1093/mnras/stz2693We present the goals, design, and first results of the MUSE Ultra Deep Field (MUDF) survey, a large programme using the Multi Unit Spectroscopic Explorer (MUSE) instrument at the ESO Very Large Telescope. The MUDF survey is collecting ≈150 h on-sourc... Read More about The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5.
Gas filaments of the cosmic web located around active galaxies in a protocluster (2019)
Journal Article
Umehata, H., Fumagalli, M., Smail, I., Matsuda, Y., Swinbank, A., Cantalupo, S., Sykes, C., Ivison, R., Steidel, C., Shapley, A., Vernet, J., Yamada, T., Tamura, Y., Kubo, M., Nakanishi, K., Kajisawa, M., Hatsukade, B., & Kohno, K. (2019). Gas filaments of the cosmic web located around active galaxies in a protocluster. Science, 366(6461), 97-100. https://doi.org/10.1126/science.aaw5949Cosmological simulations predict the Universe contains a network of intergalactic gas filaments, within which galaxies form and evolve. However, the faintness of any emission from these filaments has limited tests of this prediction. We report the de... Read More about Gas filaments of the cosmic web located around active galaxies in a protocluster.