Dr David Lagattuta's Outputs (23)

The KALEIDOSCOPE survey : A new strong and weak gravitational lensing view of the massive galaxy cluster MACS J1423.8+2404 (2024)
Journal Article
Patel, N. R., Jauzac, M., Niemiec, A., Lagattuta, D., Mahler, G., Beauchesne, B., Edge, A., Ebeling, H., & Limousin, M. (2024). The KALEIDOSCOPE survey : A new strong and weak gravitational lensing view of the massive galaxy cluster MACS J1423.8+2404. Monthly Notices of the Royal Astronomical Society, 533(4), 4500-4514. https://doi.org/10.1093/mnras/stae2069

We present a combined strong and weak gravitational-lensing analysis of the massive galaxy cluster MACS J1423.8+2404 (z = 0.545, MACS J1423 hereafter), one of the most dynamically relaxed and massive cool-core clusters discovered in the MAssive Clust... Read More about The KALEIDOSCOPE survey : A new strong and weak gravitational lensing view of the massive galaxy cluster MACS J1423.8+2404.

A complex node of the cosmic web associated with the massive galaxy cluster MACS J0600.1-2008 (2024)
Journal Article
Furtak, L. J., Zitrin, A., Richard, J., Eckert, D., Sayers, J., Ebeling, H., Fujimoto, S., Laporte, N., Lagattuta, D., Limousin, M., Mahler, G., Meena, A. K., Andrade-Santos, F., Frye, B. L., Jauzac, M., Koekemoer, A. M., Kohno, K., Espada, D., Lu, H., Massey, R., & Niemiec, A. (2024). A complex node of the cosmic web associated with the massive galaxy cluster MACS J0600.1-2008. Monthly Notices of the Royal Astronomical Society, 533(2), 2242-2261. https://doi.org/10.1093/mnras/stae1943

SuperBIT Superpressure Flight Instrument Overview and Performance: Near-diffraction-limited Astronomical Imaging from the Stratosphere (2024)
Journal Article
Gill, A. S., Benton, S. J., Damaren, C. J., Everett, S. W., Fraisse, A. A., Hartley, J. W., Harvey, D., Holder, B., Huff, E. M., Jones, W. C., Lagattuta, D., Leung, J. S.-Y., Jauzac, M., Li, L., Luu, T. V. T., Massey, R., McCleary, J. E., Nagy, J. M., Netterfield, C. B., Paracha, E., …Vitorelli, A. Z. (2024). SuperBIT Superpressure Flight Instrument Overview and Performance: Near-diffraction-limited Astronomical Imaging from the Stratosphere. Astronomical Journal, 168(2), Article 85. https://doi.org/10.3847/1538-3881/ad5840

SuperBIT was a 0.5 m near-UV to near-infrared wide-field telescope that launched on a NASA superpressure balloon into the stratosphere from New Zealand for a 45-night flight. SuperBIT acquired multiband images of galaxy clusters to study the properti... Read More about SuperBIT Superpressure Flight Instrument Overview and Performance: Near-diffraction-limited Astronomical Imaging from the Stratosphere.

Strong gravitational lensing’s ‘external shear’ is not shear (2024)
Journal Article
Etherington, A., Nightingale, J., Massey, R., Tam, S.-I., Cao, X., Niemiec, A., He, Q., Robertson, A., Li, R., Amvrosiadis, A., Cole, S., Diego, J., Frenk, C., Frye, B., Harvey, D., Jauzac, M., Koekemoer, A., Lagattuta, D., Lange, S., Limousin, M., …Steinhardt, C. (2024). Strong gravitational lensing’s ‘external shear’ is not shear. Monthly Notices of the Royal Astronomical Society, 531(3), 3684-3697. https://doi.org/10.1093/mnras/stae1375

The distribution of mass in galaxy-scale strong gravitational lenses is often modelled as an elliptical power-law plus ‘external shear’, which notionally accounts for neighbouring galaxies and cosmic shear along our line of sight. A small amount of e... Read More about Strong gravitational lensing’s ‘external shear’ is not shear.

Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity (2024)
Journal Article
Sirks, E. L., Harvey, D., Massey, R., Oman, K. A., Robertson, A., Frenk, C., Everett, S., Gill, A. S., Lagattuta, D., & McCleary, J. (2024). Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity. Monthly Notices of the Royal Astronomical Society, 530(3), 3160-3170. https://doi.org/10.1093/mnras/stae1012

Terrestrial particle accelerators collide charged particles, then watch the trajectory of outgoing debris – but they cannot manipulate dark matter. Fortunately, dark matter is the main component of galaxy clusters, which are continuously pulled toget... Read More about Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity.

BUFFALO/Flashlights: Constraints on the abundance of lensed supergiant stars in the Spock galaxy at redshift 1 (2024)
Journal Article
Diego, J. M., Li, S. K., Meena, A. K., Niemiec, A., Acebron, A., Jauzac, M., …Pascale, M. (2024). BUFFALO/Flashlights: Constraints on the abundance of lensed supergiant stars in the Spock galaxy at redshift 1. Astronomy & Astrophysics, 681, Article A124. https://doi.org/10.1051/0004-6361/202346761

In this work, we present a constraint on the abundance of supergiant (SG) stars at redshift z ≈ 1, based on recent observations of a
strongly lensed arc at this redshift. First we derived a free-form model of MACS J0416.1-2403 using data from the Be... Read More about BUFFALO/Flashlights: Constraints on the abundance of lensed supergiant stars in the Spock galaxy at redshift 1.

A full reconstruction of two galaxy clusters intra-cluster medium with strong gravitational lensing (2024)
Journal Article
Allingham, J. F. V., Bœhm, C., Eckert, D., Jauzac, M., Lagattuta, D., Mahler, G., …Ettori, S. (2024). A full reconstruction of two galaxy clusters intra-cluster medium with strong gravitational lensing. Monthly Notices of the Royal Astronomical Society, 528(2), 1711-1736. https://doi.org/10.1093/mnras/stae107

Whilst X-rays and Sunyaev–Zel’dovich observations allow to study the properties of the intra-cluster medium (ICM) of galaxy clusters, their gravitational potential may be constrained using strong gravitational lensing. Although being physically relat... Read More about A full reconstruction of two galaxy clusters intra-cluster medium with strong gravitational lensing.

Data Downloaded via Parachute from a NASA Super-Pressure Balloon (2023)
Journal Article
Sirks, E. L., Massey, R., Gill, A. S., Anderson, J., Benton, S. J., Brown, A. M., Clark, P., English, J., Everett, S. W., Fraisse, A. A., Franco, H., Hartley, J. W., Harvey, D., Holder, B., Hunter, A., Huff, E. M., Hynous, A., Jauzac, M., Jones, W. C., Joyce, N., …Vassilakis, G. N. (2023). Data Downloaded via Parachute from a NASA Super-Pressure Balloon. Aerospace, 10(11), Article 960. https://doi.org/10.3390/aerospace10110960

In April 2023, the superBIT telescope was lifted to the Earth’s stratosphere by a helium-filled super-pressure balloon to acquire astronomical imaging from above (99.5% of) the Earth’s atmosphere. It was launched from New Zealand and then, for 40 day... Read More about Data Downloaded via Parachute from a NASA Super-Pressure Balloon.

A new step forward in realistic cluster lens mass modelling: analysis of Hubble Frontier Field Cluster Abell S1063 from joint lensing, X-ray, and galaxy kinematics data (2023)
Journal Article
Beauchesne, B., Clément, B., Hibon, P., Limousin, M., Eckert, D., Kneib, J., …Sánchez, J. (2024). A new step forward in realistic cluster lens mass modelling: analysis of Hubble Frontier Field Cluster Abell S1063 from joint lensing, X-ray, and galaxy kinematics data. Monthly Notices of the Royal Astronomical Society, 527(2), 3246–3275. https://doi.org/10.1093/mnras/stad3308

We present a new method to simultaneously and self-consistently model the mass distribution of galaxy clusters that combines constraints from strong lensing features, X-ray emission, and galaxy kinematics measurements. We are able to successfully dec... Read More about A new step forward in realistic cluster lens mass modelling: analysis of Hubble Frontier Field Cluster Abell S1063 from joint lensing, X-ray, and galaxy kinematics data.

Probing the faint-end luminosity function of Lyman-alpha emitters at 3 < z < 7 behind 17 MUSE lensing clusters (2023)
Journal Article
Thai, T. T., Tuan-Anh, P., Pello, R., Goovaerts, I., Richard, J., Claeyssens, A., …Matthee, J. (2023). Probing the faint-end luminosity function of Lyman-alpha emitters at 3 < z < 7 behind 17 MUSE lensing clusters. Astronomy & Astrophysics, 678, Article A139. https://doi.org/10.1051/0004-6361/202346716

Context. This paper presents a study of the galaxy Lyman-alpha luminosity function (LF) using a large sample of 17 lensing clusters observed by the Multi Unit Spectroscopic Explorer (MUSE) at the ESO Very Large Telescope (VLT). The magnification resu... Read More about Probing the faint-end luminosity function of Lyman-alpha emitters at 3 < z < 7 behind 17 MUSE lensing clusters.

Lensing in the Blue. II. Estimating the Sensitivity of Stratospheric Balloons to Weak Gravitational Lensing (2023)
Journal Article
McCleary, J. E., Everett, S. W., Shaaban, M. M., Gill, A. S., Vassilakis, G. N., Huff, E. M., Massey, R. J., Benton, S. J., Brown, A. M., Clark, P., Holder, B., Fraisse, A. A., Jauzac, M., Jones, W. C., Lagattuta, D., Leung, J. S.-Y., Li, L., T. Luu, T. V., Nagy, J. M., Netterfield, C. B., …Tam, S. I. (2023). Lensing in the Blue. II. Estimating the Sensitivity of Stratospheric Balloons to Weak Gravitational Lensing. Astronomical Journal, 166(3), https://doi.org/10.3847/1538-3881/ace7ca

The Superpressure Balloon-borne Imaging Telescope (SuperBIT) is a diffraction-limited, wide-field, 0.5 m, near-infrared to near-ultraviolet observatory designed to exploit the stratosphere's space-like conditions. SuperBIT's 2023 science flight will... Read More about Lensing in the Blue. II. Estimating the Sensitivity of Stratospheric Balloons to Weak Gravitational Lensing.

RXJ0437+00: constraining dark matter with exotic gravitational lenses (2023)
Journal Article
Lagattuta, D. J., Richard, J., Ebeling, H., Basto, Q., Cerny, C., Edge, A., Jauzac, M., Mahler, G., & Massey, R. (2023). RXJ0437+00: constraining dark matter with exotic gravitational lenses. Monthly Notices of the Royal Astronomical Society, 522(1), 1091-1107. https://doi.org/10.1093/mnras/stad803

We present the first strong-gravitational-lensing analysis of the galaxy cluster RX J0437.1+0043 (RXJ0437; z = 0.285). Newly obtained, deep MUSE observations, Keck/MOSFIRE near-infrared spectroscopy, and Hubble Space Telescope SNAPshot imaging reveal... Read More about RXJ0437+00: constraining dark matter with exotic gravitational lenses.

Joint HST, VLT/MUSE, and XMM−Newton observations to constrain the mass distribution of the two strong lensing galaxy clusters: MACS J0242.5-2132 and MACS J0949.8+1708 (2023)
Journal Article
Allingham, J. F. V., Jauzac, M., Lagattuta, D. J., Mahler, G., Bœhm, C., Lewis, G. F., …Ettori, S. (2023). Joint HST, VLT/MUSE, and XMM−Newton observations to constrain the mass distribution of the two strong lensing galaxy clusters: MACS J0242.5-2132 and MACS J0949.8+1708. Monthly Notices of the Royal Astronomical Society, 522(1), 1118-1137. https://doi.org/10.1093/mnras/stad917

Beyond the bulge–halo conspiracy? Density profiles of early-type galaxies from extended-source strong lensing (2023)
Journal Article
Etherington, A., Nightingale, J. W., Massey, R., Robertson, A., Cao, X., Amvrosiadis, A., Cole, S., Frenk, C. S., He, Q., Lagattuta, D. J., Lange, S., & Li, R. (2023). Beyond the bulge–halo conspiracy? Density profiles of early-type galaxies from extended-source strong lensing. Monthly Notices of the Royal Astronomical Society, 521(4), 6005-6018. https://doi.org/10.1093/mnras/stad582

Observations suggest that the dark matter and stars in early-type galaxies ‘conspire’ to produce a surprisingly simple distribution of total mass, ρ(r) ∝ ρ−γ, with γ ≈ 2. We measure the distribution of mass in 48 early-type galaxies that gravitationa... Read More about Beyond the bulge–halo conspiracy? Density profiles of early-type galaxies from extended-source strong lensing.

Precision Modeling of JWST's First Cluster Lens SMACS J0723.3–7327* (2023)
Journal Article
Mahler, G., Jauzac, M., Richard, J., Beauchesne, B., Ebeling, H., Lagattuta, D., Natarajan, P., Sharon, K., Atek, H., Claeyssens, A., Clément, B., Eckert, D., Edge, A., Kneib, J.-P., & Niemiec, A. (2023). Precision Modeling of JWST's First Cluster Lens SMACS J0723.3–7327*. Astrophysical Journal, 945(1), Article 49. https://doi.org/10.3847/1538-4357/acaea9

Exploiting the fundamentally achromatic nature of gravitational lensing, we present a lens model for the massive galaxy cluster SMACS J0723.3−7323 (SMACS J0723; z = 0.388) that significantly improves upon earlier work. Building on strong-lensing cons... Read More about Precision Modeling of JWST's First Cluster Lens SMACS J0723.3–7327*.

The Lensed Lyman-Alpha MUSE Arcs Sample (LLAMAS) (2022)
Journal Article
Claeyssens, A., Richard, J., Blaizot, J., Garel, T., Kusakabe, H., Bacon, R., Bauer, F., Guaita, L., Jeanneau, A., Lagattuta, D., Leclercq, F., Maseda, M., Matthee, J., Nanayakkara, T., Pello, R., Thai, T., Tuan-Anh, P., Verhamme, A., Vitte, E., & Wisotzki, L. (2022). The Lensed Lyman-Alpha MUSE Arcs Sample (LLAMAS). Astronomy & Astrophysics, 666, Article A78. https://doi.org/10.1051/0004-6361/202142320

Aims. We present the Lensed Lyman-Alpha MUSE Arcs Sample (LLAMAS) selected from MUSE and HST observations of 17 lensing clusters. The sample consists of 603 continuum-faint (−23 < MUV < −14) lensed Lyman-α emitters (producing 959 images) with secure...

Pilot-WINGS: An extended MUSE view of the structure of Abell 370 (2022)
Journal Article
Lagattuta, D. J., Richard, J., Bauer, F. E., Cerny, C., Claeyssens, A., Guaita, L., Jauzac, M., Jeanneau, A., Koekemoer, A. M., Mahler, G., Prieto Lyon, G., Acebron, A., Meneghetti, M., Niemiec, A., Zitrin, A., Bianconi, M., Connor, T., Cen, R., Edge, A., Faisst, A. L., …Weaver, J. R. (2022). Pilot-WINGS: An extended MUSE view of the structure of Abell 370. Monthly Notices of the Royal Astronomical Society, 514(1), 497-517. https://doi.org/10.1093/mnras/stac418

We investigate the strong-lensing cluster Abell 370 (A370) using a wide Integral Field Unit (IFU) spectroscopic mosaic from the Multi-Unit Spectroscopic Explorer (MUSE). IFU spectroscopy provides significant insight into the structure and mass conten... Read More about Pilot-WINGS: An extended MUSE view of the structure of Abell 370.

SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging (2022)
Journal Article
Chen, G. C.-F., Fassnacht, C. D., Suyu, S. H., Koopmans, L. V., Lagattuta, D. J., McKean, J. P., Auger, M. W., Vegetti, S., & Treu, T. (2022). SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging. Monthly Notices of the Royal Astronomical Society, 513(2), 2349-2359. https://doi.org/10.1093/mnras/stac1081

Strongly lensed quasars can provide measurements of the Hubble constant (H0) independent of any other methods. One of the key ingredients is exquisite high-resolution imaging data, such as Hubble Space Telescope (HST) imaging and adaptive-optics (AO)... Read More about SHARP – VIII. J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging.

An atlas of MUSE observations towards twelve massive lensing clusters (2021)
Journal Article
Richard, J., Claeyssens, A., Lagattuta, D., Guaita, L., Bauer, F. E., Pello, R., Carton, D., Bacon, R., Soucail, G., Lyon, G. P., Kneib, J.-P., Mahler, G., Clément, B., Mercier, W., Variu, A., Tamone, A., Ebeling, H., Schmidt, K. B., Nanayakkara, T., Maseda, M., …Patrício, V. (2021). An atlas of MUSE observations towards twelve massive lensing clusters. Astronomy & Astrophysics, 646, Article A83. https://doi.org/10.1051/0004-6361/202039462

Context. Spectroscopic surveys of massive galaxy clusters reveal the properties of faint background galaxies thanks to the magnification provided by strong gravitational lensing. Aims. We present a systematic analysis of integral-field-spectroscopy o... Read More about An atlas of MUSE observations towards twelve massive lensing clusters.

OzDES multi-object fibre spectroscopy for the Dark Energy Survey: results and second data release (2020)
Journal Article
Lidman, C., Tucker, B., Davis, T., Uddin, S., Asorey, J., Bolejko, K., Brout, D., Calcino, J., Carollo, D., Carr, A., Childress, M., Hoormann, J., Foley, R., Galbany, L., Glazebrook, K., Hinton, S., Kessler, R., Kim, A., King, A., Kremin, A., …Wilkinson, R. (2020). OzDES multi-object fibre spectroscopy for the Dark Energy Survey: results and second data release. Monthly Notices of the Royal Astronomical Society, 496(1), 19-35. https://doi.org/10.1093/mnras/staa1341

We present a description of the Australian Dark Energy Survey (OzDES) and summarize the results from its 6 years of operations. Using the 2dF fibre positioner and AAOmega spectrograph on the 3.9-m Anglo-Australian Telescope, OzDES has monitored 771 a... Read More about OzDES multi-object fibre spectroscopy for the Dark Energy Survey: results and second data release.