Setting the scene for BUFFALO:a study of the matter distribution in the HFF galaxy cluster MACS J0416.1-2403 and its parallel fie

Autor: Elizabeth Johana Gonzalez, Jose M. Diego, Anton M. Koekemoer, Charles L. Steinhardt, Mathilde Jauzac, Anna Niemiec, Thomas Connor, J. D. Remolina González, David J. Barnes, Douglas Clowe, Martín Chalela, David Harvey, Dominique Eckert, Matthieu Schaller
Přispěvatelé: European Commission, Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina), Universidad Nacional de Córdoba (Argentina), Secretaría de Ciencia y Técnica de la Nación (Argentina), Netherlands Organization for Scientific Research
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Cosmology and Nongalactic Astrophysics (astro-ph.CO)
CLUSTERS: INDIVIDUAL: MACS J0416.1−2403 [GALAXIES]
Dark matter
FOS: Physical sciences
Field of view
Context (language use)
Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
clusters: individual: MACS J0416.1-2403 [galaxies]
01 natural sciences
Measure (mathematics)
dark matter
purl.org/becyt/ford/1 [https]
Gravitational lensing: weak
weak [gravitational lensing]
0103 physical sciences
Cluster (physics)
010303 astronomy & astrophysics
Galaxy cluster
Astrophysics::Galaxy Astrophysics
Physics
Mass distribution
010308 nuclear & particles physics
Cosmology: observations
Astronomy and Astrophysics
purl.org/becyt/ford/1.3 [https]
Astrophysics - Astrophysics of Galaxies
Galaxy
observations [cosmology]
Space and Planetary Science
Astrophysics of Galaxies (astro-ph.GA)
X-rays: galaxies: clusters
galaxies: clusters [X-rays]
Astrophysics - Cosmology and Nongalactic Astrophysics
Zdroj: Gonzalez, E J, Chalela, M, Jauzac, M, Eckert, D, Schaller, M, Harvey, D, Niemiec, A, Koekemoer, A M, Barnes, D, Clowe, D, Connor, T, Diego, J M, Remolina Gonzalezm, J D & Steinhardt, C L 2020, ' Setting the scene for BUFFALO : a study of the matter distribution in the HFF galaxy cluster MACS J0416.1-2403 and its parallel fie ', Monthly Notices of the Royal Astronomical Society, vol. 494, no. 1, pp. 349-362 . https://doi.org/10.1093/mnras/staa745
Digital.CSIC. Repositorio Institucional del CSIC
instname
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
Monthly Notices of the Royal Astronomical Society
Popis: In the context of the Beyond Ultradeep Frontier Fields And Legacy Observations (BUFFALO) survey, we present a new analysis of the merging galaxy cluster MACS J0416.1−2403 (z = 0.397) and its parallel field using Hubble Frontier Fields (HFF) data. We measure the surface mass density from a weak-lensing analysis and characterize the overall matter distribution in both the cluster and parallel fields. The surface mass distribution derived for the parallel field shows clumpy overdensities connected by filament-like structures elongated in the direction of the cluster core. We also characterize the X-ray emission in the parallel field and compare it with the lensing mass distribution. We identify five mass peaks at the >5σ level over the two fields, four of them being in the cluster one. Three of them are located close to galaxy overdensities and one is also close to an excess in the X-ray emission. Nevertheless, two of them have neither optical nor X-ray counterpart and are located close to the edges of the field of view, thus further studies are needed to confirm them as substructures. Finally, we compare our results with the predicted subhalo distribution of one of the Hydrangea/C-EAGLE simulated cluster. Significant differences are obtained suggesting the simulated cluster is at a more advanced evolutionary stage than MACS J0416.1−2403. Our results anticipate the upcoming BUFFALO observations that will link the two HFF fields, extending further the HST coverage.
This project has received funding from the European Union’s Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie grant agreement No 734374. This work was partially supported by the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET, Argentina) and the Secretaría de Ciencia y Tecnología de la Universidad Nacional de Córdoba (SeCyT-UNC, Argentina). MJ is supported by the United Kingdom Research and Innovation (UKRI) Future Leaders Fellowship ‘Using Cosmic Beasts to uncover the Nature of Dark Matter’ (grant number MR/S017216/1). This project was also supported by the Science and Technology Facilities Council [grant number ST/L00075X/1]. DH is supported by the D-ITP consortium, a program of the Netherlands Organization for Scientific Research (NWO) that is funded by the Dutch Ministry of Education, Culture and Science (OCW). MS is supported by the Netherlands Organization for Scientific Research (NWO) VENI grant 639.041.749.
Databáze: OpenAIRE
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