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2021A&A...646A..83R - Astronomy and Astrophysics, volume 646A, 83-83 (2021/2-1)
An atlas of MUSE observations towards twelve massive lensing clusters.
RICHARD J., CLAEYSSENS A., LAGATTUTA D., GUAITA L., BAUER F.E., PELLO R., CARTON D., BACON R., SOUCAIL G., PRIETO LYON G., KNEIB J.-P., MAHLER G., CLEMENT B., MERCIER W., VARIU A., TAMONE A., EBELING H., SCHMIDT K.B., NANAYAKKARA T., MASEDA M., WEILBACHER P.M., BOUCHE N., BOUWENS R.J., WISOTZKI L., DE LA VIEUVILLE G., MARTINEZ J. and PATRICIO V.
Abstract (from CDS):
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 observations of 12 massive clusters, conducted with the Multi Unit Spectroscopic Explorer (MUSE). All data were taken under very good seeing conditions (∼0.6") in effective exposure times between two and 15h per pointing, for a total of 125h. Our observations cover a total solid angle of ∼23-arcmin2 in the direction of clusters, many of which were previously studied by the MAssive Clusters Survey, Frontier Fields (FFs), Grism Lens-Amplified Survey from Space and Cluster Lensing And Supernova survey with Hubble programmes. The achieved emission line detection limit at 5σ for a point source varies between (0.77-1.5)x10–18erg/s/cm2 at 7000Å.
Methods. We present our developed strategy to reduce these observational data, detect continuum sources and line emitters in the datacubes, and determine their redshifts. We constructed robust mass models for each cluster to further confirm our redshift measurements using strong-lensing constraints, and identified a total of 312 strongly lensed sources producing 939 multiple images.
Results. The final redshift catalogues contain more than 3300 robust redshifts, of which 40% are for cluster members and ∼30% are for lensed Lyman-α emitters. Fourteen percent of all sources are line emitters that are not seen in the available HST images, even at the depth of the FFs (∼29 AB). We find that the magnification distribution of the lensed sources in the high-magnification regime (µ=2-25) follows the theoretical expectation of N(z)∝µ–2. The quality of this dataset, number of lensed sources, and number of strong-lensing constraints enables detailed studies of the physical properties of both the lensing cluster and the background galaxies. The full data products from this work, including the datacubes, catalogues, extracted spectra, ancillary images, and mass models, are made available to the community.
Abstract Copyright: © J. Richard et al. 2021
Journal keyword(s): galaxies: distances and redshifts - galaxies: high-redshift - techniques: imaging spectroscopy - gravitational lensing: strong - galaxies: formation - galaxies: clusters: general
VizieR on-line data: <Available at CDS (J/A+A/646/A83): a2744.dat a2744l.dat a370.dat a370l.dat mc257.dat mc257l.dat mc329.dat mc329l.dat mc416ne.dat mc416nel.dat mc416s.dat mc416sl.dat bullet.dat bulletl.dat mc940.dat mc940l.dat mc1206.dat mc1206l.dat rxj1347.dat rxj1347l.dat smc2031.dat smc2031l.dat smc2131.dat smc2131l.dat mc2214.dat mc2214l.dat>
Nomenclature: [RCL2021] ANNNN NNNNNa N=506+572. [RCL2021] MACSHHMM NNNNNa N=215+147+216+442+189. [RCL2021] MACS0416WW NNNNNa N=313+210. [RCL2021] Bullet NNNa N=130. [RCL2021] RXJ1347 NNNNNa N=542. [RCL2021] SMACSHHMM NNNa N=158+187. Fig. B.1, Table B.2: [RCL2021] MACS0257 NN.N N=81 among (Nos 1.1-1.5 to 25.1-25.2). Fig. B.1, Table B.3: [RCL2021] MACS0329 N.N N=14 among (Nos 1.1-1.4 to 9.1-9.2). Fig. B.1, Table B.4: [RCL2021] MACS0416 NNN.N N=199 among (Nos 1.1-1.3 to 100.1-100.3). Fig. B.1, Table B.5: [RCL2021] Bullet NN.N N=40 among (Nos 1.1-1.3 to 15.1-15.3). Fig. B.1, Table B.6: [RCL2021] MACS0940 N.N N=22 among (Nos 1.1-1.4 to 7.1-7.4). Fig. B.1, Table B.7: [RCL2021] MACS1206 NN.N N=113 among (Nos 1.1-1.3 to 37.1-37.3). Fig. B.1, Table B.8: [RCL2021] RXJ1347 NN.N N=121 among (Nos 1.1-1.3 to 41.1-41.3). Fig. B.1, Table B.9: [RCL2021] SMACS2031 NN.N N=46 among (Nos 1.1-1.3 to 13.1-13.3). Fig. B.1, Table B.10: [RCL2021] SMACS2131 NN.N N=22 among (Nos 1.1-1.4 to 11.1-11.5). Fig. 1, Table B.11: [RCL2021] MACS2214 NN.N N=46 among (Nos 1.1-1.2 to 17.4-17.5).
Simbad objects: 3710
