NOAO Fundamental Plane Survey. I. Survey design, redshifts, and velocity dispersion data by Smith, R, Hudson, M, Nelan, J, Moore, S, Quinney, S, Wegner, G, Lucey, JR, Davies, R, Malecki, J, Schade, D, Suntzeff, N

“…We introduce the NOAO Fundamental Plane Survey (NFPS), a wide-field imaging/spectroscopic study of rich, low-redshift galaxy clusters. The survey targets X-ray-selected clusters at 0.010 < z < 0.067, distributed over the whole sky, with imaging and spectroscopic observations obtained for 93 clusters. …”

The Evolution of AGN Activity in Brightest Cluster Galaxies by Somboonpanyakul, T., McDonald, M., Noble, A., Aguena, M., Allam, S., Amon, A., Andrade-Oliveira, F., Bacon, D., Bayliss, M. B., Bertin, E., Bhargava, S., Brooks, D., Buckley-Geer, E., Burke, D. L., Calzadilla, M., Canning, R., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Costanzi, M., da Costa, L. N., Pereira, M. E. S., De Vicente, J., Doel, P., Eisenhardt, P., Everett, S., Evrard, A. E., Ferrero, I., Flaugher, B., Floyd, B., García-Bellido, J., Gaztanaga, E., Gerdes, D. W., Gonzalez, A., Gruen, D., Gruendl, R. A., Gschwend, J., Gupta, N., Gutierrez, G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Hoyle, B., James, D. J., Jeltema, T., Khullar, G., Kim, K. J., Klein, M., Kuehn, K., Lima, M., Maia, M. A. G., Marshall, J. L., Martini, P., Melchior, P., Menanteau, F., Miquel, R., Mohr, J. J., Morgan, R., Ogando, R. L. C., Palmese, A., Paz-Chinchón, F., Pieres, A., Plazas Malagón, A. A., Reil, K., Romer, A. K., Ruppin, F., Sanchez, E., Saro, A., Scarpine, V., Schubnell, M., Serrano, S., Sevilla-Noarbe, I., Singh, P., Smith, M., Soares-Santos, M., Strazzullo, V., Suchyta, E., Swanson, M. E. C., Tarle, G., To, C., Tucker, D. L., Wilkinson, R. D.

“…These results are consistent with previous studies in galaxy clusters as well as as in field galaxies. One way to explain this result is that member galaxies at high redshift tend to have more cold gas. …”
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OPTICAL SPECTROSCOPY OF Hα FILAMENTS IN COOL CORE CLUSTERS: KINEMATICS, REDDENING, AND SOURCES OF IONIZATION by McDonald, Michael A., Veilleux, Sylvain, Rupke, David S. N.

“…We have obtained deep, high spatial and spectral resolution, long-slit spectra of the Hα nebulae in the cool cores of nine galaxy clusters. This sample provides a wealth of information on the ionization state, kinematics, and reddening of the warm gas in the cool cores of galaxy clusters. …”
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Unveiling the Dynamics of the Universe by Pedro Avelino, Tiago Barreiro, C. Sofia Carvalho, Antonio da Silva, Francisco S.N. Lobo, Prado Martín-Moruno, José Pedro Mimoso, Nelson J. Nunes, Diego Rubiera-García, Diego Sáez-Gómez, Lara Sousa, Ismael Tereno, Arlindo Trindade

“…Here, we review several observational probes—including gravitational lensing, galaxy clusters, cosmic microwave background temperature and polarization, supernova and baryon acoustic oscillations measurements—and their relevance in constraining our cosmological description of the Universe.…”
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Accurately simulating anisotropic thermal conduction on a moving mesh by Kannan, Rahul, Marinacci, Federico, Vogelsberger, Mark

“…The new implementation is suitable for studying important astrophysical phenomena, such as the conductive heat transport in galaxy clusters, the evolution of supernova remnants, or the distribution of heat from black hole-driven jets into the intracluster medium.…”
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The Atacama Cosmology Telescope: a measurement of the primordial power spectrum by Hlozek, R, Dunkley, J, Addison, G, Appel, J, Bond, JR, Carvalho, C, Das, S, Devlin, M, Dünner, R, Essinger-Hileman, T, Fowler, J, Gallardo, P, Hajian, A, Halpern, M, Hasselfield, M, Hilton, M, Hincks, A, Hughes, J, Irwin, K, Klein, J, Kosowsky, A, Marriage, T, Marsden, D, Menanteau, F, Moodley, K

“…Matter fluctuations inferred from the primordial temperature power spectrum evolve over cosmic time and can be used to predict the matter power spectrum at late times; we illustrate the overlap of the matter power inferred from CMB measurements (which probe the power spectrum in the linear regime) with existing probes of galaxy clustering, cluster abundances and weak lensing constraints on the primordial power. …”

Constraints on axion-like particles from non-observation of spectral modulations for X-ray point sources by Conlon, J, Day, F, Jennings, N, Krippendorf, S, Rummel, M

“…We extend previous searches for X-ray spectral modulations induced by ALP-photon conversion to a variety of new sources, all consisting of quasars or AGNs located in or behind galaxy clusters. We consider a total of seven new sources, with data drawn from the Chandra archive. …”

Weak-lensing mass calibration of the Atacama Cosmology Telescope equatorial Sunyaev-Zeldovich cluster sample with the Canada-France-Hawaii telescope stripe 82 survey by Battaglia, N, Leauthaud, A, Miyatake, H, Hasselfield, M, Gralla, M, Allison, R, Bond, J, Calabrese, E, Crichton, D, Devlin, M, Dunkley, J, Dünner, R, Erben, T, Ferrara, S, Halpern, M, Hilton, M, Hill, J, Hincks, A, Hložek, R, Huffenberger, K, Hughes, J, Kneib, J, Kosowsky, A, Makler, M, Marriage, T, Menanteau, F, Miller, L, Moodley, K, Moraes, B, Niemack, M, Page, L, Shan, H, Sehgal, N, Sherwin, B, Sievers, J, Sifón, C, Spergel, D, Staggs, S, Taylor, J, Thornton, R, Waerbeke, L, Wollack, E

“…We present weak lensing mass measurements from the Canada-France-Hawaii Telescope Stripe 82 Survey for galaxy clusters selected through their high signal-to-noise thermal Sunyaev-Zeldovich (tSZ) signal measured with the Atacama Cosmology Telescope (ACT). …”

Physics potential of the International Axion Observatory (IAXO)

“…At the same time, IAXO will have enough sensitivity to detect lower mass axions invoked to explain: 1) the origin of the anomalous "transparency" of the Universe to gamma-rays, 2) the observed soft X-ray excess from galaxy clusters or 3) some inflationary models. In addition, we review string theory axions with parameters accessible by IAXO and discuss their potential role in cosmology as Dark Matter and Dark Radiation as well as their connections to the above mentioned conundrums.…”
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Neutrino masses and beyond-ΛCDM cosmology with LSST and future CMB experiments by Mishra-Sharma, S, Alonso, D, Dunkley, J

“…We show how future CMB measurements can be combined with late-time measurements of galaxy clustering and cosmic shear from the Large Synoptic Survey Telescope to alleviate this degeneracy. …”

Future Science Prospects for AMI by Grainge, K, Alexander, P, Battye, R, Birkinshaw, M, Blain, A, Bremer, M, Bridle, S, Brown, M, Davis, R, Dickinson, C, Edge, A, Efstathiou, G, Fender, R, Hardcastle, M, Hatchell, J, Hobson, M, Jarvis, M, Maughan, B, McHardy, I, Middleton, M, Lasenby, A, Saunders, R, Savini, G, Scaife, A, Smith, G

“…The Small Array (AMI-SA; ten 3.7-m antennas) couples very well to Sunyaev-Zel'dovich features from galaxy clusters and to many Galactic features. The Large Array (AMI-LA; eight 13-m antennas) has a collecting area ten times that of the AMI-SA and longer baselines, crucially allowing the removal of the effects of confusing radio point sources from regions of low surface-brightness, extended emission. …”

A CMB Gibbs sampler for localized secondary anisotropies by Bull, P, Wehus, I, Eriksen, H, Ferreira, P, Fuskeland, U, Gorski, K, Jewell, J

“…Secondary effects that can be identified with individual objects, such as the thermal and kinetic Sunyaev-Zel'dovich (SZ) effects due to galaxy clusters, are difficult to unambiguously disentangle from foreground contamination and the primary CMB, which currently inhibits their use as precision cosmological probes. …”

On the APM power spectrum and the CMB anisotropy: Evidence for a phase transition during inflation? by Barriga, J, Gaztanaga, E, Santos, M, Sarkar, S

“…A possible such feature was identified in the power spectrum of galaxy clustering in the APM survey at the scale $k \sim 0.1 h$ Mpc^{-1} and it was shown that the secondary acoustic peaks in the power spectrum of the CMB anisotropy should consequently be suppressed. …”

α-attractor dark energy in view of next-generation cosmological surveys by García-García, C, Ruíz-Lapuente, P, Alonso, D, Zumalacárregui, M

“…We systematically account for the constraining power of SNIa from WFIRST, BAO from DESI and WFIRST, galaxy clustering and shear from LSST and Stage-4 CMB experiments. …”

Electron Reacceleration via Ion Cyclotron Waves in the Intracluster Medium by Aaron Tran, Lorenzo Sironi, Francisco Ley, Ellen G. Zweibel, Mario A. Riquelme

“…In galaxy clusters, the intracluster medium (ICM) is expected to host a diffuse, long-lived, and invisible population of “fossil” cosmic-ray electrons (CRe) with 1–100 MeV energies. …”
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Projected bounds on ALPs from Athena by Conlon, J, Day, F, Jennings, N, Krippendorf, S, Muia, F

“…Galaxy clusters represent excellent laboratories to search for Axion-Like Particles (ALPs). …”

Physics potential of the International Axion Observatory (IAXO) by Armengaud, E, Attie, D, Basso, S, Brun, P, Bykovskiy, N, Carmona, J, Castel, J, Cebrian, S, Cicoli, M, Civitani, M, Cogollos, C, Conlon, J, Costa, D, Dafni, T, Daido, R, Derbin, A, Descalle, M, Desch, K, Dratchnev, I, Doebrich, B, Dudarev, A, Ferrer-Ribas, E, Fleck, I, Galan, J, Galanti, G, Garrido, L, Gascon, D, Gastaldo, L, Germani, C, Ghisellini, G, Giannotti, M, Giomataris, I, Gninenko, S, Golubev, N, Graciani, R, Irastorza, I, Jakovcic, K, Kaminski, J, Krcmar, M, Krieger, C, Lakic, B, Lasserre, T, Laurent, P, Limousin, O, Lindner, A, Lomskaya, I, Lubsandorzhiev, B, Luzon, G, Marsh, M, Mergalejo, C, Mescia, F, Meyer, M, Miralda-Escude, J, Mirallas, H, Muratova, V, Navick, X, Nones, C, Notari, A, Nozik, A, Ortiz De Solorzano, A, Pantuev, V, Papaevangelou, T, Pareschi, G, Perez, K, Picatoste, E, Pivovaroff, M, Redondo, J, Ringwald, A, Roncadelli, M, Ruiz-Choliz, E, Ruz, J, Saikawa, K, Salvado, J, Samperiz, M, Schiffer, T, Schmidt, S, Schneekloth, U, Schott, M, Silva, H, Tagliaferri, G, Takahashi, F, Tavecchio, F, Ten Kate, H, Tkachev, I, Troitsky, S, Unzhakov, E, Vedrine, P, Vogel, J, Weinsheimer, C, Weltman, A, Yin, W

“…At the same time, IAXO will have enough sensitivity to detect lower mass axions invoked to explain: 1) the origin of the anomalous “transparency” of the Universe to gamma-rays, 2) the observed soft X-ray excess from galaxy clusters or 3) some inflationary models. In addition, we review string theory axions with parameters accessible by IAXO and discuss their potential role in cosmology as Dark Matter and Dark Radiation as well as their connections to the above mentioned conundrums.…”

Early high-resolution millimeter-wave maps from ToITEC by Golec J.

“…Upcoming observations will include selected proposals from the broader astronomy community in Mexico and the United States, as well as legacy surveys focused on mapping galactic molecular clouds, cold dust emission in local galaxies, polarized dust emission in filaments around star-forming regions, massive galaxy clusters, and distant obscured star-forming galaxies.…”
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Strong Gravitational Lensing of Gravitational Waves: A Review by Margherita Grespan, Marek Biesiada

“…Lensed GWs can be a test for general relativity, constrain mass distribution in galaxies or galaxy clusters, and provide cosmography information independently of the local cosmic ladders. …”
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Self-inhibiting thermal conduction in a high-β, whistler-unstable plasma by Komarov, S, Schekochihin, A, Churazov, E, Spitkovsky, A

“…For a turbulent plasma, the additional independent suppression by the mirror instability is capable of producing large total suppression factors (several tens in galaxy clusters) in regions with strong temperature gradients.…”