Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo by Vitale, Salvatore

“…<jats:p>Intermediate-mass black holes (IMBHs) span the approximate mass range 100−10<jats:sup>5</jats:sup> <jats:italic>M</jats:italic><jats:sub>⊙</jats:sub>, between black holes (BHs) that formed by stellar collapse and the supermassive BHs at the centers of galaxies. Mergers of IMBH binaries are the most energetic gravitational-wave sources accessible by the terrestrial detector network. …”
Get full text

Interacting Galaxies in the A901/902 Supercluster with STAGES by Heiderman, A, Jogee, S, Marinova, I, Kampen, E, Barden, M, Peng, C, Heymans, C, Gray, M, Bell, E, Bacon, D, Balogh, M, Barazza, F, Bohm, A, Caldwell, J, Haussler, B, Jahnke, K, Lane, K, McIntosh, D, Meisenheimer, K, Sanchez, S, Somerville, R, Taylor, A, Wisotzki, L, Wolf, C, Zheng, X

“…We present a study of galaxy mergers and the influence of environment in the Abell 901/902 supercluster at z~0.165. …”

Looking at the distant universe with the MeerKAT array: discovery of a luminous OH megamaser at z > 0.5 by Glowacki, M, Collier, JD, Kazemi-Moridani, A, Frank, B, Roberts, H, Darling, J, Kloeckner, H-R, Adams, N, Baker, AJ, Bershady, M, Blecher, T, Blyth, S-L, Bowler, R, Catinella, B, Chemin, L, Crawford, SM, Cress, C, Dave, R, Deane, R, de Blok, E, Delhaize, J, Duncan, K, Elson, E, February, S, Gawiser, E, Hatfield, P, Healy, J, Henning, P, Hess, KM, Heywood, I, Holwerda, BW, Hoosain, M, Hughes, JP, Hutchens, ZL, Jarvis, M, Kannappan, S, Katz, N, Keres, D, Korsaga, M, Kraan-Korteweg, RC, Lah, P, Lochner, M, Maddox, N, Makhathini, S, Meurer, GR, Meyer, M, Obreschkow, D, Oh, S-H, Oosterloo, T

“…In the local universe, OH megamasers (OHMs) are detected almost exclusively in infrared-luminous galaxies, with a prevalence that increases with IR luminosity, suggesting that they trace gas-rich galaxy mergers. Given the proximity of the rest frequencies of OH and the hyperfine transition of neutral atomic hydrogen (H i), radio surveys to probe the cosmic evolution of H i in galaxies also offer exciting prospects for exploiting OHMs to probe the cosmic history of gas-rich mergers. …”

COALAS: I. ATCA CO(1-0) survey and luminosity function in the Spiderweb protocluster at z=2.16 by Jin, S, Dannerbauer, H, Emonts, B, Serra, P, Lagos, CDP, Thomson, AP, Bassini, L, Lehnert, M, Allison, JR, Champagne, JB, Indermuehle, B, Norris, RP, Seymour, N, Shimakawa, R, Casey, CM, De Breuck, C, Drouart, G, Hatch, N, Kodama, T, Koyama, Y, Macgregor, P, Miley, G, Overzier, R, Perez-Martinez, JM, Rodriguez-Espinosa, JM, Roettgering, H, Sanchez Portal, M, Ziegler, B

“…Compared to other protoclusters, this structure contains a relatively higher number of CO emitters with relatively narrow line widths and high luminosities, indicating galaxy mergers. We used these CO emitters to place the first constraint on the CO luminosity function and molecular gas density in an overdense environment. …”

Baryon-induced Collapse of Dark Matter Cores into Supermassive Black Holes by C. R. Argüelles, J. A. Rueda, R. Ruffini

“…This process produces active galactic nuclei in galaxy mergers and the high-redshift Universe. For TXS 2116–077, merging with a nearby galaxy, the observed 3 × 10 ^7 M _⊙ SMBH, for ${Q}_{b}={\rho }_{b}/{v}_{b}^{3}=0.125{M}_{\odot }/{(100\,\mathrm{km}\,{{\rm{s}}}^{-1}\,\mathrm{pc})}^{3}$ , forms in ≈0.6 Gyr, consistent with the 0.5–2 Gyr merger timescale and younger jet. …”
Get full text

Advancing machine learning in astrophysics by Walmsley, M

“…Tidal features are a long-lasting signature of galaxy mergers, making them useful for measuring merger rates. …”

An integral-field spectroscopic study of low-powered radio galaxies by Warren, J

“…The KDCs found previously were observed to be large and contain old stellar populations and are the result of galaxy mergers. </p> <p>Some literature suggests that if the AGN is fuelled by accreted cold gas then it might be expected to form stars within the accretion disc. …”