Results 251 to 260 of about 218,185 (279)

Topological Approach to Void Finding Applied to the SDSS Galaxy Map. [PDF]

Astrophys J
Aggarwal M, Tonegawa M, Appleby S, Park C, Periwal V.   +4 more
europepmc   +1 more source

A binary merger product as the direct progenitor of a Type II-P supernova

Niu* Z, Sun* N, Zapartas* E, Souropanis D, Cui Y, Maund JR, Andrews JJ, Briel MM, Fraser M, Gossage S, Kruckow MU, Liotine C, Liu Z, Srivas PM, Teng E, Wang X, Yang Y, Liu J.   +17 more
europepmc   +1 more source

Galaxy Tomography with the Gravitational Wave Background from Supermassive Black Hole Binaries

Chen Y.
europepmc   +1 more source

Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn

Fujimoto S, Ouchi M, Kohno K, Valentino F, Giménez-Arteaga C, Brammer G, Furtak L, Kohandel M, Oguri M, Pallottini A, Richard J, Zitrin A, Bauer F, Boylan-Kolchin M, Dessauges-Zavadsky M, Egami E, Finkelstein S, Ma Z, Smail I, Watson D, Hutchison T, Rigby J, Welch B, Ao Y, Bradley L, Caminha G, Caputi K, Espada D, Endsley R, Fudamoto Y, González-López J, Hatsukade B, Koekemoer A, Kokorev V, Laporte N, Lee M, Magdis G, Ono Y, Rizzo F, Shibuya T, Shimasaku K, Sun F, Toft S, Umehata H, Wang T, Yajima H.   +45 more
europepmc   +1 more source

Effect of galaxy mergers on star-formation rates [PDF]

Astronomy and Astrophysics, 2019
CONTEXT: Galaxy mergers and interactions are an integral part of our basic understanding of how galaxies grow and evolve over time. However, the effect that galaxy mergers have on star-formation rates (SFRs) is contested, with observations of galaxy ...
Sándor Kruk, Michael James Isles Brown, Maciej Bilicki   +2 more
exaly   +4 more sources

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Interactions and mergers of galaxies

Resonance, 2007
When two galaxies approach each other, we can witness the effects of the tidal forces on a gigantic scale. Peculiar features like galactic bridges and galactic tails may form, or the two galaxies may even merge into each other and form a single system. Merger of two spiral galaxies leads to the formation of an elliptical galaxy.
S M Alladin, S N Hasan
openaire   +1 more source

Black Holes in Galaxy Mergers

2006
Here we report on simulations which, for the first time, simultaneously track star formation and black hole growth, and associated feedback processes, during collisions of galaxies. We show that encounters and mergers of galaxies lead to strong nuclear gas inflows, fueling both powerful starbursts and rapid growth of central black holes.
Di Matteo, T., Springel, V., Hernquist, L.   +2 more
openaire   +2 more sources

Transformation of Galaxies by Mergers

2003
The variation of the structural and astrophysical properties of spiral galaxies through the Hubble classification is generally interpreted in terms of an evolutionary sequence. However, the physical mechanisms that could drive this evolution are not fully understood.
C. Scannapieco, P. B. Tissera
openaire   +1 more source

Interacting galaxies and mergers

Astrophysics and Space Science, 1993
A study of the merger time-scales of various types of interacting galaxies is conducted on the basis of the collisional theory. The results indicate that in the absence of halos, violently interacting galaxies merge in a time-scale of ~ 108 years; but the mildly interacting ones have merger time-scales from ~ 109 to 1010 years. However, in the presence
openaire   +1 more source

Galaxy Mergers and Interactions through Cosmic Time

2021
Christopher Conselice
exaly