Results 211 to 220 of about 2,437 (246)

Optical Emission from Luminous and Very Soft X-Ray Sources in Nearby Galaxies: Testing the Scenario of Edge-on Supercritical Accretion Systems

Xiaohong Tang, Hua Feng
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Extended hot dust emission around the earliest massive quiescent galaxy

Ji Z, Williams C, Rieke G, Lyu J, Alberts S, Sun F, Helton J, Rieke M, Shivaei I, D'Eugenio F, Tacchella S, Robertson B, Zhu Y, Maiolino R, Bunker A, Sun Y, Willmer C.   +16 more
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Black hole jets on the scale of the Cosmic Web

Oei MS, Hardcastle MJ, Timmerman R, Gast AR, Botteon A, Rodriguez AC, Stern D, Rivera GC, Weeren RJv, Röttgering HJ, Intema HT, de Gasperin F, Djorgovski S.   +12 more
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An Abrupt Change in the Disk Fraction of Free-Floating Planets at the Deuterium-Burning Ignition Limit

Rodrigues T, Bouy H, Raymond S, Martín E, Bertin E, Romero JO, Barrado D, Huélamo N, Tamura M, Roig NM, Galli P, Cuillandre J.   +11 more
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A Faint Progenitor System for the Faint Supernova 2024vjm

Zimmerman E, Gal-Yam A, Groot P, Ofek E, Roestel Jv, Pastorello A, Valenti S, Ravi A, Chen P, Schulze S, Blagorodnova N, Wavasseur M, Gómez-Muñoz M, Tranin H, de Wet S, Leloudas G, Vreeswijk P, Kwok L, Schwab M, Jha S, Maguire K, Sand D, Stringer E, Kupfer T, Faran T, Anderson J, Andrews J, Andrews M, Badash A, Bloemen S, Bostroem K, Chen T, Valle MD, Dimitriadis G, Dong Y, Farah J, Gillanders J, Godson B, Gromadzki M, Hiramatsu D, Hoang E, Howell D, Janzen D, Kuncarayakti H, Li J, Lyman J, Maeda K, Magee M, Mehta D, Milligan A, Moran S, Ni YQ, O’Neill D, Pearson J, Pieterse D, Pignata G, Reguitti A, Reichart D, Retamal NM, Santos R, Scaringi S, Shrestha M, Srivastav S, Stoppa F, Subrayan B, Valerin G, Wang X, Wynn K, Yaron O, Zang W.   +69 more
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Counterrotating Galaxies and Accretion Disks

Annals of the New York Academy of Sciences, 1998
ABSTRACT:Theoretical interest in astrophysical disks with counterrotating components of stars and/or gas has been stimulated by recently discovered counterrotating spiral and S0 galaxies. A variety of physical processes can occur in counterrotating disks.
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Are galaxies due to accretion?

Astronomische Nachrichten, 1985
AbstractBurnt‐out Population III remnants are thought to have acted as protogalactic seeds. Once tepid pancakes have formed such seeds (≈106 M⊙) could be subject to considerable growing by quasi‐stationary accretion.
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Mass accretion by the nuclei of disk galaxies

Astrophysics and Space Science, 1984
In this work a model has been proposed to explain how the nucleus of a Galaxy can accumulate mass and becomes supermassive — ultimately giving way to gravitational instability leading to an explosion in the nucleus. The process may be repeated many times during the life-span of a Galaxy.
Anuradha Saha, Tara Bhattacharyya, B. Basu   +2 more
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Accretion Disks in the Centers of Galaxies

1988
We discuss the problems of α-accretion disks in soft potential wells of the centers of galaxies. If matter is fed into the disk only from large radii, accretion is very inefficient, as there is no shear that could drive it. If on the other hand matter falls into the disk at all radii, the disk may become so massive that it can change the potential, and
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