Results 141 to 150 of about 643 (219)

The advection-dominated accretion flow+thin accretion disk model for two low-luminosity active galactic nuclei: M81 and NGC 4579 [PDF]

, 2009
Yadi Xu, Xinwu Cao
openalex   +1 more source

The cosmic ray ionization and γ-ray budgets of star-forming galaxies. [PDF]

Mon Not R Astron Soc, 2023
Krumholz MR, Crocker RM, Offner SSR.
europepmc   +1 more source

Variability-selected Low-luminosity Active Galactic Nuclei Candidates in the 7 Ms Chandra Deep Field-South [PDF]

, 2018
N. Ding, B. Luo, W. N. Brandt, M. Paolillo, G. Yang, B. D. Lehmer, O. Shemmer, D. P. Schneider, P. Tozzi, Y. Q. Xue, X. C. Zheng, Q. S. Gu, A. M. Koekemoer, C. Vignali, F. Vito, J. X. Wang   +15 more
openalex   +1 more source

A helium-burning white dwarf binary as a supersoft X-ray source. [PDF]

Nature, 2023
Greiner J, Maitra C, Haberl F, Willer R, Burgess JM, Langer N, Bodensteiner J, Buckley DAH, Monageng IM, Udalski A, Ritter H, Werner K, Maggi P, Jayaraman R, Vanderspek R.   +14 more
europepmc   +1 more source

Active galactic nuclei dust tori at low and high luminosities [PDF]

, 2007
S. F. Hönig, T. Beckert
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Possible nonstellar explanation for the unexpected brightness of the earliest galaxies observed by the James Webb Space Telescope. [PDF]

Sci Rep
Jacak JE.
europepmc   +1 more source

Discovery of five low-luminosity active galactic nuclei at the centre of the Perseus cluster [PDF]

, 2016
Songyoun Park, Jun Yang, J. B. R. Oonk, Z. Paragi   +3 more
openalex   +1 more source

Extreme properties of a compact and massive accreting black hole host in the first 500 Myr. [PDF]

Nat Commun
Tripodi R, Martis N, Markov V, Bradač M, Di Mascia F, Cammelli V, D'Eugenio F, Willott C, Curti M, Bhatt M, Gallerani S, Rihtaršič G, Singh J, Gaspar G, Harshan A, Judež J, Merida RM, Desprez G, Sawicki M, Goovaerts I, Muzzin A, Noirot G, Sarrouh GTE, Abraham R, Asada Y, Brammer G, Estrada-Carpenter V, Felicioni G, Fujimoto S, Iyer K, Mowla L, Strait V.   +31 more
europepmc   +1 more source

Electromagnetic counterparts to massive black-hole mergers. [PDF]

Living Rev Relativ, 2022
Bogdanović T, Miller MC, Blecha L.
europepmc   +1 more source

The size of broad-line regions of low-luminosity active galactic nuclei [PDF]

, 2006
X.-G. Zhang, D. Dultzin‐Hacyan, T.-G. Wang   +2 more
openalex   +1 more source