Results 21 to 30 of about 7,672 (248)

Partial Tidal Disruptions of Main-sequence Stars by Intermediate-mass Black Holes

open access: yesThe Astrophysical Journal, 2023
We study close encounters of a 1 M _⊙ middle-age main-sequence star (modeled using MESA) with massive black holes through hydrodynamic simulations, and explore in particular the dependence of the outcomes on the black hole mass.
Fulya Kıroğlu   +5 more
doaj   +1 more source

Entropy of the Universe and Hierarchical Dark Matter

open access: yesEntropy, 2022
We discuss the relationship between dark matter and the entropy of the universe, with the premise that dark matter exists in the form of primordial black holes (PBHs) in a hierarchy of mass tiers. The lightest tier includes all PBHs with masses below one
Paul H. Frampton
doaj   +1 more source

Intermediate-Mass Black Hole Candidate ULXs [PDF]

open access: yesProceedings of the International Astronomical Union, 2005
In a subset of the most luminous of the so-called “ultra-luminous” X-ray sources in nearby galaxies, there is evidence for black holes with masses considerably higher than found in Galactic binaries. Apart from extremely high X-ray luminosities, cool disks found in the X-ray spectra of these sources and X-ray timing measurements form the basis for ...
openaire   +1 more source

CONSTRAINING INTERMEDIATE-MASS BLACK HOLES IN GLOBULAR CLUSTERS [PDF]

open access: yesThe Astrophysical Journal, 2013
30 pages, 8 figures, submitted to ...
Umbreit, Stefan, Rasio, Frederic A.
openaire   +2 more sources

Intermediate Mass Black Holes: Their Motion and Associated Energetics

open access: yesAdvances in High Energy Physics, 2014
There is a lot of current astrophysical evidence and interest in intermediate mass black holes (IMBH), ranging from a few hundred to several thousand solar masses.
C. Sivaram, Kenath Arun
doaj   +1 more source

Intermediate-mass black holes in binary-rich star clusters [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2019
AbstractThree-body interactions of stellar-mass binaries with intermediate mass black holes (IMBHs) in nuclei of globular clusters may produce specific features that may serve as an independent indicator of existence of the IMBHs. By means of direct N-body integrations we follow the dynamical evolution of globular clusters of moderate extension and ...
Ladislav Šubr   +2 more
openaire   +2 more sources

Looking for Intermediate-Mass Black Holes [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2010
A discussion of the entropy of the universe leads to the suggestion of very many intermediate-mass black holes between thirty and three hundred thousand solar masses in the halo. It is consistent with observations on wide binaries as well as microlensing and considerations of disk stability that such IMBHs constitute all cold dark ...
openaire   +2 more sources

GRAVITATIONAL WAVES FROM ECCENTRIC INTERMEDIATE-MASS BLACK HOLE BINARIES [PDF]

open access: yesThe Astrophysical Journal, 2009
Accepted for publication by ApJ ...
Amaro-Seoane, P.   +2 more
openaire   +3 more sources

Probing intermediate-mass black hole binaries

open access: yesScilight, 2023
Atom interferometers can observe the intermediate band of gravitational waves needed for the long-sought-after detection of merging intermediate-mass black hole binaries.
openaire   +1 more source

Primordial intermediate mass black holes as dark matter [PDF]

open access: yesInternational Journal of Modern Physics A, 2020
Among particle theory candidates for the dark matter constituents. Axions and WIMPs are the most popular. In this paper, we discuss these then focus on our preferred astrophysical candidate, the Primordial Intermediate Mass Black Holes in the acronym DM[Formula: see text]=[Formula: see text]PIMBHs.
openaire   +2 more sources

Home - About - Disclaimer - Privacy