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Despite recent observational efforts, unequivocal signs for the presence of intermediate-mass black holes (IMBHs) in globular clusters (GCs) have not been found yet. Especially when the presence of IMBHs is constrained through dynamical…

星系天体物理 · 物理学 2018-03-06 Ruggero de Vita , Michele Trenti , Morgan MacLeod

Intermediate mass black holes (IMBHs) with expected masses M_BH ~ 10^4 M_sun are thought to bridge the gap between stellar mass black holes (M_BH ~ 3 - 100 M_sun) and supermassive black holes found at the centre of galaxies (M_BH > 10^6…

星系天体物理 · 物理学 2015-06-04 F. Kirsten , W. H. T. Vlemmings

It has been suggested that an intermediate-massive black hole (IMBH) with mass $10^{3-5} M_\odot$ could fall into the galactic center (GC) and form a massive black hole binary (MBHB) with the central supermassive black hole, but current…

星系天体物理 · 物理学 2015-06-12 Xian Chen , F. K. Liu

The detection of intermediate mass black holes (IMBHs) in globular clusters has been hotly debated, with different observational methods delivering different outcomes for the same object. In order to understand these discrepancies, we…

星系天体物理 · 物理学 2017-08-23 Paolo Bianchini , Mark Norris , Glenn van de Ven , Eva Schinnerer

Many observed globular clusters (GCs) seem to show a central overabundance of mass whose nature has not yet fully understood. Indeed, it is not clear whether it is due to a central intermediate mass black hole (IMBH) or to a massive stellar…

星系天体物理 · 物理学 2016-06-23 Manuel Arca-Sedda

We have developed a new method for post-Newtonian, high-precision integration of stellar systems containing a super-massive black hole (SMBH), splitting the forces on a particle between a dominant central force and perturbations. We used…

天体物理学 · 物理学 2008-04-11 Ulf Löckmann , Holger Baumgardt

Recently, an intermediate-mass black hole (IMBH) candidate was announced in the Galactic globular cluster Omega Centauri. IMBHs at the lower end of the traditional mass range have also been detected through gravitational-wave transients,…

高能天体物理现象 · 物理学 2026-03-02 Miguel A. S. Martinez , Elena González Prieto , Frederic A. Rasio

It has been reported that there is an error in the figure in Dull et al. (1997, D97) that shows the radial M/L profile in Fokker-Planck models of M15. We discuss how this modifies the interpretation of our kinematical data. These imply the…

Intermediate-mass black holes (IMBHs) occupy the $ 10^2 - 10^5\,M_\odot $ range, but their existence remains poorly constrained. Only a few candidates have been suggested in dwarf galaxies, globular clusters, and LIGO-Virgo-Kagra…

星系天体物理 · 物理学 2025-10-10 Cristiano Ugolini

Intermediate mass black holes (IMBHs) are among the most elusive objects in contemporary astrophysics. Both theoretical and observational evidence of their existence is subject of debate. Conversely, both theory and observations confirm the…

星系天体物理 · 物理学 2015-06-11 Alberto Sesana , Nicola Sartore , Bernadetta Devecchi , Andrea Possenti

Using ground-based gravitational-wave detectors, we probe the mass function of intermediate-mass black holes (IMBHs) wherein we also include BHs in the upper mass gap $\sim 60-130~M_\odot$. Employing the projected sensitivity of the…

广义相对论与量子宇宙学 · 物理学 2022-01-25 Ajit Kumar Mehta , Alessandra Buonanno , Jonathan Gair , M. Coleman Miller , Ebraheem Farag , R. J. deBoer , M. Wiescher , F. X. Timmes

Intermediate-mass black holes (IMBHs) are of interest in a wide range of astrophysical fields. In particular, the possibility of finding them at the centers of globular clusters has recently drawn attention. IMBHs became detectable since…

星系天体物理 · 物理学 2015-05-28 N. Lützgendorf , M. Kissler-Patig , E. Noyola , B. Jalali , P. T. de Zeeuw , K. Gebhardt , H. Baumgardt

Black holes (BHs) with masses between 100 to 100,000 times the mass of the Sun ($\rm{M}_{\odot}$) are classified as intermediate-mass black holes (IMBHs), potentially representing a crucial link between stellar-mass and supermassive BHs.…

星系天体物理 · 物理学 2024-02-29 Abbas Askar , Vivienne F. Baldassare , Mar Mezcua

We study the Initial Mass Function (IMF) and host halo properties of Intermediate Mass Black Holes (IMBH, 10^{4-6} Msun) formed inside metal-free, UV illuminated atomic cooling haloes (virial temperature T_vir > 10^4 K) either via the…

星系天体物理 · 物理学 2015-06-22 A. Ferrara , S. Salvadori , B. Yue , D. R. G. Schleicher

In this paper, we address the question: What is the probability of stellar-mass black hole (BH) binaries co-existing in a globular cluster with an intermediate-mass black hole (IMBH)? Our results suggest that the detection of one or more BH…

太阳与恒星天体物理 · 物理学 2015-06-22 Nathan W. C. Leigh , Nora Luetzgendorf , Aaron M. Geller , Thomas J. Maccarone , Craig O. Heinke , Alberto Sesana

Theoretical models suggest that intermediate mass black holes (IMBHs) may form and reside in the centers of globular clusters. IMBHs are still elusive to observations, but the accelerations of pulsars may bring along a unique fingerprint of…

高能天体物理现象 · 物理学 2019-10-16 Federico Abbate , Andrea Possenti , Monica Colpi , Mario Spera

Here we investigate the possibility that some globular clusters (GCs) harbor intermediate mass black holes (BH) in their centers and are also embedded in a low-mass dark matter (DM) halo. Up to date, there is no evidence on whether or not…

高能天体物理现象 · 物理学 2020-08-19 Elaine C. F. S. Fortes , Oswaldo D. Miranda , Floyd W. Stecker , Carlos A. Wuensche

We present a new measurement of the stellar initial mass function (IMF) based on ultra-deep, high-resolution photometry of >5,000 stars in the outskirts of the Small Magellanic Cloud (SMC) galaxy. The Hubble Space Telescope (HST) Advanced…

We report the discovery of an active intermediate-mass black hole (IMBH) candidate in the center of nearby barred bulgeless galaxy $\rm NGC~3319$. The point X-ray source revealed by archival Chandra and XMM-Newton observations is spatially…

We present orbit-based dynamical models and stellar population analysis of galaxy SDSS J151741.75-004217.6, a low-redshift (z=0.116) early-type galaxy (ETG) which, for its moderate luminosity, has an exceptionally high velocity dispersion.…