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  • The black Halietine bees of the Philippine Islands 
    Cockerell, T. D. A. (1919)
  • Black hole accretion and host galaxies of obscured quasars in XMM-COSMOS 
    Mainieri, V.; Bongiorno, A.; Merloni, A.; Aller, M.; Carollo, M.; Iwasawa, K.; Koekemoer, A. M.; Mignoli, M.; Silverman, J. D.; Bolzonella, M.; Brusa, M.; Comastri, A.; Gilli, R.; Halliday, C.; Ilbert, O.; Lusso, E.; Salvato, M.; Vignali, C.; Zamorani, G.; Contini, T.; Kneib, J. P.; Le Fèvre, O.; Lilly, S.; Renzini, A.; Scodeggio, M.; Balestra, I.; Bardelli, S.; Caputi, K.; Coppa, G.; Cucciati, O.; de la Torre, S.; de Ravel, L.; Franzetti, P.; Garilli, B.; Iovino, A.; Kampczyk, P.; Knobel, C.; Kova, K.; Lamareille, F.; Le Borgne, J. F.; Le Brun, V.; Maier, C.; Nair, P.; Pello, R.; Peng, Y.; Perez Montero, E.; Pozzetti, L.; Ricciardelli, E.; Tanaka, M.; Tasca, L.; Tresse, L.; Vergani, D.; Zucca, E.; Aussel, H.; Capak, P.; Cappelluti, N.; Elvis, M.; Fiore, F.; Hasinger, G.; Impey, C.; Le Floc'h, E.; Scoville, N.; Taniguchi, Y.; Trump, J. (2011)
    <br/> Aims: We explore the connection between black hole growth at the center of obscured quasars selected from the XMM-COSMOS survey and the physical properties of their host galaxies. We study a bolometric regime ( ? ...
  • Black hole accretion and star formation as drivers of gas excitation and chemistry in Markarian 231 
    van, der Werf; Isaak, K. G.; Meijerink, R.; Spaans, M.; Rykala, A.; Fulton, T.; Loenen, A. F.; Walter, F.; Weiß, A.; Armus, Lee; Fischer, J.; Israel, F. P.; Harris, A. I.; Veilleux, S.; Henkel, C.; Savini, G.; Lord, S.; Smith, Howard A.; González-Alfonso, E.; Naylor, D.; Aalto, Susanne; Charmandaris, Vassilis; Dasyra, K. M.; Evans, A.; Gao, Y.; Greve, T. R.; Güsten, R.; Kramer, C.; Martín-Pintado, J.; Mazzarella, J.; Papadopoulos, P. P.; Sanders, D. B.; Spinoglio, L.; Stacey, G.; Vlahakis, C.; Wiedner, M. C.; Xilouris, E. M. (2010)
    We present a full high resolution SPIRE FTS spectrum of the nearby ultraluminous infrared galaxy Mrk 231. In total 25 lines are detected, including CO J = 5-4 through J = 13-12, 7 rotational lines of H<SUB>2</SUB>O, 3 of ...
  • The Black Hole Candidate Swift J1728.9-3613 and the Supernova Remnant G351.9-0.9 
    Balakrishnan, Mayura; Draghis, Paul A.; Miller, Jon M.; Bright, Joe; Fender, Robert; Ng, Mason; Cackett, Edward; Fabian, Andrew; Kuntz, Kip; Miller-Jones, James C. A.; Proga, Daniel; Ray, Paul S.; Raymond, John; Reynolds, Mark; Zoghbi, Abderahmen (2023)
    A number of neutron stars have been observed within the remnants of the core-collapse supernova explosions that created them. In contrast, black holes are not yet clearly associated with supernova remnants (SNRs). Indeed, ...
  • Black hole feedback in the luminous quasar PDS 456 
    Nardini, E.; Reeves, J. N.; Gofford, J.; Harrison, F. A.; Risaliti, G.; Braito, V.; Costa, M. T.; Matzeu, G. A.; Walton, D. J.; Behar, E.; Boggs, S. E.; Christensen, F. E.; Craig, W. W.; Hailey, C. J.; Matt, G.; Miller, J. M.; O'Brien, P. T.; Stern, D.; Turner, T. J.; Ward, M. J. (2015)
    The evolution of galaxies is connected to the growth of supermassive black holes in their centers. During the quasar phase, a huge luminosity is released as matter falls onto the black hole, and radiation-driven winds can ...
  • Black Hole Flares: Ejection of Accreted Magnetic Flux through 3D Plasmoid-mediated Reconnection 
    Ripperda, B.; Liska, Matthew; Chatterjee, K.; Musoke, G.; Philippov, A. A.; Markoff, S. B.; Tchekhovskoy, A.; Younsi, Z. (2022)
    Magnetic reconnection can power bright, rapid flares originating from the inner magnetosphere of accreting black holes. We conduct extremely high-resolution (5376 Ã- 2304 Ã- 2304 cells) general-relativistic magnetohydrodynamics ...
  • Black hole growth and starburst activity at z = 0.6-4 in the Chandra Deep Field South. Host galaxies properties of obscured AGN 
    Brusa, Marcella; Fiore, F.; Santini, P.; Grazian, A.; Comastri, Andrea; Zamorani, G.; Hasinger, G.; Merloni, A.; Civano, Francesca; Fontana, A.; Mainieri, V. (2009)
  • Black hole magnetic fields and their imprint on circular polarization images 
    Ricarte, Angelo; Qiu, Richard; Narayan, Ramesh (2021)
    The circular polarization of black hole accretion flows can encode properties of the underlying magnetic field structure. Using general relativistic magnetohydrodynamic (GRMHD) simulations, we study the imprint of magnetic ...
  • A Black Hole Mass-Variability Timescale Correlation at Submillimeter Wavelengths 
    Bower, Geoffrey C.; Dexter, Jason; Markoff, Sera; Gurwell, Mark A.; Rao, Ramprasad; McHardy, Ian (2015)
    We analyze the light curves of 413 radio sources at submillimeter wavelengths using data from the Submillimeter Array calibrator database. The database includes more than 20,000 observations at 1.3 and 0.8 mm that span 13 ...
  • Black Hole or Meco: Decided by a thin Luminous Ring Structure Deep Within Quasar Q0957+561 
    Schild, R. E.; Leiter, Darryl J. (2010)
    Not Available
  • Black hole parameter estimation with synthetic very long baseline interferometry data from the ground and from space 
    Roelofs, Freek; Fromm, Christian M.; Mizuno, Yosuke; Davelaar, Jordy; Janssen, Michael; Younsi, Ziri; Rezzolla, Luciano; Falcke, Heino (2021)
    Context. The Event Horizon Telescope (EHT) has imaged the shadow of the supermassive black hole in M 87. A library of general relativistic magnetohydrodynamics (GMRHD) models was fit to the observational data, providing ...
  • Black hole spin and size of the X-ray-emitting region(s) in the Seyfert 1.5 galaxy ESO 362-G18 
    Agís-González, B.; Miniutti, G.; Kara, E.; Fabian, A. C.; Sanfrutos, M.; Risaliti, G.; Bianchi, S.; Strotjohann, N. L.; Saxton, R. D.; Parker, M. L. (2014)
    We report results from multi-epoch X-ray observations of the Seyfert 1.5 galaxy ESO 362-G18 performed between 2005 November and 2010 June. ESO 362-G18 generally exhibits the typical X-ray spectrum of type 1 active galactic ...
  • The Black Hole Spin and Soft X-Ray Excess of the Luminous Seyfert Galaxy Fairall 9 
    Lohfink, Anne M.; Reynolds, Christopher S.; Miller, Jon M.; Brenneman, Laura W.; Mushotzky, Richard F.; Nowak, Michael A.; Fabian, Andrew C. (2012)
    We present an analysis of all XMM-Newton and Suzaku X-ray spectra of the nearby luminous Seyfert galaxy Fairall 9. Confirming previous analyses, we find robust evidence for a broad iron line associated with X-ray reflection ...
  • Black Hole Spin via Continuum Fitting and the Role of Spin in Powering Transient Jets 
    McClintock, Jeffrey E.; Narayan, Ramesh; Steiner, James F. (2014)
    The spins of ten stellar black holes have been measured using the continuum-fitting method. These black holes are located in two distinct classes of X-ray binary systems, one that is persistently X-ray bright and another ...
  • Black hole to breakout: 3D GRMHD simulations of collapsar jets reveal a wide range of transients 
    Gottlieb, Ore; Lalakos, Aretaios; Bromberg, Omer; Liska, Matthew; Tchekhovskoy, Alexander (2022)
    We present a suite of the first 3D GRMHD collapsar simulations, which extend from the self-consistent jet launching by an accreting Kerr black hole (BH) to the breakout from the star. We identify three types of outflows, ...
  • Black Hole to Photosphere: 3D GRMHD Simulations of Collapsars Reveal Wobbling and Hybrid Composition Jets 
    Gottlieb, Ore; Liska, Matthew; Tchekhovskoy, Alexander; Bromberg, Omer; Lalakos, Aretaios; Giannios, Dimitrios; Mösta, Philipp (2022)
    Long-duration ?-ray bursts (GRBs) accompany the collapse of massive stars and carry information about the central engine. However, no 3D models have been able to follow these jets from their birth via black hole (BH) to ...
  • Black Holes and Neutron Stars in Nearby Galaxies: Insights from NuSTAR 
    Vulic, N.; Hornschemeier, A. E.; Wik, D. R.; Yukita, M.; Zezas, A.; Ptak, A. F.; Lehmer, B. D.; Antoniou, V.; Maccarone, T. J.; Williams, B. F.; Fornasini, F. M. (2018)
    Nearby galaxy surveys have long classified X-ray binaries (XRBs) by the mass category of their donor stars (high-mass and low-mass). The NuSTAR observatory, which provides imaging data at E &gt; 10 keV, has enabled the ...
  • Black holes and vacuum cleaners: Using metaphor, relevance, and inquiry in labels for space images 
    Smith, Lisa F.; Arcand, Kimberly Kowal; Smith, Benjamin K.; Smith, Randall K.; Bookbinder, Jay; Smith, Jeffrey K. (2017)
    This study extended research on the development of explanatory labels for astronomical images for the nonexpert lay public. The research questions addressed how labels with leading questions/metaphors and relevance to ...
  • Black holes up close 
    Narayan, Ramesh; Quataert, Eliot (2023)
    Recent developments have ushered in a new era in the field of black-hole astrophysics, providing a direct view of the remarkable environment near black-hole event horizons. These observations have enabled astronomers to ...
  • The Black Howler of Barro Colorado 
    Southwick, Charles H. (1955)

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