Search Results - "Carlberg, Raymond G."

Globular Clusters in a Cosmological N-body Simulation by Carlberg, Raymond G.

“…Stellar dynamical model globular clusters are introduced into reconstituted versions of the dark matter halos of the Via Lactea II (VL-2) simulation to follow…”
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The Density Structure of Simulated Stellar Streams by Carlberg, Raymond G.

“…Star particles in a set of dense clusters are self-consistently evolved within an LCDM dark matter distribution with an n-body code. The clusters are started…”
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Subhalo Spreading of Thin Tidal Star Streams by Carlberg, Raymond G., Agler, Hayley

“…Abstract Dark matter subhalos that pass a thin tidal star stream change the velocities of the stars near the point of closest encounter. Subsequent orbital…”
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The Global Dynamical Atlas of the Milky Way Mergers: Constraints from Gaia EDR3–based Orbits of Globular Clusters, Stellar Streams, and Satellite Galaxies by Malhan, Khyati, Ibata, Rodrigo A., Sharma, Sanjib, Famaey, Benoit, Bellazzini, Michele, Carlberg, Raymond G., D’Souza, Richard, Yuan, Zhen, Martin, Nicolas F., Thomas, Guillaume F.

“…Abstract The Milky Way halo was predominantly formed by the merging of numerous progenitor galaxies. However, our knowledge of this process is still…”
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Butterfly in a Cocoon, Understanding the Origin and Morphology of Globular Cluster Streams: The Case of GD-1 by Malhan, Khyati, Ibata, Rodrigo A., Carlberg, Raymond G., Valluri, Monica, Freese, Katherine

“…Tidally disrupted globular cluster (GC) streams are usually observed, and therefore perceived, as narrow, linear, and one-dimensional structures in the 6D…”
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Tracing the formation of the Milky Way through ultra metal-poor stars by Sestito, Federico, Longeard, Nicolas, Martin, Nicolas F, Starkenburg, Else, Fouesneau, Morgan, González Hernández, Jonay I, Arentsen, Anke, Ibata, Rodrigo, Aguado, David S, Carlberg, Raymond G, Jablonka, Pascale, Navarro, Julio F, Tolstoy, Eline, Venn, Kim A

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Star Stream Velocity Distributions in Cold Dark Matter and Warm Dark Matter Galactic Halos by Carlberg, Raymond G., Jenkins, Adrian, Frenk, Carlos S., Cooper, Andrew P.

“…Abstract The dark matter subhalos orbiting in a galactic halo perturb the orbits of stars in thin stellar streams. Over time, the random velocities in the…”
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A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star-Black Hole Merger GW190814 by Vieira, Nicholas, Ruan, John J., Haggard, Daryl, Drout, Maria R., Nynka, Melania C., Boyce, Hope, Spekkens, Kristine, Safi-Harb, Samar, Carlberg, Raymond G., Fernández, Rodrigo, Piro, Anthony L., Afsariardchi, Niloufar, Moon, Dae-Sik

“…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star-black hole (NS-BH) merger GW190814/S190814bv. This…”
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The Canada-France Imaging Survey: Reconstructing the Milky Way Star Formation History from Its White Dwarf Population by Fantin, Nicholas J., Côté, Patrick, McConnachie, Alan W., Bergeron, Pierre, Cuillandre, Jean-Charles, Gwyn, Stephen D. J., Ibata, Rodrigo A., Thomas, Guillaume F., Carlberg, Raymond G., Fabbro, Sébastien, Haywood, Misha, Lançon, Ariane, Lewis, Geraint F., Malhan, Khyati, Martin, Nicolas F., Navarro, Julio F., Scott, Douglas, Starkenburg, Else

“…As the remnants of stars with initial masses 8 M , white dwarfs contain valuable information on the formation histories of stellar populations. In this paper,…”
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The Pristine Inner Galaxy Survey (PIGS) II: Uncovering the most metal-poor populations in the inner Milky Way by Arentsen, Anke, Starkenburg, Else, Martin, Nicolas F, Aguado, David S, Zucker, Daniel B, Allende Prieto, Carlos, Hill, Vanessa, Venn, Kim A, Carlberg, Raymond G, González Hernández, Jonay I, Mashonkina, Lyudmila I, Navarro, Julio F, Sánchez-Janssen, Rubén, Schultheis, Mathias, Thomas, Guillaume F, Youakim, Kris, Lewis, Geraint F, Simpson, Jeffrey D, Wan, Zhen, Cohen, Roger E, Geisler, Doug, O’Connell, Julia E

“…ABSTRACT Metal-poor stars are important tools for tracing the early history of the Milky Way, and for learning about the first generations of stars…”
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Pristine dwarf galaxy survey – I. A detailed photometric and spectroscopic study of the very metal-poor Draco II satellite by Longeard, Nicolas, Martin, Nicolas, Starkenburg, Else, Ibata, Rodrigo A, Collins, Michelle L M, Geha, Marla, Laevens, Benjamin P M, Rich, R Michael, Aguado, David S, Arentsen, Anke, Carlberg, Raymond G, Côté, Patrick, Hill, Vanessa, Jablonka, Pascale, González Hernández, Jonay I, Navarro, Julio F, Sánchez-Janssen, Rubén, Tolstoy, Eline, Venn, Kim A, Youakim, Kris

“…We present a detailed study of the faint Milky Way satellite Draco II (Dra II) from deep CFHT/MegaCam broad-band g and i photometry and narrow-band…”
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DISPERSAL OF TIDAL DEBRIS IN A MILKY-WAY-SIZED DARK MATTER HALO by Ngan, Wayne, Carlberg, Raymond G., Bozek, Brandon, Wyse, Rosemary F. G., Szalay, Alexander S., Madau, Piero

“…ABSTRACT We simulate the tidal disruption of a collisionless N-body globular star cluster in a total of 300 different orbits selected to have galactocentric…”
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The type Ia supernova SNLS-03D3bb from a super-Chandrasekhar-mass white dwarf star by Andrew Howell, D, Sullivan, Mark, Nugent, Peter E, Ellis, Richard S, Conley, Alexander J, Le Borgne, Damien, Carlberg, Raymond G, Guy, Julien, Balam, David, Basa, Stephane, Fouchez, Dominique, Hook, Isobel M, Hsiao, Eric Y, Neill, James D, Pain, Reynald, Perrett, Kathryn M, Pritchet, Christopher J

“…The accelerating expansion of the Universe, and the need for dark energy, were inferred from observations of type Ia supernovae. There is a consensus that type…”
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Cosmic Star Formation History and Its Dependence on Galaxy Stellar Mass by Juneau, Stéphanie, Glazebrook, Karl, Crampton, David, McCarthy, Patrick J, Savaglio, Sandra, Abraham, Roberto, Carlberg, Raymond G, Chen, Hsiao-Wen, Le Borgne, Damien, Marzke, Ronald O, Roth, Kathy, Jørgensen, Inger, Hook, Isobel, Murowinski, Richard

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Dynamical Simulations of the First Globular Clusters by Carlberg, Raymond G.

“…A Milky Way-like halo is simulated with tidally limited star clusters inserted in the dark matter halos present at high redshift. An n-body code augmented with…”
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Milky Way Halo Vibrations and Incommensurate Stream Velocities by Carlberg, Raymond G.

“…Collisionless dark matter galactic halos are expected to exhibit damped oscillations as a result of ongoing late time accretion. An n-body model of the…”
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Star Streams and the Assembly History of the Galaxy by Carlberg, Raymond G.

“…Thin halo star streams originate from the evaporation of globular clusters and therefore provide information about the early epoch globular cluster population…”
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Toward a Cosmological Hubble Diagram for Type II-P Supernovae by Nugent, Peter, Sullivan, Mark, Ellis, Richard, Gal-Yam, Avishay, Leonard, Douglas C, Howell, D. Andrew, Astier, Pierre, Carlberg, Raymond G, Conley, Alex, Fabbro, Sebastien, Fouchez, Dominique, Neill, James D, Pain, Reynald, Perrett, Kathy, Pritchet, Chris J, Regnault, Nicolas

“…We present the first high-redshift Hubble diagram for Type II-P supernovae (SNe II-P) based on five events at redshift up to z 6 0.3. This diagram was…”
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Simulating Globular Clusters in Dark Matter Subhalos by Carlberg, Raymond G., Keating, Laura C.

“…Abstract A cosmological zoom-in simulation that develops into a Milky Way-like halo begins at redshift 7. The initial dark matter distribution is seeded with…”
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The Dark Matter Halo of M54 by Carlberg, Raymond G., Grillmair, Carl J.

“…Abstract M54 is a prototype for a globular cluster embedded in a dark matter halo. Gaia Early Data Release 3 photometry and proper motions separate the old,…”
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