Search Results - "DeBattista, Victor P"

Revealing the cosmic evolution of boxy/peanut-shaped bulges from HST COSMOS and SDSS by Kruk, Sandor J, Erwin, Peter, Debattista, Victor P, Lintott, Chris

“…ABSTRACT Vertically thickened bars, observed in the form of boxy/peanut (B/P) bulges, are found in the majority of massive barred disc galaxies in the local…”
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The MUSE Atlas of Disks (MAD): resolving star formation rates and gas metallicities on <100 pc scales by Erroz-Ferrer, Santiago, Carollo, C Marcella, den Brok, Mark, Onodera, Masato, Brinchmann, Jarle, Marino, Raffaella A, Monreal-Ibero, Ana, Schaye, Joop, Woo, Joanna, Cibinel, Anna, Debattista, Victor P, Inami, Hanae, Maseda, Michael, Richard, Johan, Tacchella, Sandro, Wisotzki, Lutz

“…Abstract We study the physical properties of the ionized gas in local discs using the sample of 38 nearby ∼108.5–11.2 M⊙ Star-Forming Main-Sequence (SFMS)…”
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A UNIFIED FRAMEWORK FOR THE ORBITAL STRUCTURE OF BARS AND TRIAXIAL ELLIPSOIDS by Valluri, Monica, Shen, Juntai, Abbott, Caleb, Debattista, Victor P.

“…ABSTRACT We examine a large random sample of orbits in two self-consistent simulations of N-body bars. Orbits in these bars are classified both visually and…”
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Box/peanut-shaped bulges in action space by Debattista, Victor P, Liddicott, David J, Khachaturyants, Tigran, Beraldo e Silva, Leandro

“…ABSTRACT We introduce the study of box/peanut (B/P) bulges in the action space of the initial axisymmetric system. We explore where populations with different…”
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Riding the Spiral Waves: Implications of Stellar Migration for the Properties of Galactic Disks by Roškar, Rok, Debattista, Victor P, Quinn, Thomas R, Stinson, Gregory S, Wadsley, James

“…Stars in disks of spiral galaxies are usually assumed to remain roughly at their birth radii. This assumption is built into decades of modeling of the…”
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The COMBS Survey – III. The chemodynamical origins of metal-poor bulge stars by Lucey, Madeline, Hawkins, Keith, Ness, Melissa, Nelson, Tyler, Debattista, Victor P, Luna, Alice, Bensby, Thomas, Freeman, Kenneth C, Kobayashi, Chiaki

“…ABSTRACT The characteristics of the stellar populations in the Galactic bulge inform and constrain the Milky Way’s formation and evolution. The metal-poor…”
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THE GENESIS OF THE MILKY WAY'S THICK DISK VIA STELLAR MIGRATION by LOEBMAN, Sarah R, ROSKAR, Rok, DEBATTISTA, Victor P, IVEZIC, Zeljko, QUINN, Thomas R, WADSLEY, James

“…We compare the spatial, kinematic, and metallicity distributions of stars in the Milky Way disk, as observed by the Sloan Digital Sky Survey and…”
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Early-growing Supermassive Black Holes Strengthen Bars and Boxy/Peanut Bulges by Wheeler, Vance, Valluri, Monica, Beraldo e Silva, Leandro, Dattathri, Shashank, Debattista, Victor P.

“…Abstract Using N -body simulations, we explore the effects of growing a supermassive black hole (SMBH) prior to or during the formation of a stellar bar…”
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MEASURING THE MASS OF THE CENTRAL BLACK HOLE IN THE BULGELESS GALAXY NGC 4395 FROM GAS DYNAMICAL MODELING by Brok, Mark den, Seth, Anil C., Barth, Aaron J., Carson, Daniel J., Neumayer, Nadine, Cappellari, Michele, Debattista, Victor P., Ho, Luis C., Hood, Carol E., McDermid, Richard M.

“…ABSTRACT NGC 4395 is a bulgeless spiral galaxy, harboring one of the nearest known type 1 Seyfert nuclei. Although there is no consensus on the mass of its…”
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The structure behind the Galactic bar traced by red clump stars in the VVV survey by Gonzalez, Oscar A, Minniti, Dante, Valenti, Elena, Alonso-García, Javier, Debattista, Victor P, Zoccali, Manuela, Rejkuba, Marina, Dias, Bruno, Surot, Francisco, Hempel, Maren, Saito, Roberto K

“…ABSTRACT Red clump stars are commonly used to map the reddening and morphology of the inner regions of the Milky Way. We use the new photometric catalogues of…”
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Exploring the Evolution of Massive Clumps in Simulations That Reproduce the Observed Milky Way α-element Abundance Bimodality by Garver, Bethany R., Nidever, David L., Debattista, Victor P., Beraldo e Silva, Leandro, Khachaturyants, Tigran

“…Abstract The Milky Way (MW) stellar disk has both a thin and a thick component. The thin disk is composed mostly of younger stars (≲8 Gyr) with a lower…”
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A New Channel of Bulge Formation via the Destruction of Short Bars by Guo, Minghao, Du, Min, Ho, Luis C., Debattista, Victor P., Zhao, Dongyao

“…Short (inner) bars of subkiloparsec radius have been hypothesized to be an important mechanism for driving gas inflows to small scales, thus feeding central…”
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Orbital Support and Evolution of Flat Profiles of Bars (Shoulders) by Beraldo e Silva, Leandro, Debattista, Victor P., Anderson, Stuart Robert, Valluri, Monica, Erwin, Peter, Daniel, Kathryne J., Deg, Nathan

“…Abstract Many barred galaxies exhibit upturns (shoulders) in their bar-major-axis density profile. Simulation studies have suggested that shoulders are…”
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Constraining the role of star cluster mergers in nuclear cluster formation: simulations confront integral-field data by Hartmann, Markus, Debattista, Victor P., Seth, Anil, Cappellari, Michele, Quinn, Thomas R.

“…We present observations and dynamical models of the stellar nuclear clusters (NCs) at the centres of NGC 4244 and M33. We then compare these to an extensive…”
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Beta Dips in the Gaia Era: Simulation Predictions of the Galactic Velocity Anisotropy Parameter (β) for Stellar Halos by Loebman, Sarah R., Valluri, Monica, Hattori, Kohei, Debattista, Victor P., Bell, Eric F., Stinson, Greg, Christensen, Charlotte R., Brooks, Alyson, Quinn, Thomas R., Governato, Fabio

“…The velocity anisotropy parameter, β, is a measure of the kinematic state of orbits in the stellar halo, which holds promise for constraining the merger…”
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How Nested Bars Enhance, Modulate, and Are Destroyed by Gas Inflows by Li, Zhi, Du, Min, Debattista, Victor P., Shen, Juntai, Li, Hui, Liu, Jie, Vogelsberger, Mark, Beane, Angus, Marinacci, Federico, Sales, Laura V.

“…Abstract Gas flows in the presence of two independently rotating nested bars remain not fully understood but are likely to play an important role in fueling…”
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Beyond Inside-Out Growth: Formation and Evolution of Disk Outskirts by Roškar, Rok, Debattista, Victor P, Stinson, Gregory S, Quinn, Thomas R, Kaufmann, Tobias, Wadsley, James

“…We have performed a high mass and force resolution simulation of an idealized galaxy forming from dissipational collapse of gas embedded in a spherical dark…”
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Cold Dark Matter Substructure and Galactic Disks. II. Dynamical Effects of Hierarchical Satellite Accretion by Kazantzidis, Stelios, Zentner, Andrew R, Kravtsov, Andrey V, Bullock, James S, Debattista, Victor P

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The Causes of Halo Shape Changes Induced by Cooling Baryons: Disks versus Substructures by Debattista, Victor P, Moore, Ben, Quinn, Thomas, Kazantzidis, Stelios, Maas, Ryan, Mayer, Lucio, Read, Justin, Stadel, Joachim

“…Cold dark matter cosmogony predicts triaxial dark matter halos, whereas observations find quite round halos. This is most likely due to the condensation of…”
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The Secular Evolution of Disk Structural Parameters by Debattista, Victor P, Mayer, Lucio, Carollo, C. Marcella, Moore, Ben, Wadsley, James, Quinn, Thomas

“…We present a comprehensive series of simulations to study the secular evolution of disk galaxies expected in a CDM universe. Our simulations are organized in a…”
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