Search Results - "Valluri, Monica"

Figure Rotation of IllustrisTNG Halos by Ash, Neil, Valluri, Monica

“…Abstract We use the TNG50 and TNG50 dark matter (DM)-only simulations from the IllustrisTNG simulation suite to conduct an updated survey of halo figure…”
Get full text

A New Implementation of the Schwarzschild Method for Constructing Observationally Driven Dynamical Models of Galaxies of All Morphological Types by Vasiliev, Eugene, Valluri, Monica

“…We present Forstand, a new code for constructing dynamical models of galaxies with the Schwarzschild orbit-superposition method. These models are constrained…”
Get full text

Reverberation Mapping of IC 4329A by Bentz, Misty C., Onken, Christopher A., Street, Rachel, Valluri, Monica

“…Abstract We present the results of a new reverberation mapping campaign for the broad-line active galactic nucleus (AGN) in the edge-on spiral IC 4329A…”
Get full text

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…”
Get full text

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…”
Get full text

Robotic Reverberation Mapping of the Southern Seyfert NGC 3783 by Bentz, Misty C., Street, Rachel, Onken, Christopher A., Valluri, Monica

“…We present spectroscopic and photometric monitoring of NGC 3783 conducted throughout the first half of 2020. Time delays between the continuum variations and…”
Get full text

Using action space clustering to constrain the recent accretion history of Milky Way-like galaxies by Wu, Youjia, Valluri, Monica, Panithanpaisal, Nondh, Sanderson, Robyn E, Freese, Katherine, Wetzel, Andrew, Sharma, Sanjib

“…ABSTRACT In the currently favoured cosmological paradigm galaxies form hierarchically through the accretion of satellites. Since a satellite is less massive…”
Get full text

The Lower Limit of Dynamical Black Hole Masses Detectable in Virgo Compact Stellar Systems Using the JWST/NIRSpec IFU by Tahmasebzadeh, Behzad, Lapeer, Andrew, Vasiliev, Eugene, Valluri, Monica, Taylor, Matthew A., Thompson, Solveig

“…Abstract Due to observational challenges, the mass function of black holes (BH) at lower masses is poorly constrained in the local universe. Understanding the…”
Get full text

Velocity-resolved Reverberation Mapping of NGC 3227 by Bentz, Misty C., Markham, Madison, Rosborough, Sara, Onken, Christopher A., Street, Rachel, Valluri, Monica, Treu, Tommaso

“…Abstract We describe the results of a new reverberation mapping program focused on the nearby Seyfert galaxy NGC 3227. Photometric and spectroscopic monitoring…”
Get full text

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…”
Get full text

The Mass of the Black Hole in NGC 5273 from Stellar Dynamical Modeling by Merrell, Katie A., Vasiliev, Eugene, Bentz, Misty C., Valluri, Monica, Onken, Christopher A.

“…Abstract We present a new constraint on the mass of the black hole in the active S0 galaxy NGC 5273. Due to the proximity of the galaxy at 16.6 ± 2.1 Mpc, we…”
Get full text

Schwarzschild dynamical model of the Fornax dwarf spheroidal galaxy by Kowalczyk, Klaudia, del Pino, Andrés, Łokas, Ewa L, Valluri, Monica

Get full text

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…”
Get full text

Orbital Support and Evolution of CX/OX Structures in Boxy/Peanut Bars by Tahmasebzadeh, Behzad, Dattathri, Shashank, Valluri, Monica, Shen, Juntai, Zhu, Ling, Wheeler, Vance, Gerhard, Ortwin, Kataria, Sandeep Kumar, Beraldo e Silva, Leandro, Daniel, Kathryne J.

“…Abstract Barred galaxies exhibit boxy/peanut or X-shapes (BP/X) protruding from their disks in edge-on views. Two types of BP/X morphologies exist depending on…”
Get full text

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…”
Get full text

THE BLACK HOLE MASS OF NGC 4151. II. STELLAR DYNAMICAL MEASUREMENT FROM NEAR-INFRARED INTEGRAL FIELD SPECTROSCOPY by Onken, Christopher A, Valluri, Monica, Brown, Jonathan S, McGregor, Peter J, Peterson, Bradley M, Bentz, Misty C, Ferrarese, Laura, Pogge, Richard W, Vestergaard, Marianne, Storchi-Bergmann, Thaisa, Riffel, Rogemar A

“…We present a revised measurement of the mass of the central black hole (M sub(BH)) in the Seyfert 1 galaxy NGC 4151. When our models attempt to fit both the…”
Get full text

The orbital evolution induced by baryonic condensation in triaxial haloes by Valluri, Monica, Debattista, Victor P., Quinn, Thomas, Moore, Ben

“…Using spectral methods, we analyse the orbital structure of prolate/triaxial dark matter (DM) haloes in N-body simulations in an effort to understand the…”
Get full text

The Low End of the Supermassive Black Hole Mass Function: Constraining the Mass of a Nuclear Black Hole in NGC 205 via Stellar Kinematics by Valluri, Monica, Ferrarese, Laura, Merritt, David, Joseph, Charles L

“…Hubble Space Telescope (HST) images and spectra of the nucleated dwarf elliptical galaxy NGC 205 are combined with three-integral axisymmetric dynamical models…”
Get full text

HALO ORBITS IN COSMOLOGICAL DISK GALAXIES: TRACERS OF FORMATION HISTORY by Valluri, Monica, Debattista, Victor P, Stinson, Gregory S, Bailin, Jeremy, Quinn, Thomas R, Couchman, H M P, Wadsley, James

“…We analyze the orbits of stars and dark matter particles in the halo of a disk galaxy formed in a cosmological hydrodynamical simulation. The halo is oblate…”
Get full text

A New Implementation of the Schwarzchild Method for Constructing Observationally Driven Dynamical Models of Galaxies of all Morphological Types by Vasiliev, Eugene, Valluri, Monica

“…We present Forstand, a new code for constructing dynamical models of galaxies with the Schwarzschild orbit-superposition method. These models are constrained…”
Get full text