Search Results - "Necib, Lina"

DECIPHERING CONTRIBUTIONS TO THE EXTRAGALACTIC GAMMA-RAY BACKGROUND FROM 2 GeV TO 2 TeV by Lisanti, Mariangela, Mishra-Sharma, Siddharth, Necib, Lina, Safdi, Benjamin R.

“…ABSTRACT Astrophysical sources outside the Milky Way, such as active galactic nuclei and star-forming galaxies, leave their imprint on the gamma-ray sky as…”
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The Escape Velocity Profile of the Milky Way from Gaia DR3 by Roche, Cian, Necib, Lina, Lin, Tongyan, Ou, Xiaowei, Nguyen, Tri

“…Abstract The escape velocity profile of the Milky Way offers a crucial and independent measurement of its underlying mass distribution and dark matter (DM)…”
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Recursive Soft Drop by Dreyer, Frédéric A., Necib, Lina, Soyez, Gregory, Thaler, Jesse

“…A bstract We introduce a new jet substructure technique called Recursive Soft Drop, which generalizes the Soft Drop algorithm to have multiple grooming layers…”
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Synthetic Gaia DR3 Surveys from the FIRE Cosmological Simulations of Milky Way-mass Galaxies by Nguyen, Tri, Ou, Xiaowei, Panithanpaisal, Nondh, Shipp, Nora, Necib, Lina, Sanderson, Robyn, Wetzel, Andrew

“…Abstract The third data release (DR3) of Gaia has provided a fivefold increase in the number of radial velocity measurements of stars, as well as a stark…”
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Dissipative Dark Matter on FIRE. II. Observational Signatures and Constraints from Local Dwarf Galaxies by Shen, Xuejian, Hopkins, Philip F., Necib, Lina, Jiang, Fangzhou, Boylan-Kolchin, Michael, Wetzel, Andrew

“…Abstract We analyze the first cosmological baryonic zoom-in simulations of galaxies in dissipative self-interacting dark matter (dSIDM). The simulations…”
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The Observable Properties of Galaxy Accretion Events in Milky Way–like Galaxies in the FIRE-2 Cosmological Simulations by Horta, Danny, Cunningham, Emily C., Sanderson, Robyn E., Johnston, Kathryn V., Panithanpaisal, Nondh, Arora, Arpit, Necib, Lina, Wetzel, Andrew, Bailin, Jeremy, Faucher-Giguère, Claude-André

“…Abstract In the Λ-Cold Dark Matter model of the universe, galaxies form in part through accreting satellite systems. Previous works have built an understanding…”
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Evidence for a vast prograde stellar stream in the solar vicinity by Necib, Lina, Ostdiek, Bryan, Lisanti, Mariangela, Cohen, Timothy, Freytsis, Marat, Garrison-Kimmel, Shea, Hopkins, Philip F., Wetzel, Andrew, Sanderson, Robyn

“…Massive dwarf galaxies that merge with the Milky Way on prograde orbits can be dragged into the disk plane before being completely disrupted. Such mergers can…”
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Streams on FIRE: Populations of Detectable Stellar Streams in the Milky Way and FIRE by Shipp, Nora, Panithanpaisal, Nondh, Necib, Lina, Sanderson, Robyn, Erkal, Denis, Li, Ting S., Santistevan, Isaiah B., Wetzel, Andrew, Cullinane, Lara R., Ji, Alexander P., Koposov, Sergey E., Kuehn, Kyler, Lewis, Geraint F., Pace, Andrew B., Zucker, Daniel B., Bland-Hawthorn, Joss, Cunningham, Emily C., Kim, Stacy Y., Lilleengen, Sophia, Moreno, Jorge, Sharma, Sanjib

“…Abstract We present the first detailed comparison of populations of dwarf galaxy stellar streams in cosmological simulations and the Milky Way. In particular,…”
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An extended halo around an ancient dwarf galaxy by Chiti, Anirudh, Frebel, Anna, Simon, Joshua D., Erkal, Denis, Chang, Laura J., Necib, Lina, Ji, Alexander P., Jerjen, Helmut, Kim, Dongwon, Norris, John E.

“…The Milky Way is surrounded by dozens of ultrafaint (<10 5   L ☉ ) dwarf satellite galaxies 1 – 3 . They are the remnants of the earliest galaxies 4 , as…”
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The Imprint of Dark Matter on the Galactic Acceleration Field by Arora, Arpit, Sanderson, Robyn E., Chakrabarti, Sukanya, Wetzel, Andrew, Donlon, Thomas, Horta, Danny, Loebman, Sarah R., Necib, Lina, Oeur, Micah

“…Abstract Measurements of the accelerations of stars enabled by time-series extreme-precision spectroscopic observations, pulsar timing, and eclipsing binary…”
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Signatures of Tidal Disruption of the Hercules Ultrafaint Dwarf Galaxy by Ou 欧, Xiaowei 筱葳, Chiti, Anirudh, Shipp, Nora, Simon, Joshua D., Geha, Marla, Frebel, Anna, Mardini, Mohammad K., Erkal, Denis, Necib, Lina

“…Abstract The Hercules ultrafaint dwarf galaxy (UFD) has long been hypothesized to be tidally disrupting, yet no conclusive evidence has been found for tidal…”
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High-resolution Chemical Abundances of the Nyx Stream by Wang, Shuyu, Necib, Lina, Ji, Alexander P., Ou, Xiaowei, Lisanti, Mariangela, de los Reyes, Mithi A. C., Strom, Allison L., Truong, Mimi

“…Abstract Nyx is a nearby, prograde, and high-eccentricity stellar stream physically contained in the thick disk, but its origin is unknown. Nyx could be the…”
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Substructure at High Speed. II. The Local Escape Velocity and Milky Way Mass with Gaia eDR3 by Necib, Lina, Lin, Tongyan

“…Abstract Measuring the escape velocity of the Milky Way is critical in obtaining the mass of the Milky Way, understanding the dark matter velocity…”
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New angles on energy correlation functions by Moult, Ian, Necib, Lina, Thaler, Jesse

“…A bstract Jet substructure observables, designed to identify specific features within jets, play an essential role at the Large Hadron Collider (LHC), both for…”
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Inferred Evidence for Dark Matter Kinematic Substructure with SDSS-Gaia by Necib, Lina, Lisanti, Mariangela, Belokurov, Vasily

“…We use the distribution of accreted stars in Sloan Digital Sky Survey-Gaia DR2 to demonstrate that a nontrivial fraction of the dark matter halo within…”
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Substructure at High Speed. I. Inferring the Escape Velocity in the Presence of Kinematic Substructure by Necib, Lina, Lin, Tongyan

“…Abstract The local escape velocity provides valuable inputs to the mass profile of the galaxy, and requires understanding the tail of the stellar speed…”
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Substructure at High Speed. II. The Local Escape Velocity and Milky Way Mass with Gaia eDR3 by Necib, Lina, Lin, Tongyan

“…Abstract Measuring the escape velocity of the Milky Way is critical in obtaining the mass of the Milky Way, understanding the dark matter velocity…”
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Substructure at High Speed. I. Inferring the Escape Velocity in the Presence of Kinematic Substructure by Necib, Lina, Lin, Tongyan

“…The local escape velocity provides valuable inputs to the mass profile of the galaxy, and requires understanding the tail of the stellar speed distribution…”
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Dark matter density profiles in dwarf galaxies: linking Jeans modelling systematics and observation by Chang, Laura J., Necib, Lina

“…The distribution of dark matter in dwarf galaxies can have important implications on our understanding of galaxy formation as well as the particle physics…”
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Empirical Determination of Dark Matter Velocities Using Metal-Poor Stars by Herzog-Arbeitman, Jonah, Lisanti, Mariangela, Madau, Piero, Necib, Lina

“…The Milky Way dark matter halo is formed from the accretion of smaller subhalos. These sub-units also harbor stars-typically old and metal-poor-that are…”
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