Stellar Metallicities from DECam $u$-band Photometry: A Study of Milky Way Ultra-Faint Dwarf Galaxies

Kavli Affiliate: Alexander P. Ji | First 5 Authors: Yue Pan, Anirudh Chiti, Alex Drlica-Wagner, Alexander P. Ji, Ting S. Li | Summary: We conducted an in-depth analysis of candidate member stars located in the peripheries of three ultra-faint dwarf (UFD) galaxy satellites of the Milky Way: Bo"otes I (Boo1), Bo"otes II (Boo2), and Segue […]


Continue.. Stellar Metallicities from DECam $u$-band Photometry: A Study of Milky Way Ultra-Faint Dwarf Galaxies

Milky Way-est: Cosmological Zoom-in Simulations with Large Magellanic Cloud and Gaia-Sausage-Enceladus Analogs

Kavli Affiliate: Risa H. Wechsler | First 5 Authors: Deveshi Buch, Ethan O. Nadler, Risa H. Wechsler, Yao-Yuan Mao, | Summary: We present Milky Way-est, a suite of 20 cosmological cold-dark-matter-only zoom-in simulations of Milky Way (MW)-like host halos. Milky Way-est hosts are selected such that they: ($i$) are consistent with the MW’s measured halo […]


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Milky Way-est: Cosmological Zoom-in Simulations with Large Magellanic Cloud and Gaia-Sausage-Enceladus Analogs

Kavli Affiliate: Risa H. Wechsler | First 5 Authors: Deveshi Buch, Ethan O. Nadler, Risa H. Wechsler, Yao-Yuan Mao, | Summary: We present Milky Way-est, a suite of 20 cosmological cold-dark-matter-only zoom-in simulations of Milky Way (MW)-like host halos. Milky Way-est hosts are selected such that they (i) are consistent with the MW’s measured halo […]


Continue.. Milky Way-est: Cosmological Zoom-in Simulations with Large Magellanic Cloud and Gaia-Sausage-Enceladus Analogs

Photon Counting Interferometry to Detect Geontropic Space-Time Fluctuations with GQuEST

Kavli Affiliate: Lee McCuller | First 5 Authors: Sander M. Vermeulen, Torrey Cullen, Daniel Grass, Ian A. O. MacMillan, Alexander J. Ramirez | Summary: The GQuEST (Gravity from the Quantum Entanglement of Space-Time) experiment uses tabletop-scale Michelson laser interferometers to probe for fluctuations in space-time. We present an interferometer design featuring a novel photon counting […]


Continue.. Photon Counting Interferometry to Detect Geontropic Space-Time Fluctuations with GQuEST

Photon Counting Interferometry to Detect Geontropic Space-Time Fluctuations with GQuEST

Kavli Affiliate: Lee McCuller | First 5 Authors: Sander M. Vermeulen, Torrey Cullen, Daniel Grass, Ian A. O. MacMillan, Alexander J. Ramirez | Summary: The GQuEST (Gravity from the Quantum Entanglement of Space-Time) experiment uses tabletop-scale Michelson laser interferometers to probe for fluctuations in space-time. We present a practicable interferometer design featuring a novel photon […]


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Geometric deformation and redshift structure caused by plane gravitational waves

Kavli Affiliate: Ke Wang | First 5 Authors: Ke Wang, Chao-Jun Feng, , , | Summary: The curved spacetime induced by gravitational waves can give rise to visual effects such as geometric distortions and redshift structures in the observed image. By establishing a mapping from the object’s surface coordinates to the observer’s screen coordinates, we […]


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Monitoring AGNs with H$β$ Asymmetry. IV. First Reverberation Mapping Results of 14 AGNs

Kavli Affiliate: Luis C. Ho | First 5 Authors: T. E. Zastrocky, Michael S. Brotherton, Pu Du, Jacob N. McLane, Kianna A. Olson | Summary: We report first-time reverberation mapping results for 14 AGNs from the ongoing Monitoring AGNs with H$beta$ Asymmetry campaign (MAHA). These results utilize optical spectra obtained with the Long Slit Spectrograph […]


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Searching for Cosmological Collider in the Planck CMB Data

Kavli Affiliate: E. P. S. Shellard | First 5 Authors: Wuhyun Sohn, Dong-Gang Wang, James R. Fergusson, E. P. S. Shellard, | Summary: In this paper, we present the first comprehensive CMB data analysis of cosmological collider physics. New heavy particles during inflation can leave imprints in the primordial correlators which are observable in today’s […]


Continue.. Searching for Cosmological Collider in the Planck CMB Data

Searching for Cosmological Collider in the Planck CMB Data

Kavli Affiliate: E. P. S. Shellard | First 5 Authors: Wuhyun Sohn, Dong-Gang Wang, James R. Fergusson, E. P. S. Shellard, | Summary: In this paper, we present the first comprehensive CMB data analysis of cosmological collider physics. New heavy particles during inflation can leave imprints in the primordial correlators which are observable in today’s […]


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Searching for short-period variables in M31: method and catalogs

Kavli Affiliate: Subo Dong | First 5 Authors: Hongrui Gu, Haibo Yuan, Subo Dong, Chenfa Zheng, Shenzhe Cui | Summary: Utilizing high-cadence and continuous g- and r-band data over three nights acquired from the 3.6-meter Canada France Hawaii Telescope (CFHT) aimed to find short-duration microlensing events, we conduct a systematic search for variables, transients, and […]


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