15 citations · 22 across the 13 of their papers we have counts for
13 papers
DREAMS.II. Galaxy Demographics from Direct Te-Based Metallicities at z~2-10: Tracing the Evolution of the Mass-Metallicity and Fundamental Relations
Moka Nishigaki, Kimihiko Nakajima, Masami Ouchi +6
We present the statistics of line ratios and direct Te-based metallicities from JWST medium-resolution spectra of 292 galaxies at z=2-10, combining DREAMS observations with those o…
Machine Learning the Dark Matter Halo Mass of the Milky Way
Elaheh Hayati, Peter Behroozi, Ekta Patel +3
Although numerous dynamical techniques have been developed to estimate the total dark matter halo mass of the Milky Way, it remains poorly constrained, with typical systematic unce…
The Ray Tracing Sampler: Bayesian Sampling of Neural Networks for Everyone
Peter Behroozi
We derive a family of Markov Chain Monte Carlo (MCMC) sampling methods based on following ray paths in a medium where the refractive index is a function of the desired likel…
Halo Properties from Observable Measures of Environment: II. Central versus Satellite Classification
Haley Bowden, Peter Behroozi
A physical understanding of galaxy formation and evolution benefits from an understanding of the connections between galaxies, their host dark matter halos, and their environments.…
Characterizing the host galaxies and delay times of Ca-rich gap transients vs 91bg-like SNe and normal Type Ia SNe
Peter Scherbak, Abigail Polin, Mansi Kasliwal +4
Calcium-rich gap transients are a faint, fast-evolving class of supernovae that show strong nebular Ca emission lines. Their progenitor systems are uncertain, but they are often as…
A Promise for the JWST era: Massive black holes directly collapsed from wave dark matter haloes, and Star formation in and around their accretion flows
Xiaobo Dong, Yongda Zhu, Marcia Rieke +7
There are several puzzling phenomena from recent JWST observations, which seem to push the standard ΛCDM cosmology over the edge. All those puzzles can be understood in a coherent…
Lonely Little Red Dots: Challenges to the AGN-nature of little red dots through their clustering and spectral energy distributions
María Carranza-Escudero, Christopher J. Conselice, Nathan Adams +31
Observations with the James Webb Space Telescope (JWST) reveal a previously unseen population of compact red objects, known as ``little red dots`` (LRDs). We study a new photometri…
Insights into the dependence of galaxy properties on the environment with explainable machine learning models
Shun-ya S. Uchida, Suchetha Cooray, Atsushi J. Nishizawa +2
Galaxies reside within dark matter halos, but their properties are influenced not only by their halo properties but also by the surrounding environment. We construct an interpretab…
SAPPHIRES: A Galaxy Over-Density in the Heart of Cosmic Reionization at
Yoshinobu Fudamoto, Jakob M. Helton, Xiaojing Lin +17
We report the discovery of a galaxy proto-cluster candidate (dubbed MACS0416-OD-z8p5) at a spectroscopic redshift of , dating back to Myr after the Big Bang. Th…
Where do High-Velocity Dark Matter Particles come from in the Milky Way?
Aidan DeBrae, Peter Behroozi, Nicolas Garavito-Camargo
High-velocity particles ( ) in the Milky Way are rare but nonetheless important to characterize due to their impact on dark matter (DM) direct detection experimen…
MPI-Rockstar: a Hybrid MPI and OpenMP Parallel Implementation of the Rockstar Halo finder
Tomoyuki Tokuue, Tomoaki Ishiyama, Ken Osato +2
MPI-Rockstar is a massively parallel halo finder based on the Rockstar phase-space temporal halo finder code, which is one of the most extensively used halo finding codes. Compared…
TRINITY VI: Connection between Galaxy Star Formation Rates and Supermassive Black Hole Accretion Rates from z=0-10
Haowen Zhang, Peter Behroozi, Marta Volonteri +6
We infer supermassive black hole (SMBH) accretion rates and Eddington ratios as a function of SMBH/host galaxy mass and redshift with the empirical TRINITY model of dark matter hal…
Optical alignment of contamination-sensitive Far-Ultraviolet spectrographs for Aspera SmallSat mission
Aafaque R. Khan, Erika Hamden, Haeun Chung +48
Aspera is a NASA Astrophysics Pioneers SmallSat mission designed to study diffuse OVI emission from the warm-hot phase gas in the halos of nearby galaxies. Its payload consists of…