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For a detailed agenda go here. Contact [email protected] to RSVP. August 5, 2021 Kasey Wagoner: Opening Remarks August 5, 2021 Stephon Alexander: Message from the President …

CCA/CUNY/AMNH Intern Symposium Join organizers Kelle Cruz, Tim Paglione, and Greg Bryan for the CCA/CUNY/AMNH Intern Symposium at the Flatiron Institute Wednesday, August 4 …

Title: Astrochemistry and the Compositions of Planets Abstract: Planets form in disks around young stars. The resulting planet compositions are intimately linked to the disk chemical structures; the …

Title: The Local Gaseous Universe Abstract: The gas in galaxies dictates the fate of their star formation and their total baryon census. In this talk, I will discuss …

Spring 2021 Date Name Title January 29, 2021 Mike Blanton TBD February 5, 2021 Nick Battaglia TBD February 12, 2021 Andrei Beloborodov TBD February 26, 2021 Lam Hui …

Title: ”Testing gravity with large scale structure” Abstract: Upcoming cosmological surveys, including DESI, Euclid, Rubin LSST and Roman and Simons Observatory and CMB-S4 will provide a wealth …

Title: How much control does dark matter have over galaxy formation? Abstract: We know that the formation of halos and galaxies are correlated— more massive galaxies grow in …

Title: New Probes of Old Structure: Cosmology with 21cm Intensity Mapping Abstract: Current cosmological measurements have left us with deep questions about our Universe: What caused the expansion …

Spring 2021 Date Name Title January 29, 2021 Mike Blanton TBD February 5, 2021 Nick Battaglia TBD February 12, 2021 Andrei Beloborodov TBD February 26, 2021 Lam Hui …

Title: Wave Dark Matter Abstract: A dark matter candidate lighter than about 30 eV exhibits wave behavior in a typical galactic environment. Examples include the QCD axion as …

Title: Entropic forces from noisy training in overparameterized neural networks Abstract: Stochastic gradient descent (SGD) forms the core optimization method for deep neural networks. While some theoretical progress …

Title: Decoding Galactic Architects: What Can We Learn About AGN From The Things In Them? March 12, 2021 Barry McKernan: Decoding Galactic Architects: What Can We Learn About …

For more information go here. March 9, 2021 Yao-Yuan Mao: Fundamental Physics of Dark Matter from Dwarf Galaxy Surveys

Title: Alfven Wave Damping and Heating in the Solar Corona Abstract: Understanding the heating of the solar corona has been considered one of the major problems in astrophysics …

Spring 2021 Date Name Title January 29, 2021 Mike Blanton TBD February 5, 2021 Nick Battaglia TBD February 12, 2021 Andrei Beloborodov TBD February 26, 2021 Lam Hui …

February 26, 2021 2020 Pre-Doctoral Symposium

For more information go here. February 25, 2021 Probing Fundamental Physics With Gravitational Waves

For more information go here. February 23, 2021 Alice Pisani: Precision Cosmology with Cosmic Voids

February 22, 2021 Streams 21 – Day 1: Milky Way Streams and Substructure February 23, 2021 Streams 21 – Day 2: Large-Scale Constraints on Dark Matter February 24, 2021 …

Title: Constructing a Factory for Predicting Merger Rates of Black Hole Pairs Abstract: In this talk, I will briefly review the general three-body problem and its present …

Title: Magnetic power in the universe of bright transients Abstract: Sudden release of magnetic energy is a prominent phenomenon in time-domain astrophysics. It is invoked in a …

Title: Unlocking Multiphase Galactic Gas Flows Abstract: Multiphase gas flows are ubiquitous in and around galaxies, and are responsible for regulating star formation and black hole growth. During …

Title: Constraining Galaxy Formation and Baryonic Effects on LSS with Observations of the Thermal and Kinetic Sunyaev-Zeldovich Effects Abstract: A new window into the growth and evolution …

Supermassive black holes in some active galaxies’ centers create powerful jets of radiation and plasma particles that move close to the speed of light. The answers to the …

Spring 2021 Date Name Title January 29, 2021 Mike Blanton TBD February 5, 2021 Nick Battaglia TBD February 12, 2021 Andrei Beloborodov TBD February 26, 2021 Lam Hui …

Title: Galaxies Near and Far with the Sloan Digital Sky Survey Abstract: I will discuss the recent work of the Sloan Digital Sky Survey on cosmology and galaxy …

Title: The Sun in Time and Other Mysteries Abstract: The theory of stellar structure and evolution is quite successful in predicting the evolution of stars like the Sun …

Contact [email protected] if interested in joining.

Contact [email protected] if interested in joining

Contact [email protected] if interested in joining.

Contact [email protected] if interested in joining.

Spring 2021 Date Name Title January 29, 2021 Mike Blanton TBD February 5, 2021 Nick Battaglia TBD February 12, 2021 Andrei Beloborodov TBD February 26, 2021 Lam Hui …

Title: Non-linear Black Hole Ringdown Abstract: Several problems will benefit from a detailed understanding of the dynamics of perturbed Kerr black holes beyond linear order. These include …

Topic: Making Use of Imaged Spotted Stellar Surfaces Abstract: For stars with convective outer layers, stellar magnetism manifests as dark starspots–localized regions of stifled convection. Starspots affect …

… grid, Where do galaxies get their spin from? December 11, 2020 John ZuHone: Astrophysical Simulation Analysis with yt: Examples Using Galaxy Cluster Simulations

Fall 2020 Date Name Title 9/18/20 Marilena Loverde Mining The Cosmic Web 9/25/20 Stephon Alexander The Story of a Halo: Chern-Simons Theory, Cosmic …

Title: Insights into searches for the nanohertz gravitational-wave background with a Fisher analysis Abstract: Within the next several years pulsar timing arrays (PTAs) are positioned to detect …

Title: Non-Gibbs Statistical Equilibrium of Star Clusters Abstract: Gibbs distribution is thought to be valid for all real world many-body systems in statistical equilibrium. Stellar dynamics …

Fall 2020 Date Name Title 9/18/20 Marilena Loverde Mining The Cosmic Web 9/25/20 Stephon Alexander The Story of a Halo: Chern-Simons Theory, Cosmic …

Title: Tidal Sculpting of Short-Period Exoplanets Abstract: Multiple-planet systems composed of close-in super-Earth/sub-Neptune-sized planets are ubiquitous, representing the dominant outcome of …

Topic: Modeling the clustering of matter on large scales: progress and recent results October 23, 2020 Matias Zaldarriaga: Modeling the clustering of matter on large scales: progress and …

Title: AGN disks have things in them–and those things are important Abstract: Active Galactic Nuclei (AGN) have usually been modeled and conceptualized solely in terms of their …

Title: Let The Great World Spin: Revealing the Turbulent, Stormy Atmospheres of Giant Planet Analogs Abstract: Brown dwarfs act as powerful analogs to the directly-imaged exoplanets, with …

Fall 2020 Date Name Title 9/18/20 Marilena Loverde Mining The Cosmic Web 9/25/20 Stephon Alexander The Story of a Halo: Chern-Simons Theory, Cosmic …

Title: The Story of a Halo: Chern-Simons Theory, Cosmic Inflation and Dark Genesis Abstract: All matter, visible and dark, had to originate from some mysterious event in …

September 24, 2020 Astrophysical Evolution with tSZ and kSZ from ACT DR5 Seminar

September 24, 2020 2020 CCA Fall Intro: Session 1 September 24, 2020 2020 CCA Fall Intro: Session 2 September 24, 2020 2020 CCA Fall Intro: Session 3 September …