Fall 2023

Day and Time: Thursdays at “12:30” (12:40–1:30)
Location: 131 Campbell Hall (rooms A & B)
Organizers: Luke Kelley

Updated 2023/08/10.  Bold means confirmed.

August 24:

• 1-slide 1-minute talks
  

August 31:

• Andrea Antoni (Berkeley): IIp or Not IIP: Modeling Weak Explosions of Red Supergiants
• Lorenzo Sironi (Colombia): To B or not to B: unveiling the origin of magnetic fields in the Universe

September 07:

• Anne Noer Kolborg (UC Santa Cruz): Constraining r-process production through metal mixing
• Vikram Ravi (Caltech): The 2000-antenna Deep Synoptic Array (DSA-2000) radio camera

September 14:

• Sal Fu (Berkeley): Metallicity Distribution Functions of Local Group Dwarf Galaxies from Hubble Space Telescope Narrow-band Imaging
• Jonathan Tan (U Virginia): Supermassive black hole formation from Pop III.1 protostars
• Ting Li (Toronto): Milky Way’s Least-massive Satellites: Ultra-faint Globular Clusters or Extremely Compact Dwarf Galaxies?

September 21:

• James Sullivan (Berkeley) – New Aspects of Local Primordial non-Gaussianity in Galaxy Surveys
• Aaron Tohuvavohu (Toronto) – A Future of Abundant Space Telescopes
• Ken Shen (Berkeley)

September 28:

• Kishore Patra (Berkeley) – Constraints on the quasi-periodic eruptions in GSN 069
• Emiko Gardiner (Berkeley) – Beyond the Background: Gravitational Wave Anisotropy and Continuous Waves from Supermassive Black Hole Binaries
• Maria Drout (Toronto) – A Search for Yellow Supergiant Binaries: Towards a Population of Supernova Progenitor Analogs

October 05:

• Alessandro Savino (Berkeley) – Star formation and quenching in the ultra-faint dwarfs satellites of M31
• Wenbin Lu (Berkeley) – Precessing jets in tidal disruption events are choked by disk wind
• Masaru Shibata (Max Planck) – Exploring the collapsar scenarios in numerical relativity

October 12:

• Jennifer Bergner (Berkeley) – Accelerating `Oumuamua with radiolytically produced H2
• Richie Wang (Stanford) – Towards a unified model for dwarf galaxy formation with UniverseMachine
• Allyson Sheffield (CUNY LaGuardia) – Connecting Stellar Streams in Gaia

October 19:

• Lachlan T. Lancaster (Columbia) – What Pops the Wind-Blown Bubble
• Chema Palencia (IFCA Spain) – Extremely Magnified Stars: Probing High-z Stars and Compact Dark Matter
• Yuhan Yao (Berkeley) – Tidal Disruption Event Demographics with the Zwicky Transient Facility

October 26:

• Sanchit Sabhlok (UC San Diego) – Circumgalactic Environments around z=2 radio loud quasars
• Danielle Frostig (MIT) – WINTER: a new near-IR time-domain survey facility
• Jessica Lu (Berkeley) – Finding Black Holes with the Nancy Grace Roman Telescope

November 02:

• Anna Pusack (Berkeley) – The Galactic Center: Analysis of NIRSpec IFU data in crowded fields
• Maude Gull (Berkeley) – Massive Metal-Poor Stars in Leo A
• Kate Alexander (U Arizona) – The Paradigm-Altering Jet of GRB 221009A (“The BOAT”)

November 09:

• Sophia Risin (Berkeley): TDEs from Second Generation Mergers
• Mason Ng (MIT): Multifaceted Understanding of Accreting Neutron stars and their Environments: An X-ray Polarimetric Focus
• Ewan Douglas (U Arizona): How we built this: on the physics and techniques required to reach ultra-high contrasts

November 16:

• Macy Huston (Berkeley) – Microlensing & the Structure of the Milky Way
• Vighnesh Nagpal (Berkeley) – Breaking Giant Chains: Early Stage Instabilities in Long-Period Giant Planet Systems
• Karin Sandstrom (UC San Diego) – Molecular Gas Star Formation Efficiency and the CO-to-H2 Conversion Factor

November 23:

• Thanksgiving day, no meeting

November 30:

• Howard Isaacson (Berkeley): A Survey of Chromospheric Activity Through the Lens of Precise Stellar Properties
• Lingyuan Ji (Berkeley): Observability of lensed gravitational waves from massive black hole binaries with LISA
• Erik Petigura (UC Los Angeles): Automated Scheduling of Doppler Observations and the Traveling Telescope Problem