| Saturday, 17 April 2021 | |
|---|---|
| 8:15 A.M. Central | A01 Kavli Foundation Keynote Plenary: Nobel Prize Session Sponsor: APS Chair: Philip Bucksbaum, APS President; Deirdre Shoemaker, April Meeting 2021 Program Chair Invited Speakers: Reinhard Genzel, Andrea Ghez, Roger Penrose |
| 10:45 A.M. Central | B10 Supernovae Sponsor: DAP Chair: Sherwood Richers, UCB |
| B21 Physics of the Cosmos and PhysPAG Town Hall Sponsor: DGRAV DAP Chair: Graça Rocha | |
| 1:30 P.M. Central | D03 Nuclear Physics Constraints from Neutron Star Mergers Sponsor: DAP DNP Chair: Nicole Vassh, Notre Dame Invited Speakers: Alfredo Estrade, Jonas Lippuner, Eleonora Troja |
| D05 Multi-Messenger International Physics Sponsor: FIP Chair: Luisa Cifarelli, University of Bologna and INFN Invited Speakers: Jocelyn Bell Burnell, Martin Rees | |
| D09 Gamma Ray Astronomy: Galactic Sponsor: DAP Chair: Andrea Albert, LANL | |
| D10 Observatories, Instruments, and Surveys Sponsor: DAP Chair: Judy Racusin, NASA-GSFC | |
| D21 Cosmic Ray SIG Minisymposium Sponsor: DAP Chair: Marcos Santander, University of Alabama | |
| 3:45 P.M. Central | E03 LIGO and NICER Constraints on the Neutron Star Equation of State Sponsor: DAP DGRAV Chair: Sanjay Reddy, University of Washington Invited Speakers: Ingo Tews, Tanja Hinderer, Thomas Riley, Cole Miller |
| E10 Cosmic Ray Sources and Acceleration Sponsor: DAP Chair: Alexander Moiseev, UMD | |
| Sunday, 18 April 2021 | |
| 8:30 A.M. Central | G01 Probing Dark Matter Sponsor: PR/PRL DPF DAP DGRAV Chair: Robert Garisto, Physical Review Letters Invited Speakers: Asimina Arvanitaki, Alex Drlica-Wagner, Ana Bonaca |
| G09 Compact Object Mergers: Neutron Stars Sponsor: DAP Chair: Eric Burns, LSU | |
| G10 Neutrino Astronomy: Neutrino Astronomy Sponsor: DAP Chair: John Krizmanic, Univ. of Maryland | |
| 10:45 A.M. Central | H01 Data Science and Machine Learning in Particle and Astrophysics Sponsor: GDS Chair: Dimitri Bourilkov, University of Florida Invited Speakers: David ROUSSEAU, Francisco Villaescusa-Navarro |
| H03 Electromagnetic Signals from LISA Events Sponsor: DAP DGRAV Chair: Jonathan Gair, MPI-GP Invited Speakers: Jeremy Schnittman, Daniel D'Orazio, Morgan MacLeod | |
| 1:30 P.M. Central | K01 Coalescence Rates of Compact Binary Systems Sponsor: DGRAV DAP Chair: Christopher Lee, Los Alamos National Laboratory Invited Speakers: Carl Rodriguez, Thomas Dent, Eric Burns |
| K09 Cosmology with Gravitational Waves Sponsor: DAP Chair: Michele Vallisneri, JPL/Caltech | |
| K21 Inflation Probe SIG Minisymposium Sponsor: DAP Chair: Kevin Huffenberger, Florida State University | |
| 3:45 P.M. Central | L03 Compact Remnant Masses and the NS/BH Mass Gap Sponsor: DAP DGRAV Chair: Richard O'Shaugnessy, Rochester Institute of Technology Invited Speakers: Vicky Kalogera, Jerome Orosz, Katerina Chatziioannou |
| L09 Astrophysical Transients Sponsor: DAP Chair: Grant Mathews, Notre Dame | |
| L10 Cosmic Ray Spectrum and Composition Sponsor: DAP Chair: Dave Kieda, Univ. Utah | |
| L21 Gamma Ray SIG Minisymposium Sponsor: DAP Chair: Bindu Rani, NASA | |
| Monday, 19 April 2021 | |
| 8:30 A.M. Central | P01 Plenary II: Science on a Global Scale Sponsor: APS Chair: Phil Bucksbaum, Stanford University Invited Speakers: Young-Kee Kim, Fiona Harrison, JoAnne Hewett, Luisa Cifarelli |
| 10:30 A.M. Central | Q09 Gravitational Wave Astronomy: Results and Interpretation Sponsor: DAP Chair: Ingrid Stairs, UBC |
| Q21 Cosmic Structure SIG Minisymposium Sponsor: DGRAV Chair: Graça Rocha | |
| 1:30 P.M. Central | S10 Live Neutrino Astronomy: Surveys and Searches Sponsor: DAP Chair: Naoko Neilson, Drexel University |
| S21 Live X-Ray SIG Minisymposium Sponsor: DGRAV Chair: Grant Tremblay | |
| 3:45 P.M. Central | T01 Isaacson Award Session ponsor: DGRAV Chair: Gabriela Gonzalez, Louisiana State University Invited Speakers: Beverly K. Berger, Anamaria Effler, Surabhi Sachdev |
| T02 New Frontiers in Dark Matter Research Sponsor: DPF DAP Chair: Yanou Cui, University of California, Riverside Invited Speakers: Natalia Toro, Yu-Dai Tsai, Hai-Bo Yu | |
| T10 Gamma Ray Astronomy: Surveys Sponsor: DAP Chair: Miguel Mostafa, PSU | |
| Tuesday, 20 April 2021 | |
| 8:30 A.M. Central | W01 Plenary III: Advancing an Inclusive Community in Science Sponsor: APS Chair: Julie Mcenery, NASA Goddard Space Flight Center Invited Speakers: Brian Nord, Dara Norman, Geraldine Cochran |
| 10:45 A.M. Central | X03 Recent Results from eROSITA Sponsor: DAP Chair: Erin Kara, MIT Invited Speakers: Andrea Merloni, Joern Wilms, Esra Bulbul |
| X10 Dark Matter Constraints from Space Sponsor: DAP Chair: Sophie Middleton, Caltech | |
| 1:30 P.M. Central | Y09 Gravitational Wave Astronomy: Survey Analysis Sponsor: DAP Chair: Tanja Hinderer, Univ. Utrecht |
| Y10 Pulsars and Neutron Stars Sponsor: DAP Chair: Rodrigo Fernandez, Univ Alberta | |
| 3:45 P.M. Central | Z10 Gamma Ray Astronomy: Extragalactic Sponsor: DAP Chair: Marco Ajello, Clemson |
| Z17 Astrophysics with Gravitational Waves II Sponsor: DGRAV Chair: Salvatore Vitale, MIT | |
| Special Events | |
| Saturday, 17 April 2021 | |
| c. 10:00 A.M. Central | NICER press release |
| Sunday, 18 April 2021 | |
| 5:30 PM. Central | L25 LGBT+ Roundtable Chair: Timothy Atherton, Tufts University |
| Monday, 19 April 2021 | |
| 5:45 P.M. Central | U02 DGRAV Business Meeting Chair: Nicolas Yunes, University of Illinois at Urbana-Champaign |
| U05 DAP Business Meeting Chair: Glennys Farrar, New York University | |
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