UNFORTUNATELY, THE LIVE PCOS SESSIONS BELOW ARE ACCESSIBLE ONLY TO REGISTERED ATTENDEES OF THE APS APRIL MEETING

Saturday, 17 April 2021

PhysCOS & PhysPAG Town Hall Mini-Symposium (Session B21)

Sponsoring Division: DGRAV, DAP
Chair: Graça Rocha (NASA JPL)

Time	Topic	Speaker	Presentation
10:45 AM – 10:57 AM	Overview of PhysCOS	Brian Williams (NASA GSFC)	[PDF]
10:57 AM – 11:09 AM	Overview of PhysPAG	Ryan Hickox (Dartmouth)	[PDF]
11:09 AM – 11:33 AM	Unveiling the Early Universe with the Spectral Distortions of the CMB	Joe Silk (Johns Hopkins)	[PDF]
11:33 AM – 11:57 AM	Extending the Cosmic Frontier into the Dark Ages	Joseph Lazio (NASA JPL)	[PDF]
11:57 AM – 12:21 PM	A Lunar Farside Low Radio Frequency Array for Dark Ages 21-cm Cosmology	Jack Burns (U. Colorado)	[PDF]
12:21 PM – 12:33PM	The Once & Future Great Observatories	Grant Tremblay (Harvard)

Cosmic Ray SIG Mini-Symposium (Session D21)

Sponsoring Division: DAP
Chair: Marcos Santander (U. Alabama)

Time	Topic	Speaker	Presentation
1:30 PM – 1:35 PM	Welcome and Introduction to the CR-SIG	Marcos Santander (U. Alabama)	[PDF]
1:35 PM – 2:10 PM	Ultra-high-energy Cosmic Rays: Recent Results and Future Plans	Frank Schroeder (U. Delaware)	[PDF]
2:10 PM – 2:27 PM	Particle Astrophysics at Zettavolt Energies with Radio Detectors in Low Lunar Orbit	Andres Romero-Wolf (NASA JPL)	[PDF]
2:27 PM – 2:44 PM	Prowling for Ultrahigh Energy Neutrinos with PUEO	Remy Prechelt (U. Hawaii)	[PDF]
2:44 PM – 3:01 PM	The EUSO-SPB2 Mission	Lawrence Wiencke (Colorado School of Mines)	[PDF]
3:01 PM – 3:18 PM	The Roadmap to the POEMMA Mission	Angela V. Olinto (U. Chicago) & John Krizmanic (NASA GSFC)	[PDF]

Sunday, 18 April 2021

Inflation Probe SIG Mini-Symposium (Session K21)

Sponsoring Division: DAP
Chair: Kevin Huffenberger (Florida State U.)

Time	Topic	Speaker	Presentation
1:30 PM – 1:37 PM	Inflation Probe SIG Overview	Graça Rocha (NASA JPL)	[PDF]
1:37 PM – 1:53 PM	Science Reach of PICO – a New, Probe-Class CMB Space Mission	Shaul Hanany (U. Minnesota)	[PDF]
1:53 PM – 2:09 PM	LiteBIRD Overview	Adrian Lee (UC Berkeley)	[PDF]
2:09 PM – 2:25 PM	The Primordial Inflation Polarization Explorer (PIPER): Testing Inflation on Large Angular Scales	Al Kogut (NASA GSFC)
2:25 PM – 2:41 PM	The First Flight of SPIDER: Probing Inflation from the Stratosphere	Jeff Filippini (U. Illinois)	[PDF]
2:41 PM – 2:46 PM	Discussion
2:46 PM – 2:53 PM	Forecasts on Foregrounds Removal and CMB B-mode Recovery with the Probe-class Mission Concept PICO [PDF]	Mathieu Remazeille (U. Manchester)	[PDF]
2:53 PM – 3:00 PM	The Primordial Inflation Polarization Explorer (PIPER): Characterization of the Receiver and Detector Arrays	Rahul Datta (Johns Hopkins)	[PDF]
3:00 PM – 3:07 PM	Foreground Component Separation for SPIDER's Primordial B-mode Constraint	Johanna Nagy (Wash. U. St Louis)	[PDF]
3:07 PM – 3:14 PM	TBA – LiteBIRD Related
3:14 PM – 3:18 PM	Discussion

Gamma Ray SIG Mini-Symposium (Session L21)

Sponsoring Division: DAP
Chair: Bindu Rani (NASA GSFC)

Time	Topic	Speaker	Presentation
3:45 PM – 3:50 PM	Gamma Ray SIG Overview	Bindu Rani (NASA GSFC)	[PDF]
3:50 PM – 4:14 PM	Maximizing the Scientific Return of the Time Domain Astronomy	Dave Thompson (NASA GSFC)	[PDF]
4:14 PM – 4:38 PM	Gamma-ray Novae	Raffaella Margutti (Northwestern U.)	[PDF]
4:38 PM – 5:02 PM	Gamma-ray Transients	Jamie Holder (U. Delaware)	[PDF]
5:02 PM – 5:26 PM	Gamma-ray Binaries	Elias Aydi (Michigan State U.)
5:26 PM – 5:33 PM	Open Discussion

Monday, 19 April 2021

Cosmic Structure SIG Mini-Symposium (Session Q21)

Sponsoring Division: DGRAV
Chair: Graça Rocha (NASA JPL)

Time	Topic	Speaker	Presentation
10:45 AM – 10:55 AM	Update on Cosmic Structure SIG	Kevin Huffenberger (Florida State U.)	[PDF]
10:55 AM – 11:25 AM	Update on SPHEREx	Elisabeth Krause (U. Arizona)
11:25 AM – 11:55 AM	Update on Roman Space Telescope	Kris Pardo (NASA JPL)	[PDF]
11:55 AM – 12:33 PM	Open Discussion		[PDF]

X Ray SIG Mini-Symposium (Session S21)

Sponsoring Division: DGRAV
Chair: Grant Tremblay (Harvard)

Time	Topic	Speaker	Presentation
1:30 PM – 1:42 PM	Introduction to XRSIG and Highlights in X-ray Astronomy	Ryan Hickox (Dartmouth)	[PDF]
1:42 PM – 2:06 PM	The Neutron Star Equation of State with NICER	Sharon Morsink (U. Alberta)	[PDF]
2:06 PM – 2:30 PM	Constraints on Axionlike Particles from a Hard X-Ray Observation of Betelgeuse	Mengjiao Xiao (MIT)	[PDF]
2:30 PM – 2:54 PM	X-ray Constraints on Sterile Neutrino Dark Matter	Dominic Sicilian (U. Miami)	[PDF]
2:54 PM – 3:18 PM	Open Business and Discussion	Grant Tremblay (Harvard), Jillian Bellovary (CUNY QCC), and Ryan Hickox (Dartmouth)

PhysCOS Related Activities at the APS

Saturday, 17 April 2021

All Times Central (CT)

Time	Event
8:15 AM	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 AM	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 PM	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 PM	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

Time	Event
8:30 AM	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 AM	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 PM	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 PM	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

Time	Event
8:30 AM	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 AM	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 PM	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 PM	T01 Isaacson Award Session Sponsor: 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

Time	Event
8:30 AM	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 AM	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 PM	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 PM	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

Date	Time	Event
Saturday, 17 April 2021	10:00 AM CT	NICER Press Release
Sunday, 18 April 2021	5:30 PM. CT	L25 LGBT+ Roundtable Chair: Timothy Atherton, Tufts University
Monday, 19 April 2021	5:45 PM CT	U02 DGRAV Business Meeting Chair: Nicolas Yunes, University of Illinois at Urbana-Champaign
		U05 DAP Business Meeting Chair: Glennys Farrar, New York University