Astrophysics Colloquia, Seminars and Other Talks

In Summer 2018 we have regular Astro Group meetings on Tuesdays, 2:00-3:00pm, in Corcoran 413. Contact Alexander van der Horst to be added to the Astro Group mailing list.

2018 April 12 (Frances E. Walker Lecture)
Samar Safi-Harb, University of Manitoba
Neutron Stars and Supernovae: The Most Exotic Astrophysical Objects That Keep Surprising Us

2018 March 22
Horace Mitchell, NASA Goddard Space Flight Center
NASA's Scientific Visualization Study: Putting Data in Its Space

2018 March 8
Rita Sambruna, NASA Headquarters
Writing Proposals for NASA Astrophysics ROSES Programs

2018 March 1
Marwan Gebran, Notre Dame University (Louaize, Lebanon)
Dimension Reduction Technique for Parameters Determination: Application to AFKGM Stars

2018 February 22
Mikhail Bashkanov, Edinburgh University
Secret Life of Exotic Hadrons: from Lightest Systems to Neutron Stars

2018 February 8
Shy Genel, Flatiron Institute & Columbia University
Studying Galaxy Formation with Simulated Universes
2018 February 1

Tiffany Lewis, George Mason University
Modeling Blazar Jets with First-Principles Physics

2017 October 26
Justin Linford, George Washington University
Elegant Explosions: a Radio View of Classical Novae

2017 October 19 (special time & location, see flyer)
Jeremy Schnittman, NASA Goddard Space Flight Center
The Physics of Interstellar (movie shown on October 18)

2017 September 21 (Frances E. Walker Lecture)
Vicky Kalogera, Northwestern University
The Promise and Challenges of Gravitational-Wave Astronomy

2017 April 6
Alexander van der Horst, George Washington University
OCTOCAM: a New Instrument for Time-Domain Astrophysics in the 2020s

2017 February 16
Regina Caputo, NASA Goddard Space Flight Center
Dark Matters: The Search for the Universe's Missing Mass

2017 February 2
Justin Finke, Naval Research Laboratory
Constraining intergalactic radiation and magnetic fields with gamma-ray observations

2016 November 30 (Astro Group meeting)
Massimo Robberto, Space Telescope Science Institute
The James Webb Space Telescope

2016 November 16 (Astro Group meeting)
Laurens Keek, NASA Goddard Space Flight Center
An Exceptionally Long Thermonuclear Burst from IGR J17062-6143: deep ignition and the impact on its surroundings

2016 October 27 (Colloquium)
John Mather, NASA Goddard Space Flight Center
Creating the Future: Building the JWST, What it May Find, and What Comes Next?

2016 October 13 (Colloquium)
Matthew Baring, Rice University
Pair Transparency Constraints on Emission Altitudes in Pulsars and Magnetars

2016 October 7 (Astro Group meeting)
Eileen Meyer, University of Maryland - Baltimore County
The strange non-death of the IC/CMB model and TeV-emitting quasar jets

2016 September 29 (Colloquium)
Ralph Wijers, University of Amsterdam
Here be Dragons in the Heavens: the Search for Radio Transients

2016 September 23 (Astro Group meeting)
Steve Eikenberry, University of Florida
Searching for optical transients

2016 May 13 (Astro Group meeting)
Brad Cenko, NASA Goddard Space Flight Center
The demographics of tidal disruption flares

2016 May 6 (Astro Group meeting)
Peter Becker, George Mason University
Modeling the Crab nebula gamma-ray flare

2016 April 15 (Astro Group meeting)
Ben Gompertz, Space Telescope Science Institute
The role of magnetars in gamma-ray bursts

2016 April 7 (Colloquium)
Jay Pasachoff, Williams College
Coronal Science at Recent Solar Eclipses

2016 April 1 (Astro Colloquium, 11am-noon)
Sylvain Guiriece, NASA Goddard Space Flight Center
Shedding Light on the Brightest Cosmological Flashes

2016 March 25 (Astro Colloquium, 11am-noon)
Eleonora Troja, NASA Goddard Space Flight Center
Cosmic Crashes: the Many Facets of Neutron Star Collisions

2016 March 4 (Astro Group meeting)
Leo Singer, NASA Goddard Space Flight Center
Advanced LIGO first light: astrophysics with a gravitational wave observatory

2016 February 16 (Astro Group meeting)
Cole Miller, University of Maryland - College Park
Gravitational wave discovery and its implications

2015 October 8 (Colloquium)
Jack Burns, University of Colorado
Cosmology from the Moon: The Dark Ages Radio Explorer (DARE)

2015 April 29 (Astro Group meeting)
Sjoert van Velzen, Johns Hopkins University
Stellar tidal disruption flares as new probes of black hole astrophysics

2015 April 2 (Colloquium)
Daniela Huppenkothen, New York University
Exploring the Violent Universe: a Data-Driven Approach to X-ray Astronomy

2015 March 26 (Colloquium)
Reshmi Mukherjee, Columbia University
Exploring the Extreme Universe with Gamma-ray Observatories

2015 March 4 (Astro Group meeting)
Andrey Timokhin, NASA Goddard Space Flight Center
Theory of Pulsars

2015 January 22 (Colloquium)
Alexander van der Horst, George Washington University
Broadband View of the Most Extreme Cosmic Transients

2014 September 26
Sylvain Guiriec, NASA Goddard Space Flight Center
Towards a Better Understanding of the GRB Phenomenon: a New Model for GRB Prompt Emission and its Effects on a New Luminosity-Hardness Relation for Cosmology

2014 May 8
Benjamin Owen, Penn State University
Gravitational Waves from Young Neutron Stars

2014 April 17
Davide Lazzati, Oregon State University
The Prompt Emission of Gamma-Ray Bursts

2014 Feb 20
Dr. Zaven Arzoumanian,  NASA GSFC
Neutron Star Interior Composition Explorer (NICER) Mission

2013 Nov 14
Dr. Alexander Kashlinsky,  NASA GSFC
Probing the emergence of the Universe from Dark Ages

2013 Oct 17
Dr. Nick Konidaris,  California Institute of Technology
The SED Machine

2013 Oct 3
Prof. Stephen Eikenberry,  University of Florida
Observations of Neutron Stars with Orbital Observatories

2013 Mar 21
Prof. George Pavlov,  Pennsylvania State University
Observations of Neutron Stars with Orbital Observatories

2013 Jan 17
Dr. Chryssa Kouveliotou, NASA Marshall Space Flight Center
(A special presentation in the Walker Lecture Series, designed to encourage women in physics)

2012 Nov 29
Brian Humensky, Columbia University and Nevis Labs
Particle Astrophysics with VERITAS and CTA

2012 Nov 08
Dr. Binbin Zhang, Penn State University
A Comprehensive Study of High-Energy Data of Gamma-Ray Bursts

2012 Oct 18
Benjamin Owen, Penn State University
The Long and Short of the Matter: Gravitational Waves from Neutron Stars

2012 Sep 20
Alessandra Corsi, The George Washington University
Multi-messenger signatures of gamma-ray bursts: a tool to unravel the mysteries of these cosmic explosions”

2012 Mar 29
Alessandra Corsi, California Institute of Technology
The fascinating physics of Gamma-Ray Bursts: progenitors, fireballs, and prospects for multimessenger astronomy

2012 Mar 28
Oleg Kargaltsev, University of Florida
Multi-wavelength view of pulsars and pulsar-wind nebulae

2012 Mar 27
Teddy Cheung, Naval Research Laboratory
The Fermi Large Area Telescope Reveals a Diverse Population of Galactic Gamma]ray Binaries

2012 Mar 22
Eduardo Rozo, University of Chicago
Cluster Cosmology with Large Photometric Surveys

2012 Mar 21
Bret Lehmer, NASA Goddard Space Flight Center
The Formation and Evolution of Accreting Binaries: Insight from Multiwavelength Observations of Galaxies both Near and Far!

2011 Nov 03
Jon Hakkila, College of Charleston, South Carolina
Correlated Properties of Gamma-Ray Burst Pulses: From Prompt Emission to the Optical Afterglow

2011 Apr 21
Tod Strohmayer, NASA/GSFC
X-ray Polarimetry: Opening a New Astrophysical Window

2011 Apr 07
Paulo Bedaque, Univ. Md
Neutron Stars and the Densest Matter in the Universe

2011 Mar 24
Chris Wrede, Univ. Washington
Nucleosynthesis in Classical Novae

2011 Feb 17
Kara Hoffman, Univ. Md
South Pole Neutrino Telescopes

2010 Nov 11
Ronald Gillilard, Space Telescope Science Inst.
Asteroseismology and Planet Detection Results from the Kepler Mission

2010 Oct 28
Michael Corcoran, NASA/GSFC
Colliding Winds and the Most Massive Stars

2010 Oct 26
Bethany Cobb, GW Honors Program/GW Physics Dept.
Clues to Gamma-ray Burst Progenitors Through Observations of Afterglows and GRB-Supernovae

2010 Oct 21
Charles Dermer, Naval Research Laboratory
The Fermi Gamma-Ray Space Telescope, Relativistic Jet Sources, and the Origin of Ultra-High Energy Cosmic Rays

2010 Sep 23
Chris Fryer, Los Alamos Nat. Lab
Understanding Core-Collapse Supernovae in the Transient Era

2010 Apr 22
Julie E. McEnery, NASA/GSFC
A New View of the High-energy Gamma-ray Sky with the Fermi Gamma-Ray Space Telescope

2010 Feb 25
Glen MacLachlan, GW Dept. of Physics
Fast Wavelet Transforms and Signal Analysis

2009 Nov 10
Stefan Immler, NASA/GSFC & Univ. Md
Energetic Explosions in the Universe: Highlights from Five Years of Swift Satellite Observations

2009 May 27
Alaa Ibrahim, Mahmoud Hanafy, Fayoum University, Egypt
A Phenomenological Study of Short Gamma Ray Bursts with Extended Emission Observed by NASA's Swift Mission

2009 Apr 30
David Burrows , Penn State Univ.
Gamma-Ray Bursts: Black Hole Births and Cosmic Beacons

2009 Apr 16
Martin Laming, Naval Res. Lab.
How Did Cassiopeia-A Explode? A Chandra Very Large Project

2008 Nov 06
Sinha Manodeep, Vanderbilt Univ.
Hot Halo Gas in Numerical Simulations of Galaxy Mergers

2008 Oct 02
Ramesh Narayan, Harvard Univ.
Astrophysical Black Holes

2008 Sep 25
Stephen Zepf, Michigan State
Extragalatic Globular Clusters and Their Black Hole and Neutron Star Binary Systems

2008 Apr 10
Raju Venugopalan, Brookhaven National Laboratory
How the hottest matter on earth is created, what it looks like, and what it may tell us about the early Universe

2008 Apr 03
Michael Salamon, NASA - SMD
NASA's Missions to Explore the Origin and Evolution of the Universe, and to Hear Its Voices

2008 Mar 13
Abe Falcone, Penn State
Lifting the Shades on the TeV Gamma Ray Window to the Universe

2008 Feb 22
Michael Stamatikos, NASA/Goddard
Exploring GRB Astrophysics via a Correlated Broad-Band and Multi-Messenger Paradigm

2008 Feb 08
Matthew Burger, NASA/GSFC
Saturn's Surprising Satellite: The Enceladus Water Plume and Torus

2007 Nov 02
Rachel Osten, NASA/GSFC
New Insights into the Physics of Stellar Flares

2007 Oct 05
Arsen Hajian, U.S. Naval Observatory
A Way to Detect Earth-Mass Planets

2007 May 10
Rex Tayloe, Indiana Univ.
Neutrino Oscillation Results from the MiniBooNE Experiment

2007 Apr 05
Steve Ritz, NASA/GSFC
Gamma-Ray Astronomy

2007 Mar 08
Edward Wollack, NASA/GSFC

2007 Feb 08
Jean Cottam, NASA/GSFC
Accretion around Neutron Stars

2006 Nov 17
Frederick C. Bruhwiler, Catholic Univ.
Quasars and Iron in the Early Universe

2006 Apr 20
John Mather, NASA/GSFC
The James Webb Space Telescopy and the Future of Space Astronomy

2006 Apr 13
Richard Mushotzky, NASA/GSFC
The Accretion History of Massive Black Holes

2006 Apr 06
Joan Centrella, NASA/GSFC
Binary Black Holes, Gravitational Waves, and Numerical Relativity

2006 Mar 30
Randall Smith
Streetlights on a Foggy Night: Measuring Interstellar Dust with X-rays

2006 Jan 26
Alaa Ibrahim, Univ. of Cairo
Connecting Quarks with the Cosmos

2005 Dec 05
Neil Gehrels, NASA/GSFC
Gamma-Ray Burst Discoveries by the Swift Mission

2005 Dec 02
William Phillips, NIST
Time, Einstein, and the Coldest Stuff in the Universe

2005 Nov 21
Marc J. Kuchner, NASA/GSFC
Water Planets, Carbon Planets, and the Origin of the Earth's Oceans

2005 Oct 31
Michael Turner, National Science Foundation
Beyond Einstein: Profound Mysteries and New Challenges

2005 Oct 24
John Hawley, Univ. of Virginia
General Relativistic Magnetohydrodynamic Simulations of Black-Hole Accretion Disks

2005 Sep 12
Alaa Ibrahim, Cairo Univ.
The Universe through Einstein's Eyes

2004 Feb 19
Samar Safi-Harb, Univ. of Manitoba
Life after Stellar Death: A Zoo of Pulsars and Supernova Remnants

2003 Apr 24
Berndt Mueller, Duke Univ.
Understanding the Universe: How the Relativistic Heavy Ion Collider is Helping Us

2002 Apr 18
Eric Richard Christian, NASA/Goddard
A TIGER in Antarctica