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2017 DDA Meeting Schedule & Video Recordings

Video Recordings

Video Recordings of talks are included where the presenter has given written permission for this posting and where the recording was successful (e.g., the Monday afternoon session on Planetary Formation and System Architecture, was not recorded due to a technical glitch).


Sunday, June 11

Committee Meeting – The GO Jones Building (Building #25 on the Campus Map)


Opening Reception – The Graduate Centre (Building #18 on the Campus Map)

Monday, June 12 - Arts Two Lecture Theatre (Building #35 on the Campus Map)
8:00 Arts Two Opens - Registration Opens
8:15 Coffee, Tea and Continental Breakfast
9:00 Craig Agnor and Carl Murray Introduction

Post Main Sequence Planetary System Science, Part 1 (Chair: Dimitri Veras)

9:15 Amy Bonsor University of Cambridge Dust around evolved stars; tracing the fate of planetary systems (Invited)     [Video Recording]
9:50 Roman Rafikov University of Cambridge Physics of the Compact Debris Disks Around Metal Rich White Dwarfs
10:05 Rik Van Lieshout Institute of Astronomy, University of Cambridge Exoplanet recycling in massive white-dwarf debris discs
10:20 Coffee Break

Post Main Sequence Planetary System Science, Part 2 (Chair: Michele Bannister)

10:50 Alexander Mustill Lunds Universitet The dynamics of post-main sequence planetary systems (Invited)      [Video Recording]
11:25 Uri Malamud Technion Israel Institute of Technology Post main sequence evolution of icy minor planets: water retention and white dwarf pollution     [Video Recording]
11:40 Matthew Payne Harvard-Smithsonian CfA The Evolution of Small Bodies in Exo-Planetary Systems through All Stages of Stellar Evolution (Invited)    [Video Recording]
12:15 Dimitri Veras University of Warwick Simulating the tidal disruption of the asteroid orbiting white dwarf WD 1145+017      [Video Recording]
12:30 Lunch

Planetary Formation and System Architecture, Part 1 (Chair: Matija Cuk)

14:00 Matthew Clement University of Oklahoma An Early Instabilities Effect on Terrestrial Planetary Formation
14:15 Anne-Sophie Libert University of Namur Influence of resonant periodic orbits on the formation of giant planetary systems
14:30 Kedron Silsbee Princeton University Planet formation in binary systems: simulating coagulation using analytically determined collision velocities
14:45 Craig Agnor Queen Mary University of London On the Present and Past Secular Architecture of the Terrestrial Planets
15:00 Billy Quarles University of Oklahoma Maximizing planet packing in the alpha Centauri AB system
15:15 Christopher Spalding California Institute of Technology The Intrinsic Multiplicity of Single-transiting Kepler Systems
15:30 Coffee Break

Planetary Formation and System Architecture, Part 2 (Chair: Ann-Marie Madigan)

16:00 Nikolaos Georgakarakos New York University Abu Dhabi Long term evolution of planetary systems with a terrestrial planet and a giant planet
16:15 Katherine A. Kretke SSERVI/Southwest Research Institute Effect of Giant Planet Formation on the Compositional Mixture of the Asteroid Belt     [Video Recording]

The Caledonian Symmetric Four- and Five-Body Problems (Chair: Ann-Marie Madigan)

16:30 Bonnie Steves Glasgow Caledonian University Analytical stability criteria for the Caledonian Symmetric Four and Five Body Problems      [Video Recording]
16:45 Alex Davis University of Colorado at Boulder Constraining Binary Asteroid Mass Distributions Based On Mutual Dynamics (Duncombe Award winner)     [Video Recording]

Iapetus! (Chair: Ann-Marie Madigan)

17:00 Matija Cuk SETI Institute A Secular Resonance Between Iapetus and the Giant Planets      [Video Recording]
17:15 William Polycarpe Observatoire de Paris Is Titan responsible for Iapetus' orbit?

DDA Business Meeting

18:30 Adjourn
Tuesday, June 13 - Arts Two Lecture Theatre (Building #35 on the Campus Map)
8:00 Arts Two Opens
8:15 Coffee and Continental Breakfast

Impact of Gaia Astrometry on Dynamical Astronomy, Part 1 (Chair: Monica Valluri)

9:00 Daniel Hestroffer Paris Observatory Astrometry and dynamics of Solar System Objects with Gaia GDR observations and catalogues (Invited)    [Video Recording]
9:35 Todd Henry RECONS Our View of the Solar Neighborhood Before, During, and After Gaia (Invited)     [Video Recording]
10:10 Norbert Zacharias U.S. Naval Observatory Galactic Dynamics: new proper motions from Gaia and UCAC       [Video Recording]
10:25 Coffee Break

Impact of Gaia Astrometry on Dynamical Astronomy, Part 2 (Chair: Norbert Zacharias)

10:55 Anna Lisa Varri University of Edinburgh New science from the phase space of old stellar systems  [Video Recording]
11:10 Laura Watkins Space Telescope Science Institute Tycho-Gaia Astrometric Solution parallaxes and proper motions for 5 Galactic globular clusters (Invited)    [Video Recording]
11:45 Monica Valluri University of Michigan Using tidal streams to investigate the rotation of the Milky Way's dark matter halo     [Video Recording]
12:00 Lunch

Planet and Satellite Rotation and Orientation (Chair: Benoit Noyelles)

13:30 Rose-Marie Baland Royal Observatory of Belgium The influence of tides and of the precession of the pericenter on the orientation of the rotation axis of a solid Mercury  
13:45 Xiaojin XI l'Observatoire de Paris Analytical representation for ephemeris with short time-span - Aplication to the longitude of Titan     [Video Recording]
14:00 Marie Yseboodt Royal Observatory of Belgium Mars rotation using geodesy data    [Video Recording]
14:15 Gwenaël Boué UPMC On Titan's obliquity     [Video Recording]
14:30 Aswin Sekhar Centre for Earth Evolution and Dynamics Rapid Enhancement in General Relativistic Precession Rates due to Kozai Mechanism in Solar System Bodies      [Video Recording]
14:45 Coffee Break

Tides and Binaries (Chair: Laura Watkins)

15:15 Michelle Vick Cornell University Dynamical Tides in Highly Eccentric Binaries: Chaos, Dissipation and Quasi-Steady State (Duncombe Award winner)
15:30 Alexandre Correia University of Aveiro Tidal evolution of circumbinary systems     [Video Recording]
15:45 Wm. Van Altena Yale University Sixteen Years of Speckle Interferometry at the WIYN Observatory
16:00 James Cho Queen Mary University of London Turbulent Mixing on Close-In Planets by Libration Tide

Brouwer Award Lecture (Chair: Craig Agnor)

16:15 Rosemary Wyse Johns Hopkins University Brouwer Award Lecture: The Cosmological Context of the Milky Way Galaxy      [Video Recording]

Reception and Poster Session

19:00 Adjourn
Wednesday, June 14 - Arts Two Lecture Theatre (Building #35 on the Campus Map)
8:00 Arts Two Opens
8:15 Coffee, Tea and Continental Breakfast

Kuiper Belt and Planet Nine (Chair: Matthew Payne)

9:00 Michele Bannister Queen's University Belfast Fantastic Icy Worlds and Where to Find Them (Invited)     [Video Recording]
9:35 Rodney Gomes Obs. Nacional Making the cold Kuiper belt in a planetary instability migration model    [Video Recording]
9:50 Darin Ragozzine Brigham Young University Tripling the Haumea Family Membership to Constrain Its Formation     [Video Recording]
10:05 Elizabeth Bailey Caltech The Role of Resonances in the Search for Planet Nine     [Video Recording]
10:20 Robert Jacobson JPL Constraints on the Mass and Location of Planet 9 set by Range and VLBI Observations of Spacecraft at Saturn
10:35 Coffee Break

Comets (Chair: Phil Nicholson)

11:05 Travis Swenson Stanford University Invariant Manifolds and the Transport and Capture of Comet Shoemaker-Levy 9     [Video Recording]
11:20 Luke Dones Southwest Research Institute Ways of Changing the Number and Size Distribution of Ecliptic Comets     [Video Recording]

Rings and Moons Beyond Saturn (Chair: Phil Nicholson)

11:35 Robert Chancia University of Idaho Weighing Uranus' moon Cressida with the η ring (Duncombe Award winner)     [Video Recording]
11:50 Bruno Sicardy Obs. Paris and Paris 6 Univ. The dynamics of rings around small, irregular bodies
12:05 Mark Showalter SETI Institute Ongoing Dynamics and Evolution of Neptune's Ring-Moon System
12:20 Rosemary Cave Queen Mary University of London Uranus' Unstable Moons: Collision Outcomes and Implications     [Video Recording]
12:35 Lunch

Galaxies and Cosmology (Chair: Anna Lisa Varri)

14:05 Ann-Marie Madigan CU Boulder Tidal disruption events from eccentric nuclear stellar disks     [Video Recording]
14:20 Heikki Salo University of Oulu N-body modeling of barlens galaxies: Boxy/Peanut/X observed at different viewing geometries
14:35 Juntai Shen Shanghai Astronomical Obs. A Potential Proxy of the Second Integral of Motion (I2) in a Rotating Barred Potential
14:50 Phil Breen University of Edinburgh Dynamical evolution of globular clusters in dark matter halos
15:05 Raphaël Errani University of Edinburgh The effect of a disc on the population of cuspy and cored dark matter substructures in Milky Way-like galaxies
15:20 Toshio Fukushima National Astronomical Observatory of Japan Numerical computation of gravitational field of general extended body and its application to rotation curve study of galaxies     [Video Recording]
15:35 Indranil Banik University of Saint Andrews The High Velocity Galaxy Challenge to ΛCDM in the Local Group     [Video Recording]
15:50 Coffee Break

Saturn's Rings and Ring-Satellite Dynamics (Chair: Matt Tiscareno)

16:20 Maryame El Moutamid Cornell University On what we have learned about the system of Saturn thanks to Cassini (Invited)     [Video Recording]
16:55 Silvia Giuliatti-Winter Campus De Guaratingueta UNESP The Long Term Evolution of the Satellites Aegaeon, Methone, Anthe, and Pallene, and the Nearby Region
17:10 Aurélien Crida Observatoire de la Côte d'Azur Formation of Janus and Epimetheus from Saturn's rings as coorbitals, thanks to Mimas' 2:3 inner Mean Motion Resonances     [Video Recording]
17:25 Jing Luan University of California at Berkeley How tides get dissipated in Saturn? A question probably answerable by Cassini     [Video Recording]
17:40 Benoit Noyelles University of Namur The relation between the geophysical activity of the Saturnian satellites and the Cassini Division     [Video Recording]
17:55 Adjourn
19:00 Banquet
Thursday, June 15 - Arts Two Lecture Theatre (Building #35 on the Campus Map)
8:00 Arts Two Opens
8:15 Coffee, Tea and Continental Breakfast

Cassini Ring-Grazing Orbits and Grand Finale, Part 1 (Chair: Marina Brozovic)

9:00 Pierre-Yves Longaretti IPAG Global modes in Saturn’s main rings. Theoretical background and current issues (Invited)     [Video Recording]
9:35 Glen Stewart Univ. of Colorado Straw Formation and Enhanced Damping of Strong Density Waves in Saturn’s Rings     [Video Recording]
9:50 Marius Lehmann University of Oulu The role of collective self-gravity in the nonlinear evolution of viscous overstability in Saturn's rings
10:05 Joseph Spitale Planetary Science Institute Saturn's Misbegotten Moonlets     [Video Recording]
10:20 Coffee Break

Cassini Ring-Grazing Orbits and Grand Finale, Part 2 (Chair: Glen Stewart)

10:50 Linda Spilker JPL Cassini's Grand Finale and Recent Science Highlights (Invited)     [Video Recording]
11:25 Matthew Tiscareno SETI Institute Targeted flyby images of propellers in Saturn's A ring     [Video Recording]
11:40 Matthew Hedman University of Idaho Drifting waves in Saturn's C ring, evidence for changes in Saturn's interior     [Video Recording]
11:55 Philip Nicholson Cornell Univ. The puzzling structure in Saturn's outer B ring     [Video Recording]
12:10 Carl Murray Queen Mary University of London High resolution Cassini observations of Saturn’s A ring in the vicinity of object "Peggy"
12:25 Lunch

Small Bodies, Stability, and Instability (Chair: Aswin Sekhar)

14:00 Michael Cahill Univ. of Wisconsin, Washington County Use of the Digamma Function in Statistical Astrophysics Distributions     [Video Recording]
14:15 Apostolos Christou Armagh Observatory and Planetarium Orbital evolution and escape of Martian Trojans due to the Yarkovsky effect     [Video Recording]
14:30 Seth Jacobson University of Bayreuth Origin of the Mars Trojans     [Video Recording]
14:45 Daohai Li Armagh Observatory Dispersion of the Himalia family of jovian irregular satellites by planetesimal encounters     [Video Recording]
15:00 Othon Winter UNESP Dynamical Evolution of NEAs: A New Classification
15:15 Brian Anderson University of Southern California Invariant Manifolds and The Transport of Asteroid 2006 RH120
15:30 Adjourn

Posters  - Arts Two Lecture Theatre (Building #35 on the Campus Map)
Dimitri Veras University of Warwick Total, partial and annular eclipse geometry of exoplanetary systems at exo-syzygy
Aswin Sekhar Centre for Earth Evolution and Dynamics Change in Minimum Orbit Intersection Distance due to General Relativistic Precession in Small Solar System Bodies
Robert Jedicke University of Hawaii Broken Plane Delta-v Calculation For Rapid Assessment of Synthetic Asteroid Targets for In-situ Resource Utilization
Marina Brozovic Jet Propulsion Laboratory/Caltech Lost and found: orbital uncertainties of the irregular satellites of the outer planets
Thomas Rimlinger University of Maryland, College Park Ringing in an HNBody Upgrade
Kedron Silsbee Princeton University Forming a detached disk in the absence of external perturbations
Juntai Shen Shanghai Astronomical Obs. Gas inflow patterns and nuclear rings in barred galaxies
Altair Gomes Observatório do Valongo Predictions of Stellar Occultations by Irregular Satellites up to 2020
Bruno Morgado Observatório Nacional do Brasil Astrometry of mutual approximations between the Galilean moons observed at 2016
Elke Pilat-Lohinger University of Vienna Multi-Planets in Binary Star Systems