Scientific Programme
Below you can find the schedule and scientific programme for the entire week, which can also be downloaded in PDF format here: IAUS_357_Programme.pdf
A listing of abstracts for contributed talks and posters can be downloaded in PDF format here: IAUS_357_Abstracts.pdf
Slides for the talks can be accessed here.
Sunday, October 20
17:00
Welcoming Reception and Registration (17:00-19:00)
Monday, October 21
8:00
Conference Registration (also available during Welcoming Reception)
9:00
Welcome – Scot Kleinman
9:15
Opening Intro – Martin Barstow
9:30
Ashley Ruiter (Invited Talk)
Type Ia supernova sub-classes and progenitor origin
SN Ia Progenitors
Chair: Scot Kleinman
9:45
10:00
A. Cikota – Investigating Progenitors of Type Ia Supernovae using Spectropolarimetry
10:15
E. Bauer – Thermonuclear Supernovae and White Dwarf Pollution
10:30
Coffee Break
10:45
11:00
Carles Badenes (Invited Talk)
Binary White Dwarfs as Type Ia SN Progenitors
SN Ia Progenitors
Chair: Scot Kleinman
11:15
11:30
Y. Zenati – The Origin of Standard Thermonuclear Supernovae from Hybrid White Dwarf Mergers
11:45
E. Wilson – Convection in Common Envelopes and the formation of Double White Dwarfs
12:00
Lunch
12:15
12:30
12:45
13:00
13:15
13:30
N. Hallakoun – Characterizing the local double white dwarf population
Chair: Sandy Leggett
13:45
J.J. Hermes – Paparazzi lightning: 68 million images of white dwarfs from space
14:00
J. Barnett – Double Degenerates in the Open Cluster NGC 6633
14:15
C-H. Lee – ANTARES: a community broker to digest the LSST firehose
14:30
T. Prince – Observations of short period white dwarf systems with the Zwicky Transient Facility
14:45
S. Cheng – The Delayed Evolution of High-mass White Dwarfs: a Cooling Anomaly and Double-White-Dwarf Mergers
15:00
Discussion
Moderator – Martin Barstow
15:15
15:30
Coffee Break
15:45
16:00
Eva Villaver (Invited Talk)
Planetary Pieces: Putting All the Clues Together Using White Dwarfs
Debris from Extrasolar Planetary Systems
Chair: Sandy Leggett
16:15
16:30
A. Doyle – Exoplanetary Oxygen Fugacities from Polluted White Dwarf Stars
16:45
M. Kissler-Patig – An HST imaging search for giant planets around the 7 white dwarfs in the Hyades cluster (H. Zinnecker)
17:00
T. Dupuy – Orbit and Dynamical Mass of a White Dwarf in a Planet-Hosting Binary System
17:15
Discussion
Moderator – Lillia Ferrario
17:30
17:45
Bonus Talk
A. Grace – Maunakea and Hawai’i Culture: Then and Now
18:00
Tuesday, October 22
9:00
Chris Manser (Invited talk)
Remnant planetary systems around white dwarfs
Debris from Extrasolar Planetary Systems
Chair: Paula Szkody
9:15
9:30
L. Rogers – Infrared variability around planetesimal-eating white dwarfs
9:45
K. Bell – The Search for Transiting Planets and Planetesimals with the Zwicky Transient Facility
10:00
M. Kissler-Patig – Planets around white dwarfs as seen by the TESS mission
10:15
M. Coleman – White Dwarfs as Accretion disk laboratories
10:30
Coffee Break
10:45
11:00
D. Wilson – Discovery of an Irradiated Brown Dwarf Companion to a White Dwarf
11:15
J. Krzesinski – Searching for Low-mass Companions Around White Dwarfs and Subdwarfs from Kepler field.
11:30
Discussion
Moderator – Siyi Xu
11:45
12:00
Conference Photo
12:15
12:30
Lunch
12:45
13:00
13:15
13:30
Susana Landau (Invited Talk)
Variation of fundamental constants
Fundamental Physics
Chair: JJ Hermes
13:45
14:00
D. Winget – Understanding spectra from white dwarf photospheres: benchmarking the atomic physics
14:15
X. Chen – Extremely low-mass white dwarfs in double degenerates: Formation and Significance for LISA
14.30
B. Dunlap – Learning about Line Shapes and Masses from Gaia Parallaxes
14:45
L. McNeill – Probing white dwarf structure with LISA: using gravitational waves for asteroseismology
15:00
L. Tchang-Brillet – Laboratory studies of VUV emission spectra of heavy element ions
15:15
P. Tremblay – Neutral Helium Line Profiles through the Simulation of Local Interactions in White Dwarfs
15:30
Coffee Break
15:45
16:00
Adela Kawka (Invited Talk)
The origin and properties of magnetic white dwarfs
Fundamental Physics
Chair: JJ Hermes
16:15
16:30
F. Hardy – A New Look at Magnetic White Dwarfs
16:45
S. Kalita – Continuous gravitational wave from magnetized compact objects
17:00
K. Burdge – The shortest period eclipsing binary
17:15
P. Bera – Quasi-periodic oscillations from post-shock accretion column of strongly magnetized accreting white dwarfs
17:30
Discussion
Moderator – S. O. Kepler
17:45
Wednesday, October 23
9:00
Alejandro Córsico (Invited Talk)
White dwarf asteroseismology
Precision Studies of White Dwarf Structure
Chair: Agnes Kim
9:15
9:30
H. Shipman – 40 Years of Pulsating White Dwarfs
9:45
F. de Geronimo – Evolution and asteroseismology of ultra-massive white dwarfs.
10:00
A. Kim – Validation of Asteroseismic fitting with the new White Dwarf Evolution Code
10:15
J. den Hartogh – Using asteroeseismically obtained core rotation rates of low and intermediate mass stars to investigate slow neutron capture nucleosynthesis
10:30
Coffee Break
10:45
11:00
P. Skody – Accreting, Pulsating WDs: Probing Heating and Rotation
11:15
Z. Vanderbosch – A Ground-Based Detection of an Outbursting DBV White Dwarf
11:30
S. Charpinet – The chemical structure of the hot pulsating DB white dwarf KIC 08626021 from asteroseismology
11:45
B. Castanheira – Asteroseismology of white dwarfs observed by Kepler and K2
12:00
Excursion
19:00
Public Talk at ‘Imiloa Astronomy Center
M. Barstow – What has space done for us?
Thursday, October 24
9:00
M. Tucker – Gone But Not Forgotten: A Decade of Archival GALEX Data Reveals a Multitude of Variable White Dwarfs
9:15
O. Vincent – Searching for ZZ Ceti white dwarfs in the Gaia survey
Chair: Elizabeth Jeffery
9:30
J. Provencal – White Dwarfs and Convection
9:45
Discussion
Moderator – Barbara Castanheira-Endl
10:00
10:15
10:30
Coffee Break
10:45
11:00
Paola Marigo (Invited Talk)
What can we learn from the initial-final mass relation of white dwarfs?
Stellar Physics and Galactic Evolution
Chair: Elizabeth Jeffery
11:15
11:30
M. Hajduk – Real time evolution of post-AGB stars
11:45
L. Löbling – (Pre)-white dwarf stars as measuring tools for yields of asymptotic giant branch nucleosynthesis
12:00
Lunch
12:15
12:30
12:45
13:00
13:15
13:30
Jordi Isern (Invited Talk)
White dwarfs as Advanced Physics laboratories: the axion case
Stellar Physics and Galactic Evolution
Chair: Patrick Dufour
13:45
14:00
T. Oswalt – The Completeness of Gaia-Selected Samples of White Dwarfs—Are We There Yet?
14:15
K. Williams – Ensemble Evolutionary Studies of White Dwarfs
14:30
N. Lagarde – New population synthesis approach: the golden path to constrain
14:45
T. von Hippel – White Dwarfs, Gaia, and the Age of the Galactic Disk
15:00
Coffee Break
15:15
15:30
E. Jeffery – A Bayesian Analysis of White Dwarfs in Open Clusters Observed with Gaia
15:45
N. Fantin – Measuring the Star Formation of the Milky Way Using its Stellar Graveyard
16:00
S.O. Kepler – Mass distribution of white dwarfs
16:15
T. Heintz – Comparing the Total Ages of Wide Double White Dwarfs in Gaia DR2
16:30
Discussion
Moderator – Judi Provencal
16:45
17:00
Break before dinner
17:15
17:30
Leave for dinner
Friday, October 25
9:00
V. Suleimanov – Statistics of white dwarf properties in intermediate polars
Chair: Atsuko Nitta
9:15
P. Muralimohan – Geometry of nova ejecta
9:30
N. Finch – What can ISM and non-photospheric highly ionised lines in WD spectra reveal about the beta CMa tunnel?
9:45
A. Bedard – The spectral evolution of hot white dwarfs
10:00
T. Rauch – Heavy-metal white dwarfs
10:15
N. Gentile Fusillo – Cool white dwarfs as standards for infrared observations
10:30
Coffee Break
10:45
11:00
S. Blouin – The Spectral Evolution of Cool White Dwarfs
11:15
P. Dufour – Origin and evolution of carbon atmosphere white dwarf stars
11:30
H. Richer – Gaia, Star Clusters and Massive White Dwarfs: Discovery of the White Dwarf That Has Everything
11:45
K. Masuda – Discovery of four white dwarfs in self-lensing binaries
12:00
Lunch
12:15
12:30
12:45
13:00
13:15
13:30
B. Kayastha – Dynamical Evolution of Globular Clusters with White Dwarfs, Neutron Stars and Black Holes using the GPU supercomputer
Chair: Gerald Handler
13:45
M. Hollands – A white dwarf of spectral type DAQ
14:00
E. Cukanovaite – Calibration of the mixing length parameter for DB and DBA white dwarf based on 3D atmospheric models
14:15
T. Cunningham – From hydrogen to helium: the convectively driven spectral evolution of white dwarfs
14:30
Closing Review
14:45
15:00
Discussion
Moderator – Lillia Ferrario
15:15
15:30
15:45
Coffee Break
16:00
Below you can find the schedule and scientific programme for the entire week, which can also be downloaded in PDF format here: IAUS_357_Programme.pdf
A listing of abstracts for contributed talks and posters can be downloaded in PDF format here: IAUS_357_Abstracts.pdf
Slides for the talks can be accessed here.
| Sunday, October 20 | ||||
| 17:00 | Welcoming Reception and Registration (17:00-19:00) | |||
| Monday, October 21 | ||||
| 8:00 | Conference Registration (also available during Welcoming Reception) | |||
| 9:00 | Welcome – Scot Kleinman | |||
| 9:15 | Opening Intro – Martin Barstow | |||
| 9:30 | Ashley Ruiter (Invited Talk)
Type Ia supernova sub-classes and progenitor origin |
SN Ia Progenitors
Chair: Scot Kleinman |
||
| 9:45 | ||||
| 10:00 | A. Cikota – Investigating Progenitors of Type Ia Supernovae using Spectropolarimetry | |||
| 10:15 | E. Bauer – Thermonuclear Supernovae and White Dwarf Pollution | |||
| 10:30 | Coffee Break | |||
| 10:45 | ||||
| 11:00 | Carles Badenes (Invited Talk)
Binary White Dwarfs as Type Ia SN Progenitors |
SN Ia Progenitors
Chair: Scot Kleinman |
||
| 11:15 | ||||
| 11:30 | Y. Zenati – The Origin of Standard Thermonuclear Supernovae from Hybrid White Dwarf Mergers | |||
| 11:45 | E. Wilson – Convection in Common Envelopes and the formation of Double White Dwarfs | |||
| 12:00 | Lunch | |||
| 12:15 | ||||
| 12:30 | ||||
| 12:45 | ||||
| 13:00 | ||||
| 13:15 | ||||
| 13:30 | N. Hallakoun – Characterizing the local double white dwarf population | Chair: Sandy Leggett | ||
| 13:45 | J.J. Hermes – Paparazzi lightning: 68 million images of white dwarfs from space | |||
| 14:00 | J. Barnett – Double Degenerates in the Open Cluster NGC 6633 | |||
| 14:15 | C-H. Lee – ANTARES: a community broker to digest the LSST firehose | |||
| 14:30 | T. Prince – Observations of short period white dwarf systems with the Zwicky Transient Facility | |||
| 14:45 | S. Cheng – The Delayed Evolution of High-mass White Dwarfs: a Cooling Anomaly and Double-White-Dwarf Mergers | |||
| 15:00 | Discussion
Moderator – Martin Barstow |
|||
| 15:15 | ||||
| 15:30 | Coffee Break | |||
| 15:45 | ||||
| 16:00 | Eva Villaver (Invited Talk)
Planetary Pieces: Putting All the Clues Together Using White Dwarfs |
Debris from Extrasolar Planetary Systems
Chair: Sandy Leggett |
||
| 16:15 | ||||
| 16:30 | A. Doyle – Exoplanetary Oxygen Fugacities from Polluted White Dwarf Stars | |||
| 16:45 | M. Kissler-Patig – An HST imaging search for giant planets around the 7 white dwarfs in the Hyades cluster (H. Zinnecker) | |||
| 17:00 | T. Dupuy – Orbit and Dynamical Mass of a White Dwarf in a Planet-Hosting Binary System | |||
| 17:15 | Discussion
Moderator – Lillia Ferrario |
|||
| 17:30 | ||||
| 17:45 | Bonus Talk
A. Grace – Maunakea and Hawai’i Culture: Then and Now |
|||
| 18:00 | ||||
| Tuesday, October 22 | ||||
| 9:00 | Chris Manser (Invited talk)
Remnant planetary systems around white dwarfs |
Debris from Extrasolar Planetary Systems
Chair: Paula Szkody |
||
| 9:15 | ||||
| 9:30 | L. Rogers – Infrared variability around planetesimal-eating white dwarfs | |||
| 9:45 | K. Bell – The Search for Transiting Planets and Planetesimals with the Zwicky Transient Facility | |||
| 10:00 | M. Kissler-Patig – Planets around white dwarfs as seen by the TESS mission | |||
| 10:15 | M. Coleman – White Dwarfs as Accretion disk laboratories | |||
| 10:30 | Coffee Break | |||
| 10:45 | ||||
| 11:00 | D. Wilson – Discovery of an Irradiated Brown Dwarf Companion to a White Dwarf | |||
| 11:15 | J. Krzesinski – Searching for Low-mass Companions Around White Dwarfs and Subdwarfs from Kepler field. | |||
| 11:30 | Discussion
Moderator – Siyi Xu |
|||
| 11:45 | ||||
| 12:00 | Conference Photo | |||
| 12:15 | ||||
| 12:30 | Lunch | |||
| 12:45 | ||||
| 13:00 | ||||
| 13:15 | ||||
| 13:30 | Susana Landau (Invited Talk)
Variation of fundamental constants |
Fundamental Physics
Chair: JJ Hermes |
||
| 13:45 | ||||
| 14:00 | D. Winget – Understanding spectra from white dwarf photospheres: benchmarking the atomic physics | |||
| 14:15 | X. Chen – Extremely low-mass white dwarfs in double degenerates: Formation and Significance for LISA | |||
| 14.30 | B. Dunlap – Learning about Line Shapes and Masses from Gaia Parallaxes | |||
| 14:45 | L. McNeill – Probing white dwarf structure with LISA: using gravitational waves for asteroseismology | |||
| 15:00 | L. Tchang-Brillet – Laboratory studies of VUV emission spectra of heavy element ions | |||
| 15:15 | P. Tremblay – Neutral Helium Line Profiles through the Simulation of Local Interactions in White Dwarfs | |||
| 15:30 | Coffee Break | |||
| 15:45 | ||||
| 16:00 | Adela Kawka (Invited Talk)
The origin and properties of magnetic white dwarfs |
Fundamental Physics
Chair: JJ Hermes |
||
| 16:15 | ||||
| 16:30 | F. Hardy – A New Look at Magnetic White Dwarfs | |||
| 16:45 | S. Kalita – Continuous gravitational wave from magnetized compact objects | |||
| 17:00 | K. Burdge – The shortest period eclipsing binary | |||
| 17:15 | P. Bera – Quasi-periodic oscillations from post-shock accretion column of strongly magnetized accreting white dwarfs | |||
| 17:30 | Discussion
Moderator – S. O. Kepler |
|||
| 17:45 | ||||
| Wednesday, October 23 | ||||
| 9:00 | Alejandro Córsico (Invited Talk)
White dwarf asteroseismology |
Precision Studies of White Dwarf Structure
Chair: Agnes Kim |
||
| 9:15 | ||||
| 9:30 | H. Shipman – 40 Years of Pulsating White Dwarfs | |||
| 9:45 | F. de Geronimo – Evolution and asteroseismology of ultra-massive white dwarfs. | |||
| 10:00 | A. Kim – Validation of Asteroseismic fitting with the new White Dwarf Evolution Code | |||
| 10:15 | J. den Hartogh – Using asteroeseismically obtained core rotation rates of low and intermediate mass stars to investigate slow neutron capture nucleosynthesis | |||
| 10:30 | Coffee Break | |||
| 10:45 | ||||
| 11:00 | P. Skody – Accreting, Pulsating WDs: Probing Heating and Rotation | |||
| 11:15 | Z. Vanderbosch – A Ground-Based Detection of an Outbursting DBV White Dwarf | |||
| 11:30 | S. Charpinet – The chemical structure of the hot pulsating DB white dwarf KIC 08626021 from asteroseismology | |||
| 11:45 | B. Castanheira – Asteroseismology of white dwarfs observed by Kepler and K2 | |||
| 12:00 | Excursion | |||
| 19:00 | Public Talk at ‘Imiloa Astronomy Center
M. Barstow – What has space done for us? |
|||
| Thursday, October 24 | ||||
| 9:00 | M. Tucker – Gone But Not Forgotten: A Decade of Archival GALEX Data Reveals a Multitude of Variable White Dwarfs | |||
| 9:15 | O. Vincent – Searching for ZZ Ceti white dwarfs in the Gaia survey | Chair: Elizabeth Jeffery | ||
| 9:30 | J. Provencal – White Dwarfs and Convection | |||
| 9:45 | Discussion
Moderator – Barbara Castanheira-Endl |
|||
| 10:00 | ||||
| 10:15 | ||||
| 10:30 | Coffee Break | |||
| 10:45 | ||||
| 11:00 | Paola Marigo (Invited Talk)
What can we learn from the initial-final mass relation of white dwarfs? |
Stellar Physics and Galactic Evolution
Chair: Elizabeth Jeffery |
||
| 11:15 | ||||
| 11:30 | M. Hajduk – Real time evolution of post-AGB stars | |||
| 11:45 | L. Löbling – (Pre)-white dwarf stars as measuring tools for yields of asymptotic giant branch nucleosynthesis | |||
| 12:00 | Lunch | |||
| 12:15 | ||||
| 12:30 | ||||
| 12:45 | ||||
| 13:00 | ||||
| 13:15 | ||||
| 13:30 | Jordi Isern (Invited Talk)
White dwarfs as Advanced Physics laboratories: the axion case |
Stellar Physics and Galactic Evolution
Chair: Patrick Dufour |
||
| 13:45 | ||||
| 14:00 | T. Oswalt – The Completeness of Gaia-Selected Samples of White Dwarfs—Are We There Yet? | |||
| 14:15 | K. Williams – Ensemble Evolutionary Studies of White Dwarfs | |||
| 14:30 | N. Lagarde – New population synthesis approach: the golden path to constrain | |||
| 14:45 | T. von Hippel – White Dwarfs, Gaia, and the Age of the Galactic Disk | |||
| 15:00 | Coffee Break | |||
| 15:15 | ||||
| 15:30 | E. Jeffery – A Bayesian Analysis of White Dwarfs in Open Clusters Observed with Gaia | |||
| 15:45 | N. Fantin – Measuring the Star Formation of the Milky Way Using its Stellar Graveyard | |||
| 16:00 | S.O. Kepler – Mass distribution of white dwarfs | |||
| 16:15 | T. Heintz – Comparing the Total Ages of Wide Double White Dwarfs in Gaia DR2 | |||
| 16:30 | Discussion
Moderator – Judi Provencal |
|||
| 16:45 | ||||
| 17:00 | Break before dinner | |||
| 17:15 | ||||
| 17:30 | Leave for dinner | |||
| Friday, October 25 | ||||
| 9:00 | V. Suleimanov – Statistics of white dwarf properties in intermediate polars | Chair: Atsuko Nitta | ||
| 9:15 | P. Muralimohan – Geometry of nova ejecta | |||
| 9:30 | N. Finch – What can ISM and non-photospheric highly ionised lines in WD spectra reveal about the beta CMa tunnel? | |||
| 9:45 | A. Bedard – The spectral evolution of hot white dwarfs | |||
| 10:00 | T. Rauch – Heavy-metal white dwarfs | |||
| 10:15 | N. Gentile Fusillo – Cool white dwarfs as standards for infrared observations | |||
| 10:30 | Coffee Break | |||
| 10:45 | ||||
| 11:00 | S. Blouin – The Spectral Evolution of Cool White Dwarfs | |||
| 11:15 | P. Dufour – Origin and evolution of carbon atmosphere white dwarf stars | |||
| 11:30 | H. Richer – Gaia, Star Clusters and Massive White Dwarfs: Discovery of the White Dwarf That Has Everything | |||
| 11:45 | K. Masuda – Discovery of four white dwarfs in self-lensing binaries | |||
| 12:00 | Lunch | |||
| 12:15 | ||||
| 12:30 | ||||
| 12:45 | ||||
| 13:00 | ||||
| 13:15 | ||||
| 13:30 | B. Kayastha – Dynamical Evolution of Globular Clusters with White Dwarfs, Neutron Stars and Black Holes using the GPU supercomputer | Chair: Gerald Handler | ||
| 13:45 | M. Hollands – A white dwarf of spectral type DAQ | |||
| 14:00 | E. Cukanovaite – Calibration of the mixing length parameter for DB and DBA white dwarf based on 3D atmospheric models | |||
| 14:15 | T. Cunningham – From hydrogen to helium: the convectively driven spectral evolution of white dwarfs | |||
| 14:30 | Closing Review | |||
| 14:45 | ||||
| 15:00 | Discussion
Moderator – Lillia Ferrario |
|||
| 15:15 | ||||
| 15:30 | ||||
| 15:45 | Coffee Break | |||
| 16:00 | ||||