EUROWD22: Scientific Program
Abstracts of talks and posters below are available here.
Talks
The individual time slots for talks are 12 minutes plus 3 minutes for discussion.
Talks marked with (V) will be given virtually.
Monday, August 15, 2022
09:00 | Werner | Welcome & Opening |
Chair: Hermes | ||
T1: White dwarf samples, surveys, and luminosity functions | ||
09:15 | Jordan | White dwarfs in Gaia DR1, DR2, EDR3, and DR3 |
09:30 | Barstow | White dwarfs in Gaia DR3 |
09:45 | Mander | Synthetic photometry and the white dwarf luminosity function in Gaia DR3 |
10:00 | Vani | Properties of White Dwarfs in the JJ model based on Gaia EDR3 |
10:15 | O'Brien | Completing the 40 pc spectroscopic sample of Gaia white dwarfs |
10:30 | coffee & posters | |
11:15 | Bagnulo | A spectropolarimetric survey of white dwarfs in the local 20pc volume |
11:30 | Vincent | A neural network-based algorithm for fast classification and analysis of large samples of white dwarf stars |
11:45 | Caiazzo | A survey of white dwarf merger remnants with ZTF |
12:00 | Castanheira | White Dwarfs in the HETDEX survey |
12:15 | Kosakowski | The ELM Survey South |
12:30 | LOC | Announcements |
12:35 | lunch | |
Chair: Pelisoli | ||
14:15 | Cukanovaite | Local stellar formation history from the 40pc white dwarf sample (V) |
14:30 | Lam | Star Formation History – The Story As Told By The Galactic White Dwarf Luminosity Functions |
14:45 | Raddi | White dwarfs and the Galactic chemodynamics |
15:00 | Zakamska | A modern look at the white dwarf equation of state and at the binary white dwarf population |
15:15 | Parker | CSPN in the HASH database - Investigations and Insights |
15:30 | coffee & posters | |
T2: SN Ia connection | ||
16:15 | Ugalino | Three-dimensional simulations of turbulently-driven deflagration-to-detonation transition in near-Chandrasekhar type Ia supernovae |
16:30 | Wong | He Flash Due to Mass Transfer from High-entropy He WDs |
16:45 | Burmester | AREPO White Dwarf merger simulations resulting in edge-lit detonation and run-away hypervelocity companion |
17:00 | Pritzkuleit | Hyperrunaway hot subdwarfs from supernovae type Ia |
T3: White dwarfs with planetary systems | ||
17:15 | Cheng | Planet candidates around massive white dwarfs |
17:30 | Wangnok | Investigation of the circumbinary planet in a polar CV DP Leo |
17:45 | end of Monday session |
Tuesday, August 16, 2022
Chair: El-Badry | ||
| T3: White dwarfs with planetary systems | |
09:00 | Vanderbosch | Discovery and Characterization of Transiting Planetary Debris Systems with Gaia and ZTF |
09:15 | Guidry | Characterizing the Orbital Periods of Transiting Planetary Debris around White Dwarfs |
09:30 | Gentile Fusillo | White dwarfs and gas discs: the good, the bad, and the weird |
09:45 | Rogers | Using polluted white dwarfs to understand exoplanetary material |
10:00 | Elms | Spectral analysis of ultra-cool white dwarfs polluted by planetary debris |
10:15 | Kaiser | The Origin of Lithium Enhancement in Polluted White Dwarfs |
10:30 |
| coffee & posters |
11:15 | Badenas Agusti | Spectroscopic Characterization of Helium-Dominated Polluted White Dwarfs with Machine Learning |
11:30 | Cunningham | A white dwarf accreting planetary material determined from X-ray observations |
11:45 | Maldonado | Understanding the origin of metal pollution in white dwarf atmospheres through dynamical evolution of planetary systems |
12:00 | Okuya | Modeling of Accretion Disks Originating from Disrupted Rocky/Icy Planetary Bodies around White Dwarfs |
12:15 | Swan | Infrared variation at dusty systems |
T4: Atmospheres: composition & evolution | ||
12:30 | Dunlap | Flux Calibration and Balmer Line Shapes |
12:45 | lunch | |
Chair: Pala | ||
14:15 | Tremblay | Improved Simulations of Stark Broadened Helium Line Profiles for DB White Dwarfs |
14:30 | Gamrath | Systematic Calculations of oscillator strengths of intermediatly ionised trans-iron elements for the spectral analysis of hot white dwarfs |
14:45 | Landstorfer | Super Metal-Rich Pre-White Dwarfs as High-Precision Atomic-Physics Laboratories |
15:00 | Wajid | New Transition Probabilities for Trans-Iron Elements: Zn IV |
15:15 | Izquierdo | Systematic uncertainties in the characterisation of He-dominated metal-polluted white dwarfs |
15:30 | coffee & posters | |
16:15 | Bédard | A detailed modeling of the DO-to-DA spectral evolution |
16:30 | Filiz | Spectral analysis of hot DA- and DAO-type white dwarfs |
16:45 | Sahu | HST/COS Ultra-Violet high-resolution spectroscopic survey of DA White Dwarfs |
17:00 | López-Sanjuan | Spectral evolution and calcium white dwarfs in J-PLUS |
17:15 | Landstreet | Rotation periods and surface magnetic field structures of young weak-field magnetic white dwarfs |
17:30 | Amorim | Magnetic White Dwarfs rich in Hydrogen |
17:45 | end of Tuesday session |
Wednesday, August 17, 2022
Chair: Dunlap | ||
T4: Atmospheres: composition & evolution | ||
09:00 | Hardy | Spectrophotometric analysis of hydrogen rich magnetic white dwarf stars |
09:15 | Moss | Spectroscopic Variability of Magnetic White Dwarfs |
09:30 | Reindl | Update on UHE white dwarfs |
09:45 | Walters | DAHe stars have active chromospheres |
10:00 | Hermes | Emerging thoughts on the new class of DAHe white dwarfs |
10:15 | Stopkowicz | Prediction and assignment of spectra from strongly magnetized White Dwarf stars using high-accuracy quantum chemistry |
10:30 | coffee & posters | |
11:15 | Farihi | Evidence that all DQ stars are binary / merger products |
11:30 | Kowalski | Consistent model fits to the complete spectra of cool DQ/DQp stars |
11:45 | Miller | Massive White Dwarfs From Nearby Young Clusters |
| T5: Pulsating and variable white dwarfs | |
12:00 | Antunes Amaral | Search for new variable Extremely-low mass white dwarf stars |
12:15 | Calcaferro | Exploring the internal rotation of the extremely low-mass white-dwarf star GD 278 with TESS asteroseismology (V) |
12:30 | Boston | Ensemble asteroseismology of blue-edge ZZ Cetis using THRAIN, the mighty white dwarf code (V) |
12:45 | lunch | |
Chair: Battich | ||
14:15 | Romero | Pulsating White dwarfs with hydrogen-rich atmospheres |
14:30 | Sowicka | GW Vir instability strip in the light of new observations of PG 1159 stars |
14:45 | Uzundag | Pulsating hydrogen-deficient white dwarfs and pre-white dwarfs observed with TESS: Discovery of new GW Vir stars |
15:00 | end of Wednesday session | |
17:00 | busses will start to our conference dinner |
Thursday, August 18, 2022
Chair: Raddi | ||
T5: Pulsating and variable white dwarfs | ||
09:00 | Kumar | Seismology of accreting white dwarfs |
T6: Structure, stellar evolution, fundamental physics | ||
09:15 | Bauer | MESA Models of WD Cooling with C/O Phase Separation |
09:30 | Camisassa | Ultra-massive white dwarf models |
09:45 | Jeffery | Improving Ages of Individual White Dwarfs |
10:00 | Battich | Structure and evolution of massive white dwarfs in general relativity |
10:15 | Perot | Tidal deformability of crystallized white dwarfs in full general relativity |
10:30 | coffee & posters | |
11:15 | Blouin | Recent progress on the modelling of crystallizing white dwarfs |
11:30 | Ginzburg | Crystallization dynamos: slow convection and fast rotation (V) |
11:45 | Montgomery | Improving the Physics of Mixing During Phase Separation in Crystallizing White Dwarf Stars |
12:00 | Korčáková | New Evolutionary Channel of Magnetic White Dwarfs? |
12:15 | Schreiber | The origin and evolution of strong magnetic fields in white dwarfs |
T7: White dwarfs in binaries, cataclysmic variables | ||
12:30 | Parsons | The White Dwarf Binary Pathways Survey |
12:45 | lunch | |
Chair: Reindl | ||
14:15 | Torres | A population synthesis study of the Gaia resolved white dwarf binary population |
14:30 | Korol | Double white dwarf separation distribution: astrometric evidence from GAIA for a gap at 1 AU (V) |
14:45 | Hollands | Measuring the initial-final mass relation using wide binaries |
15:00 | Barrientos | Improved Constraints on the Initial-to-Final Mass Relation of White Dwarfs using Wide Binaries |
15:15 | Heintz | Testing White Dwarf Age Estimates using Wide Double White Dwarf Binaries from Gaia EDR3 |
15:30 | coffee & posters | |
16:15 | Rajamuthukumar | White dwarf interactions in triple star systems |
16:30 | Rebassa-Mansergas | An old triple system with an inner brown dwarf-white dwarf binary and an outer white dwarf companion |
16:45 | Chickles | Searching for eclipsing double white dwarfs in TESS 200s full frame images |
17:00 | Lagos | Evidence for a bi-modal distribution of post mass transfer systems? |
17:15 | Brown | High-speed follow-up of eclipsing WD+dM binaries from ZTF |
17:30 | Caiazzo | A survey of white dwarf merger remnants with ZTF |
17:45 | end of Thursday session |
Friday, August 19, 2022
Chair: Schreiber | ||
| T7: White dwarfs in binaries, cataclysmic variables | |
09:00 | Schaffenroth | A bright, hot white dwarf with an M dwarf companion showing a large reflection effect |
09:15 | Hallakoun | An ultra-hot irradiated likely brown dwarf orbiting a white dwarf (V) |
09:30 | van Roestel | Uncovering the population of close white dwarf binaries using eclipses |
09:45 | Pala | Evolution of accreting white dwarfs from HST and Gaia |
10:00 | Green | Eclipse Timing of AM CVn Binary Stars |
10:15 | Munday | Over 20 years of the shortest-period binary star system HM Cancri: orbital decay and MESA evolution -- AM CVn |
10:30 | coffee & posters | |
11:15 | Littlefair | Angular Momentum Loss in accreting WD binaries |
11:30 | El-Badry | A ZTF survey for evolved cataclysmic variables turning into extremely low-mass white dwarfs |
11:45 | Muñoz Giraldo | X-ray orbital modulation of a candidate period bounce cataclysmic variable |
12:00 | Suleimanov | Hard X-ray luminosity function of Cataclysmic Variables in Gaia era |
12:15 | Neustroev | On the determination of fundamental parameters of accreting white dwarfs |
12:30 | Shen | Binary Interaction Dominates Mass Loss in Classical Novae |
12:45 | lunch | |
Chair: Romero | ||
14:15 | Rawat | Unveiling the nature of two intermediate polars: V902 Mon and SWIFT J0746.3-1608 |
14:30 | Ramirez | A study of TCP J2104, a highly evolved Cataclysmic Variable |
14:45 | Pelisoli | Searching for AR Sco 2.0: are other white dwarf pulsars out there? |
15:00 | Poggiani | Post-outburst Spectroscopic Investigation of Northern Novae (V) |
15.15 | Toloza | The C/N ratio from FUV spectroscopy as a constraint upon the past evolution of HS0218+3229 |
15:30 | Werner | Closing |
15:45 | end of EUROWD22 |
Posters
The poster size is the German A0 format (84.1 x 118.9 cm, upright).
The poster number is the combination of topic number and poster number, e.g., T1P01.
The list of posters is available here.