Session 1: Physiognomy of binary systems with hot subdwarfs or related objects
Chair: Stéphane Charpinet
› A Radial Velocity Survey of Candidate Variable Hot Subdwarfs from Gaia DR2 - Nathan Grinalds & Kyle Corcoran, Department of Chemistry, High Point University
09:10-09:30 (20min)
› New Variable Hot Subdwarfs from the Evryscope - Brad Barlow, Department of Physics, High Point University
09:30-09:50 (20min)
› Short period hot subdwarf variables - Thomas Kupfer, Kavli Institute for Theoretical Physics/UC Santa Barbara
09:50-10:10 (20min)
› Orbital and atmospheric parameters of two long period O-type hot subdwarf binaries - Francisco Molina, Valencian International University
10:10-10:30 (20min)
Session 1: Physiognomy of binary systems with hot subdwarfs or related objects
Chair: Holly Preece
› WD+He star systems and the formation of accretion-induced collapse events - Dongdong Liu, Yunnan Observatories, Chinese Academy of Sciences
14:00-14:20 (20min)
› Recent progress in our understanding of Hen 2-428 - Nicole Reindl, Institut für Physik und Astrophysik [Potsdam]
14:20-14:40 (20min)
Session 2.1: Hot subdwarf properties from binary studies
Chair: Holly Preece
› NY Vir System Revisited in the Light of New Data - Ekrem Esmer, CFisUC, Ankara University
14:40-15:00 (20min)
› HW Vir: I'll be back! - Roy Østensen, N/A
15:00-15:20 (20min)
› The pulsating sdB+dM binary 2M1938+4603 revisited combining asteroseismology and eclipse timing - somaye soomandar, IRAP, Université de Toulouse / The University of Birjand
15:20-15:25 (05min)
Session 2.2 : Hot subdwarf properties from atmospheric studies
Chair: Veronika Schaffenroth
› The 3He anomaly and atmospheric helium stratification of sdB and BHB stars - Ulrich Heber, Dr. Remeis-Sternwarte, Universität Erlangen-Nürnberg
09:10-09:30 (20min)
› Fundamental Parameters of Hot Subdwarf Stars from Gaia Astrometry - David Schneider, Dr. Karl Remeis Observatory & ECAP, University Erlangen-Nürnberg
09:30-09:50 (20min)
› The chemical composition of heavy-metal hot subdwarfs: HZ44 and HD127493 - Matti Dorsch, Institut für Physik und Astronomie, Universität Potsdam, Dr. Remeis-Sternwarte, Universität Erlangen-Nürnberg
09:50-10:10 (20min)
› Feige 46: a second pulsating intermediate He-sdOB and heavy-metal star ? - Marilyn Latour, Universität Göttingen
10:10-10:30 (20min)
› The SALT survey of chemically peculiar subdwarfs - Simon Jeffery, Trinity College Dublin, Armagh Observatory and Planetarium
10:30-10:35 (05min)
Session 2.3: Hot subdwarf properties from asteroseismic studies
Chair: Maja Vuckovic
› Putting sdB star asteroseismology to the test with GAIA - Suzanna Randall, European Southern Observatory
11:10-11:30 (20min)
› Asteroseismic modeling of hot subdwarfs observed by TESS - Valerie Van Grootel, Space Sciences, Technologies and Astrophysics Research Institute
11:30-11:50 (20min)
› Asteroseismology of the g-mode sdB pulsator TIC 278659026 - Stéphane Charpinet, Institut de recherche en astrophysique et planétologie
11:50-12:10 (20min)
› Probing the convective cores of core-helium-burning giants using seismology - Sebastien Deheuvels, IRAP
12:10-12:30 (20min)
› Gauging convective cores in sdB stars with pulsating DA WDs - Tiara Battich, Instituto de Astrofísica de La Plata, Universidad Nacional de La Plata, CONICET
12:30-12:35 (05min)
› Theoretical pulsation spectra for the 4th generation models of hot subdwarf stars - Valerie Van Grootel, Space Sciences, Technologies and Astrophysics Research Institute
12:35-12:40 (05min)
Session 3.1: Hot subdwarf populations and related objects
Chair: Nicole Reindl
› Kinematics of sdB and sdOB stars from GAIA and SDSS data - Alexander Bastian, Institute for Physics and Astronomy, University of Potsdam
16:10-16:30 (20min)
› Quantitative spectral analyses of blue horizontal branch stars - Steven Hämmerich, Dr. Karl Remeis Observatory & ECAP, University Erlangen-Nürnberg
16:30-16:50 (20min)
› Gaia Data Release 2 Catalogue of Extremely-low Mass White Dwarf Candidates - Ingrid Pelisoli, University of Potsdam
16:50-16:55 (05min)
› The mystery on the origin of extreme horizontal branch stars in globular clusters - Annalisa Calamida, SPACE TELESCOPE SCIENCE INSTITUTE - AURA
16:55-17:15 (20min)
Session 3.2: Origin and evolution, progenies and progenitors
Chair: Weikai Zong
› Hot Subdwarf Stars from LAMOST DR5 and Gaia DR2 - Zhanwen Han, Yunnan Observatories
09:00-09:20 (20min)
› Mining the future of low-mass, core-He-burning hot subdwarfs - JJ Hermes, Boston University
09:20-09:40 (20min)
› Helium Stars, Heavy Metals, High Velocities and Explosions - Simon Jeffery, Trinity College Dublin, Armagh Observatory and Planetarium
09:40-10:00 (20min)
› Helium star donors to thermonuclear supernovae - Josiah Schwab, University of California, Santa Cruz
10:00-10:05 (05min)
› Effect of L3 mass loss on formation of sdB-MS binaries - Alexey Bobrick, Lund Observatory
10:05-10:25 (20min)
Session 3.2: Origin and evolution, progenies and progenitors
Chair: Ingrid Pelisoli
› Formation of hot subdwarf B stars with neutron star components - You Wu, Yunnan Observatories, Chinese Academy of Sciences
10:50-11:10 (20min)
› The Formation and Evolution of R Coronae Borealis Stars - Josiah Schwab, University of California, Santa Cruz
11:10-11:30 (20min)
› Thermal Timescale Mass Transfer and the Growth of Helium White Dwarfs - Evan Bauer, Physics Department, UC Santa Barbara
11:30-11:50 (20min)
› He-shell burning hot subdwarf B stars as candidates for blue large-amplitude pulsations - Xuefei CHEN, Yunnan Observatories
11:50-12:10 (20min)
› BLAPS: the Possible Surviving Companions of Type Ia Supernovae - Xiangcun MENG, Yunnan Observatories, Chinese Academy of Sciences
12:10-12:30 (20min)
› A Pulsation Mechanism for He-rich sdOBV stars - Tiara Battich, Instituto de Astrofísica de La Plata
09:10-09:30 (20min)
› Asteroseismology of Tidally Distorted sdB Stars - Holly Preece, Institute of Astronomy, University of Cambridge & Armagh Observatory and Planetarium
09:30-09:50 (20min)
› Musical Orchestra of sub dwarf B stars in NGC6791 - Sachu Sanjayan, Copernicus Astronomical Center of the Polish Academy of Sciences, Pedagogical University of Krakow
09:50-10:10 (20min)
› On a mode geometry in a sample of subdwarf B stars observed by TESS - Sumanta Sahoo, Copernicus Astronomical Center of the Polish Academy of Sciences, Pedagogical University of Krakow
10:10-10:30 (20min)
› Gravity (g) mode pulsators from the TESS mission - Murat Uzundag, University of Valparaiso
11:00-11:20 (20min)
› Kepler view on sdB pulsators: amplitude and frequency variations of oscillation modes - Weikai Zong, Beijing Normal University
11:20-11:40 (20min)
› Pulsation Timing Analysis for a Pulsating Subdwarf B star, EC 05217-3914 - Tomomi Otani, Embry-Riddle Aeronautical University
11:40-12:00 (20min)
› HD 4539: a bright single sdB star showing high-degree g-modes with l up to 12 - Roberto Silvotti, INAF - Osservatorio Astrofisico di Torino
12:00-12:20 (20min)
Session 5: Evolved compact stars as laboratories for stellar physics
Chair: Matti Dorsh
› Recent results on the peculiar sdO binary HD49798 - Sandro Mereghetti, INAF, IASF-Milano
14:10-14:30 (20min)
› S-process nucleosynthesis during the formation of He-rich hot subdwarfs - Tiara Battich, Instituto de Astrofísica de La Plata, Universidad Nacional de La Plata, CONICET
14:30-14:50 (20min)
› Modern evolutionary modelling of sdB stars using the MESA code - Jakub Ostrowski, Pedagogical University of Krakow
14:50-15:10 (20min)
› Atomic Diffusion in Chemically Peculiar Hot Subdwarfs - Conor Byrne, Armagh Observatory and Planetarium, Trinity College Dublin
15:10-15:30 (20min)
