Title: 18th European White Dwarf Workshop (EUROWD12)
Volume: 469 Year: 2013 View Volume 469 on ADS
Editors: Krzesiński, J.; Stachowski, G.; Moskalik, P.; Bajan, K.

Pedagogical University of Cracow, Poland
13–17 August 2012

Every two years, white dwarf researchers and enthusiasts meet to exchange their knowledge and discuss recent developments in white dwarf theory and observations. These proceedings are from the 18th European White Dwarf Workshop held at Pedagogical University of Cracow (Krakow, Poland) on 13th - 17th August, 2012.

The scientific topics discussed in this Workshop included: pulsating white dwarfs; luminosity function, mass distribution, and populations; white dwarf structure and evolution; white dwarf catalogs and surveys; central stars of planetary nebulae; supernova progenitors; white dwarfs in novae and cataclysmic variables; white dwarfs in detached binaries; physical processes in white dwarfs and magnetic white dwarfs; and discs, dust and planets around white dwarfs.

The conference was organized by four institutions: the Polish Astronomical Society, the Astronomy Department of the Pedagogical University of Cracow, the Jagiellonian University Astronomical Observatory, and the Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences. Altogether, these proceedings include 87 talks and posters presented during the meeting.
ISBN: 978-1-58381-820-6 eISBN: 978-1-58381-821-3
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Paper Title Page Authors
Front Matter   
Front Cover
Front Matter 1 Krzesiński, J.; Stachowski, G.; Moskalik, P.; Bajan, K.
Conference Photos 2 Krzesiński, J.; Stachowski, G.; Moskalik, P.; Bajan, K.
Session I. Pulsating White Dwarfs   
Nine Months of Monitoring of a V777-Her Pulsator with the Kepler Spacecraft 3 Ostensen, R. H.
Hot DQ Pulsator or Magnetic White Dwarf Binary? 9 Dunlap, B. H.; Barlow, B. N.; Clemens, J. C.
Measuring the Evolutionary Rate of Cooling of ZZ Ceti 15 Mukadam, A. S.; Kim, A.; Montgomery, M. H.; Córsico, A. H.; Kepler, S. O.; Romero, A. D.; Winget, D. E.; Fraser, O.; Riecken, T. S.; Kronberg, M. E.; Hermes, J. J.; Winget, K. I.; Falcon, R. E.; Chandler, D. W.; Kuehne, J. W.; Sullivan, D. J.; Reaves, D.; von Hippel, T.; Mullally, F.; Shipman, H.; Thompson, S. E.; Silvestri, N. M.; Hynes, R. I.
White Dwarf Constraints on Exotic Physical Theories 21 Malec, B.; Biesiada, M.
Mapping the Properties of Convection in Pulsating White Dwarfs 27 Dalessio, J.; Provencal, J. L.; Montgomery, M. H.; Shipman, H. L.
Enigmas of Accreting Pulsating White Dwarfs 31 Szkody, P.; Mukadam, A. S.; Gänsicke, B. T.; Sion, E. M.; Townsley, D.; Henden, A.
Theoretical Seismic Properties of Low-mass White Dwarfs 37 Córsico, A. H.; Romero, A. D.; Althaus, L. G.; Hermes, J. J.
Asteroseismology of White Dwarfs with Fully Evolutionary Models 41 Córsico, A. H.; Romero, A. D.; Althaus, L. G.; Miller Bertolami, M. M.
A Phase-Centric Analytical Approach to the O–C Diagram 45 Dalessio, J.; Provencal, J. L.; Barlow, B. N.; Shipman, H. L.
Quantitative Asteroseismology: Determination of the Core Composition and Layering of the ZZ Ceti Star R 548. Part II 49 Giammichele, N.; Fontaine, G.; Brassard, P.
Extreme Amplitude Variations of the Pulsating DB White Dwarf Star PG 1456+103 Traced with the Whole Earth Telescope 53 Handler, G.; WET network of collaborators
Discovery of Pulsations in He-core, Extremely Low Mass White Dwarfs 57 Hermes, J. J.; Montgomery, M. H.; Winget, D. E.; Brown, W. R.; Kilic, M.; Kenyon, S. J.; Harrold, S. T.; Bell, K.; Pelletier, J.; Rostopchina, A.
Whole Earth Telescope Observations of the ZZ Ceti Star HS 0507+0434B 61 Vauclair, G.; Dolez, N.; Provencal, J.; Fu, J.-N.
The PG1159 star SDSS J0349–0059 is a GW Virginis Star 65 Warner, B.; Woudt, P. A.
Session II. Luminosity Function, mass distribution and populations   
The Impact of Mergers in the Mass Distribution of White Dwarfs 71 Isern, J.; Catalán, S.; García–Berro, E.; Hernanz, M.
Hot White Dwarf Luminosity Function, non-DA to DA Ratio, SDSS DR7: Possible Improvements 77 Krzesiński, J.
Mass Distribution and Luminosity Functions for DAs and DBs 83 Kepler, S. O.
Inverting the White Dwarf Luminosity Function: The Star Formation History of the Solar Neighborhood 89 Rowell, N.
The White Dwarf Mass Distributions of PCEB with Different αCE Values 95 Irawati, P.; Mahasena, P.; Herdiwijaya, D.; Herdiwijaya, D.
A Preliminary Spectroscopic Analysis of Hyades White Dwarfs 101 Gianninas, A.; Kilic, M.; Brown, W. R.
White Dwarfs Escaping From the Hyades 105 Tremblay, P.-E.; Schilbach, E.; Röser, S.; Jordan, S.; Ludwig, H.-G.; Goldman, B.
Monte Carlo Simulations of the Luminosity Function of Hot White Dwarfs 109 Torres, S.; García–Berro, E.; Krzesiński, J.; Kleinman, S. J.
Session III. White dwarf structure and evolution   
The Angular Momentum of Isolated White Dwarf Stars 115 Fontaine, G.; Brassard, P.; Charpinet, S.
Heavy Element Abundance Patterns in Hot White Dwarfs from a Survey of the FUSE Archive 121 Barstow, M. A.; Casewell, S. L.; Holberg, J. B.; Barstow, J. K.
Know your Neighborhood: The Untold Story 127 Bergeron, P.; Dufour, P.; Giammichele, N.
Are the R Coronae Borealis Stars Produced by White Dwarf Mergers? 133 Clayton, G. C.
Simulations of White Dwarf Mergers 137 Staff, J.; Menon, A.; Herwig, F.; Clayton, G. C.; Even, W. P.; Fryer, C. L.; Motl, P.; Tohline, J. E.; Geballe, T.; Pignatari, M.
HST/COS Spectroscopy of Hydrogen-Deficient Post-AGB Stars: Clues on the Nature of O(He)-Type Stars 143 Reindl, N.; Rauch, T.; Werner, K.; Kruk, J. W.
UV Spectroscopy of Hydrogen-Deficient Post-AGB Stars: PG 1144+005 and PG 1520+525 149 Müller, U. C.; Rauch, T.; Werner, K.; Kruk, J. W.
3D Model Atmospheres of DA White Dwarfs 155 Tremblay, P.-E.; Ludwig, H.-G.; Steffen, M.; Freytag, B.
Metal Abundances in Hot DO White Dwarfs: RE 0503–289 and KPD 0005+5106 161 Werner, K.; Rauch, T.; Ringat, E.; Kruk, J. W.
White Dwarfs with Carbon Dominated Atmosphere: New Observations and Analysis 167 Dufour, P.; Vornanen, T.; Bergeron, P.; Fontaine, Berdyugin, A.
Towards an Understanding of the Atmospheres of Cool White Dwarfs 173 Kowalski, P. M.; Saumon, D.; Holberg, J.; Leggett, S.
High-mass White Dwarfs and the Energy Budget of Common Envelope Evolution 179 Rebassa-Mansergas, A.; Schreiber, M. R.; Zorotovic, M.; Gänsicke, B. T.
Synthetic Light Curves for Born Again Events: Preliminary Results 185 Miller Bertolami, M. M.; Rohrmann, R. D.
Revisiting the Impact of Axions in the Cooling of White Dwarfs 189 Melendez, B.; Miller Bertolami, M.; Althaus, L.
Towards a Standardized Line List for G 191-B2B and other DA Type Objects 193 Preval, S. P.; Barstow, M. A.; Holberg, J. B.; Dickinson, N. J.
Theoretical White Dwarf Spectra via the Internet: Quality Control 197 Ringat, E.; Reindl, N.
Cosmochronology in Action: Determination of the Mean Core Composition of the White Dwarfs in M 67 201 Simon, A.; Fontaine, G.; Brassard, P.
Observations and Modeling of DQ White Dwarfs 205 Vornanen, T.; Berdyugina, S.; Berdyugin, A.
Session IV. White dwarf catalogs and surveys   
The White Dwarfs of NGC 188 211 Jeffery, E. J.; Platais, I.; Williams, K.
White Dwarfs in the SDSS Photometric Footprint 217 Gentile Fusillo, N. P.; Girven, J.; Gänsicke, B.
The Search for White Dwarfs in the Kepler Field 223 Greiss, S.; Gänsicke, B.; Hermes, J. J.; Steeghs, D. T. H.; Barclay, T.; Ramsay, G.; Townsley, D.
Open Science Project in White Dwarf Research 231 Vornanen, T.
Cool White Dwarfs Identified in the WFCAM Transit Survey 235 Catalán, S.; Napiwotzki, R.; Hodgkin, S.; Pinfield, D.; Cristobal Hornillos, D.; Tremblay, P.-E.; Isern, J.; García–Berro, E.
Studies of White Dwarfs with a Low-cost EUV Observatory 241 Barstow, M. A.; Casewell, S. L.; Kowalski, M. P.; Wood, K.; Bannister, N. P.; Eves, S.; Navarthinam, N.
White Dwarfs as Seen by Gaia 245 Catalán, S.; Carrasco, J. M.; Tremblay, P.-E.; Jordi, C.; Napiwotzki, R.; Luri, X.; Robin, A. C.; Kowalski, P. M.; Reylé, C.
The Puoko-nui CCD Time-Series Photometer 249 Chote, P.; Sullivan, D. J.
Prospects for Cool White Dwarf Science from Pan-STARRS 253 Hambly, N.; Rowell, N.; Tonry, J.; Magnier, E.; Stubbs, C.
Astrometric Determination of White Dwarf Radial Velocities with Gaia? 257 Jordan, S.; de Bruijne, J.
A Spectroscopic Census of White Dwarfs within 40 Parsecs of the Sun 261 Limoges, M.-M.; Bergeron, P.; Lépine, S.
White Dwarf Population Statistical Analysis 265 Rybicka, M.; Krzeszowski, K.; Slowikowska, A.
Session V. Central stars of planetary nebulae   
The ZZ Leporis Stars: Wind-variable Central Stars of Young Planetary Nebulae 271 Handler, G.; Prinja, R. K.; Antoci, V.; Urbaneja, M. A.
The Current Status of our Understanding of the Close Binary Central Stars of Planetary Nebulae 277 Hillwig, T. C.
IC 4663: The First Unambiguous [WN] Wolf-Rayet Central Star of a Planetary Nebula 281 Miszalski, B.; Crowther, P. A.; De Marco, O.; Köppen, J.; Moffat, A. F. J.; Acker, A.; Hillwig, T. C.
A Multi-wavelength Investigation of Newly Discovered Planetary Nebulae in the Large Magellanic Cloud: Central Stars 287 Reid, W.
Testing the Binary Hypothesis for the Formation and Shaping of Planetary Nebulae 293 Douchin, D.; De Marco, O.; Jacoby, G. H.; Hillwig, T. C.; Frew, D. J.; Bojicic, I.; Jasniewicz, G.; Parker, Q. A.
Planetary Nebulae after Common-Envelope Phases Initiated by Low-Mass Red Giants 297 Hall, P. D.; Tout, C. A.; Izzard, R. G.; Keller, D.
Spectral Analyses of Wolf-Rayet Type Central Stars 303 Todt, H.; Peña, M.; Hamann, W.-R.; Gräfener, G.
The Planetary Nebula Abell 48 and its [WN4] Central Star 309 Bojičić, I. S.; Frew, D. J.; Parker, Q. A.; Stupar, M.; Wachter, S.; DePew, K.
Central Stars of Milky Way Bulge Planetary Nebulae 313 Gesicki, K.; Zijlstra, A. A.
A Heavy-Weight post-AGB Star: The Exciting Star of the Planetary Nebula NGC 246 317 Rauch, T.; Werner, K.; Kruk, J. W.
Session VI. Supernova progenitors   
The Link Between RS Ophiuchi and Type Ia Supernovae 323 Mohamed, S.; Booth, R.; Podsiadlowski, Ph.
Progenitors of Supernovae Type Ia 329 Toonen, S.; Nelemans, G.; Bours, M.; Portegies Zwart, S.; Claeys, J.; Mennekens, N.; Ruiter, A.
Session VII. White dwarfs in novae and cataclysmic variables   
New Time-Series Observations of the Intriguing Object GW Librae 337 Chote, P.; Sullivan, D. J.
Asynchronous Polar BY Cam: the Spin-orbital Synchronization and Variation of Accretion Geometry on the 8-year Time Scale 343 Pavlenko, E.; Andreev, M.; Babina, Y.; Malanushenko, V.
Fitting the Chandra LETG Spectrum of SS Cygni in Outburst with Model Atmosphere Spectra 349 Suleimanov, V. F.; Mauche, C. W.; Zhuchkov, R. Ya.; Werner, K.
On a Long-term Variability of the Asynchronous Polar BY Cam 355 Andreev, M.; Pavlenko, E.; Babina, Yu.; Malanushenko, V.
Distribution of Patterns and Flow Dynamics in Accreting White Dwarfs 359 Boneva, D.; Filipov, L.
Investigating AM Her Cataclysmic Variables with the Optical Pulsar Timing Analyzer — OPTIMA 363 Slowikowska, A.; Goździewski, K.; Nasiroglu, I.; Kanbach, G.; Rau, A.; Krzeszowski, K.
Investigations of a New Eclipsing Cataclysmic Variable HBHA 4705–03 367 Yakin, D. G.; Suleimanov, V. F.; Shimansky, V. V.; Vlasyuk, V. V.; Spiridonova, O. I.
Session VIII. White dwarfs in detached binaries   
Discovery of the Closest Hot Subdwarf Binary with White Dwarf Companion 373 Geier, S.; Marsh, T. R.; Dunlap, B. H.; Barlow, B. N.; Schaffenroth, V.; Ziegerer, E.; Heber, U.; Kupfer, T.; Maxted, P. F. L.; Miszalski, B.; Shporer, A.; Telting, J. H.; Ostensen, R. H.; O'Toole, S. J.; Gänsicke, B. T.; Napiwotzki, R.
Where are all the Sirius-like Systems? 379 Holberg, J. B.; Oswalt, T. D.; Sion, E. M.; Barstow, M. A.; Burleigh, M. R.
Detecting the Orbital Motion of RE J0317–853 and LB 9802 385 Lawrie, K. A.; Burleigh, M. R.; Barlow, B. N.; O'Donoghue, D.; Barstow, M. A.; Marsh, T. R.; Kilkenny, D.; Worters, H.
Hubble Space Telescope Imaging and Grism Spectroscopy of the Binary Nucleus of the Planetary Nebula EGB 6 391 Liebert, J.; Bond, H. E.; Dufour, P.; Ciardullo, R.
Session IX. Physical processes in white dwarfs and magnetic white dwarfs   
An Analysis of Metallic High Ion Absorption Line Profiles at DA White Dwarfs with Circumstellar Material 399 Dickinson, N. J.; Barstow, M. A.; Welsh, B. Y.
Creating White Dwarf Photospheres in the Laboratory: Strategy for Astrophysics Applications 405 Falcon, R. E.; Rochau, G. A.; Bailey, J. E.; Ellis, J. L.; Carlson, A. L.; Gomez, T. A.; Montgomery, M. H.; Winget, D. E.; Chen, E. Y.; Gomez, M. R.; Nash, T. J.; Pille, T. M.
Low Magnetic Fields in White Dwarfs and their Direct Progenitors? 411 Jordan, S.; Bagnulo, S.; Landstreet, J.; Fossati, L.; Valyavin, G. G.; Monin, D.; Wade, G. A.; Werner, K.; O'Toole, S. J.
Magnetic White Dwarfs with Debris Disks 417 Külebi, B.; Ekși, K. Y.; Lorén–Aguilar, P.; Isern, J.; García-Berro, E.
On the Origin of High-field Magnetic White Dwarfs 423 García-Berro, E.; Torres, S.; Lorén–Aguilar, P.; Aznar–Siguán, G.; Camacho, J.; Külebi, B.; Isern, J.; Althaus, L. G.; Córsico, A. H.
Photometric Variability of Magnetic White Dwarfs 429 Lawrie, K. A.; Burleigh, M. R.; Brinkworth, C. S.; Marsh, T. R.; Hodgkin, S. T.; Baker, D. E. A.; Cossins, P.; Littlejohns, O. M.; Scott, A. E.; Steele, P. R.
Thermohaline Instabilities Induced by Heavy Element Accretion onto White Dwarfs: Consequences on the Derived Accretion Rates 435 Deal, M.; Vauclair, S.; Vauclair, G.
Recent Progress Characterizing Convection Using White Dwarf Light Curves from the Whole Earth Telescope 439 Provencal, J. L.; Dalessio, J.; Montgomery, M. H.; WET Team
Session X. Disks, dust and planets around white dwarfs   
Search for Metal Pollution in 81 DA White Dwarfs 445 Koester, D.; Gänsicke, B.; Girven, J.; Farihi, J.
Planets Around White Dwarf Binaries 451 Bours, M. C. P.; Marsh, T. R.; Parsons, S. G.
The Frequency of Debris Disks at White Dwarfs 457 Barber, S. D.; Patterson, A. J.; Kilic, M.; Leggett, S. K.; Dufour, P.; Bloom, J. S.; Starr, D. L.
Observations and NLTE Modeling of the Gaseous Planetary Debris Disk around Ton 345 461 Hartmann, S.; Nagel, T.; Rauch, T.; Werner, K.
Back Matter   
Author Index 467 Krzesiński, J.; Stachowski, G.; Moskalik, P.; Bajan, K.
Object Index 471 Krzesiński, J.; Stachowski, G.; Moskalik, P.; Bajan, K.
Back Matter 476