White dwarfs
著者
書誌事項
White dwarfs
（NATO science series, Sub-Series II,
Kluwer Academic Publishers, 2003
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- タイトル別名
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Proceedings of the NATO advanced research workshop on white dwarfs
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注記
"The NATO Advanced Research Workshop on "White Dwarfs", held in June 2002 at the Astronomical Observatory of Capodimonte in Naples, Italy, continues the long tradition of the European Workshop series on "White Dwarfs", which started in Kiel in 1974 by Prof. Volker Weidemann." --Pref.
Includes bibliographical references and indexes
Description based on PB
内容説明・目次
内容説明
The NATO Advanced Research Workshop on "White Dwarfs", held in June 2002 at the Astronomical Observatory of Capodimonte in Naples, Italy, continues the long tradition of the European Work- shop series on "White Dwarfs", which started in Kiel in 1974 by Prof. Volker Weidemann. Since then, similar workshops were organized al- most every two years: Frascati (1976), Tel Aviv (1978), Paris (1981), Kiel (1984), Frascati (1986), Toulouse (1990), Leicester (1992), Kiel (1994), Blanes (1996), Troms0 (1998) and Newark-Delaware (2000). The proceedings of these meetings, together with those from the IAU Colloquia in Rochester (NY, 1979) and Hanover (New Hampshire, 1988), represent a unique record of how the research field of white dwarfs has developed in more a quarter of a century. We hope that the present volume, which contains a large number ofcontributions on different topics, will provide an updated and broadened view of this very active field of research. th The format of this workshop, which is the 13 of the series, keeps that ofprevious meetings: givingthe same amount oftime to all speak- ers, no parallel sessions and no limitations on the number of posters.
目次
- 1. White Dwarf Structure and Evolution.- On Oxygen-Neon white dwarfs.- Progenitor evolution and chemical stratification in CO white dwarfs.- Convective coupling: a largely overlooked effect in cooling white dwarfs.- Sinking of 22Ne in liquid WD interiors.- From red giants to white dwarfs: a radiation-hydrodynamics simulation of the planetary nebula stage.- The star formation rate from white dwarfs.- New determination of 12C(?, ?)16O reaction rate and impact on WD models.- The origin of white dwarf rotation velocities.- 2. SNIa Progenitors.- Type Ia Supernovae: constraints for the progenitor scenario.- A new evolutionary path for the progenitors of type Ia supernovae.- Search for double degenerate progenitors of Supernovae type Ia with SPY.- Double degenerates from the Supernova Ia Progenitor Survey (SPY).- 3. Subdwarf B stars.- Subluminous B stars and progenitors of helium core white dwarfs.- The progeny of binary white dwarf mergers.- New subdwarf B star periods.- SdB stars and the structure of the milky way.- High signal-to-noise ratio observations of EC 14026 pulsators.- Fundamental parameters of sdB pulsators from asteroseismology.- Towards asteroseismology of the non-radial pulsating sdB star PG 1605+072.- Pulsation period stability in the sdBV star HS 2201+2610.- Feige 48: a model match for the coolest pulsating subdwarf B star.- MMT blue spectrograph observations of sdB stars: heavy elements abundances.- Radial velocity variations and metal abundances of three bright sdB stars.- Preliminary results from CCD monitoring:light curves of subdwarf B stars.- Physical parameters for subdwarf B stars with composite spectra.- Are helium-rich subdwarf B stars the products of white dwarf mergers ?.- Spectroscopic studies of the pulsating sdB binary PG 1336-018.- Companions to subdwarf B stars - degenerate or non-degenerate ?.- Hot subdwarfs: further photometric observations of pulsating and non pulsating objects.- The temperature of the cool stars in three eclipsing binary systems with the sdB components: HW Vir, PG 1336-018 and HS 0705+670.- Analysis of FUSE and IUE spectra of the sdOB star EC 11481-2303.- Photometric and spectroscopic monitoring of the sdBV star PG 1605+072: the Multi-Site Spectroscopic Telescope (MSST) project.- Stellar wind signatures in sdB stars?.- 4. Atmospheres and Chemical Composition.- A new determination of the spectroscopic mass and radius for Sirius B.- Metal abundances in PG 1159 stars from CHANDRA and FUSE spectroscopy.- High resolution EUV & FUV spectroscopy of DA white dwarfs.- Detection of photospheric O VI in the FUSE spectra of low metallicity white dwarfs.- FUSE observations of the DAO white dwarf Feige 55.- FUSE spectra of DO white dwarfs.- Trace metals in cool DA white dwarfs.- Spectroscopic determination of mass for a sample of DAO white dwarfs.- Improved results for equilibrium abundances from diffusion calculations.- Discovery of oxygen in the DQ white dwarf star G 227-5 (PG 1727+560): a progress report.- Spectral analysis of supra horizontal branch stars in globular clusters.- Abundance patterns in hot DA atmospheres from FUSE.- FUSE observations of the peculiar hot sdO star MCT 0019-2441.- Lyman gamma satellites due to H-H+ collisions: application to FUSE observations of hot white dwarfs.- Quasi-molecular lines in Lyman wings of cool DA white dwarfs
- application to FUSE observations of G 231-40.- Defining the red edge of the DB gap with PG 0112+104.- The FUSE spectrum of the DB white dwarf GD 190.- Search for oxygen in cool DQ white dwarf atmospheres.- FUSE spectroscopy of the two prototype white dwarfs with signatures of a super-hot wind.- 5. Magnetic White Dwarfs.- Progress in modeling magnetic white dwarfs.- Spectropolarimetric survey of southern hydrogen-rich white dwarfs.- Magnetic field evolution in accreting white dwarfs.- Radiation-driven diskons.- Constraints on the parameters of a magnetic white dwarf corona imposed by its cyclotron emission.- Zeeman tomography of magnetic white dwarfs: general method and application to EF Eridani.- Magnetic white dwarfs in the SDSS.- WD 1953-011 - a white dwarf with a star spot ?.- Do magnetic fields prevent hydrogen from accreting on to cool metal-line white dwarfs ?.- Electromagnetic radiation from accretion-induced collapse of a white dwarf.- Magnetic reconnection in the accretion-disk corona of compact stars.- Cyclotron emission features in polars with low accretion rates.- Transfer of cyclotron radiation in plasmas on magnetic white dwarfs.- Modelling magnetic DB white dwarfs.- 6. Variable White Dwarfs.- The ZZ Ceti instability strip: facts and fallacies.- Heat waves and WD cooling theory in ZZ Ceti stars.- Searching for the most stable pulsating stars.- The DBV white dwarf EC 20058-5234.- Progress report on the hot DB PG 0112+104.- Period stability on pulsating white dwarfs.- Diffusion in variable DA white dwarfs.- Disentangling the core from the envelope in pulsating white dwarf stars.- White dwarf seismology and the 12C(?, ?)16O rate.- Group behaviour of the pulsating DB white dwarf stars.- Asteroseismology of the DB star GD 358: improved evolutionary models.- On mode trapping properties of full DA white dwarf evolutionary models.- Preliminary results of the WET Xcov22 campaign at Calar Alto observatory.- Search for magnetic fields among non-pulsators in the DAV instability strip.- 3He in variable DB white dwarfs?.- Wavelength dependence of pulsation amplitudes in DBV white dwarfs.- Towards understanding another cool DA white dwarf pulsator: G 255-2.- 7. White Dwarfs in Binaries.- Direct impact accretors: evolutionary links between detached and semi-detached white dwarfs.- Helium white dwarfs remnants of binary evolution in globular clusters: hints from the case of the optical companion of PSR J 1740-5340 in NGC 6397.- Eclipsing binary ms pulsar PSR J 1740-5340: pre-He white dwarf + ms pulsar system?.- They're hot, hot, hot.- HST observations of white dwarfs in close and wide binaries.- Gravitational waves from the merging of white dwarfs.- The AM CVn systems - and their white dwarfs.- The properties of non-magnetic white dwarfs in cataclysmic variables.- White dwarfs in cataclysmic variables: HST results on GW Lib and gleanings from SDSS provide insight on the effects of accretion.- Internal conditions of accreting white dwarfs.- White dwarfs in magnetic cataclysmic variables.- The white dwarfs in the Intermediate Polars.- Principal components of variability of the accretion structures near white dwarfs.- Imaging planets around white dwarfs.- Rapid photometric changes in the temporal spectra of the PNN NGC 246.- The search for planets around pulsating white dwarf stars.- Variations of the outburst characteristics of the dwarf nova RU Peg.- Far-UV observations of Sirius-like binaries.- An improved visual and photographic orbit for Sirius.- Modeling the irradiated atmospheres of unevolved companions in precataclysmic binaries (PCB).- Seven years photopolarimetry of the AM Herculis system V834 Centauri.- HS 1136+6646: a hot DA0.5+K6V young post-CE pre-CV binary.- White dwarf colors in low accretion rate binaries.- Mass of white dwarf in T CrB and variability of accretion disk.- Similarity of emission lines of accreting white dwarfs and quasars.- Calculating spectra of accretion disks in AM CVn systems.- Constraints on AM CVn formation channels from modelling the composition of their discs.- 8. Cool White Dwarfs, WD Populations, Astrometry and Surveys.- The population of halo white dwarfs.- A distant white dwarf population in the 2QZ and Sloan surveys.- White dwarfs from the Hamburg Quasar Survey.- The Calan-ESO Survey: white dwarfs.- 3D kinematics of white dwarfs from the SPY project.- Search for ancient cool white dwarfs using GSC2 material.- Hidden sd/wd stars among the FAUST UV sources toward Ophiuchus.- Unusual white dwarfs found in the Sloan Digital Sky Survey.- Identification of cool white dwarfs in the NOAO Deep Wide-Field Survey.- White dwarf stars in the Sloan Digital Sky Survey: photometry.- White dwarfs in the Sloan Digital Sky Survey: spectroscopy.- The nature of high velocity white dwarfs.- Search for white dwarfs in the Capodimonte Deep Field.- A lower limit to the age of the galaxy from the white dwarf luminosity function.- The white dwarf population accessible to GAIA.- 9. Current and Future Space and Ground-Based Observing Facilities.- The APEX high resolution EUV spectroscopic explorer.- The World Space Observatory.- The VLT Survey Telescope: an efficient facility for the study of the WD luminosity function.- New wine, new vintages, and limoncello: Conference summary.- Author index.- Object index.
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