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TABLE OF CONTENTS - 3FBS



Preface xiii List of Participants xv Picture of Participants xix< Section I - Review Papers HELIUM MIXING IN GLOBULAR CLUSTER STARS Allen V. Sweigart 3 SYNTHETIC PHOTOMETRY OF BHB STARS AND WHITE DWARFS IN THE VILNIUS AND STRÖMVIL SYSTEMS V. Straizys & A. G. Davis Philip 27 MODEL ATMOSPHERES FOR INDIVIDUAL STARS WITH ARBITRARY ABUNDANCES Robert L. Kurucz 33 THE MONTÉAL-CAMBRIDGE-TOLOLO SURVEY OF BLUE SUBLUMINOUS STARS R. Lamontagne, S. Demers, F. Wesemael, G. Fontaine & M. J. Irwin 43 THE STRUCTURE OF THE HALO AND THICK DISK FROM THE APS CATALOG OF POSS I Jeffrey A. Larsen & Roberta M. Humphreys 51 THE SPATIAL DISTRIBUTION OF A SAMPLE OF FAINT FIELD SUBDWARF B STARS ISOLATED FROM THE US SURVEY Kenneth J. Mitchell 59 HOT SUBDWARFS AND COMPOSITE STARS IN THE EC SURVEY R. S. Stobie, C. Koen, D. Kilkenny, D. O'Donoghue & A. Chen 69 A NEW CLASS OF PULSATING STAR DISCOVERED IN THE EC SURVEY D. Kilkenny, C. Koen, R. S. Stobie, D. O'Donoghue, A. E. Lynas-Gray & S. D. Kawaler 77 APPARENTLY NORMAL O- AND B-TYPE STARS AT HIGH GALACTIC LATITUDES? U. Heber, S. Moehler, J. H. K. Schmidt, S. Dreizler, M. Geffert & I. N. Reid 87 A LARGE SCALE SPECTROSCOPIC SURVEY OF EARLY-TYPE STARS AT HIGH GALACTIC LATITUDES Rex A. Saffer, F. P. Keenan, N. C. Hambly, P. I. Dufton & James W. Liebert 97 ON THE VARIABILITY OF FORMING STARS IN THE GALACTIC HALO AND IN THE GAS AROUND THE MAGELLANIC CLOUDS Dimitris M. Christodoulou, Joel E. Tohline & Francis P. Keenan 105 DETERMINATION OF THE MASS OF HORIZONTAL-BRANCH STARS: CLUSTER STARS AND HIPPARCOS FIELD STARS Klaas S. de Boer 115

PHOTOMETRIC CLASSIFICATION OF HB STARS

A. G. Davis Philip 125 STILL GRINDING AWAY ON THE HORIZONTAL BRANCH Robert T. Rood 131 FAINT BLUE STARS IN GALACTIC AND EXTRAGALACTIC SYSTEMS Ben Dorman 133 SPECTRAL CHARACTERISTICS, PHOTOMETRY AND FUNDAMENTAL PARAMETERS OF FIELD HORIZONTAL-BRANCH STARS C. J. Corbally, R. O. Gray & A. G. Davis Philip 143 A REVIEW OF RECENT ADVANCES IN THE STUDY OF BLUE STRAGGLER STARS Ata Sarajedini 153 HOT STARS IN OLD METAL-RICH STELLAR SYSTEMS Sukyoung Yi 161 THE HELIUM ABUNDANCE PUZZLE IN SUBDWARF B STARS: A THEORETICAL INTERPRETATION THROUGH MASS LOSS G. Fontaine & P. Chayer 169 ABUNDANCE PATTERNS OF IRON AND NICKEL IN SDO STELLAR ATMOSPHERES Stefan Haas, Ulrich Heber, Stefan Dreizler & Klaus Werner 177 HOT SUBDWARFS - MAGNETIC PROPERTIES Vladimir Elkin 185 THE HOT SUBDWARF IN THE ECLIPSING BINARY HD 185510 C. Simon Jeffrey & Theodore Simon 189 OBSERVATIONS OF OB-TYPE STARS IN THE HALOS OF GALAXIES F. P. Keenan 199 THE EVOLUTIONARY STATUS OF OLD CENTRAL STARS OF PLANETARY NEBULAE AND HOT PRE-WHITE DWARFS Ralf Napiwotzki 207 NLTE ANALYSIS OF THE TWO BRIGHTEST PG 1159 STARS: RX J 2117.1+3412 AND THE CENTRAL STAR OF NGC 246 T. Rauch & K. Werner 217 SPECTRAL ANALYSES OF PG 1159 STARS WITH LINE-BLANKETED NON-LTE MODEL ATMOSPHERES K. Werner, S. Dreizler, T. Rauch & U. Heber 227 POST AGB A AND F SUPERGIANTS AS EXTRAGALACTIC CANDLES Howard E. Bond, Laura K. Fullton & Abhijit Saha 235 THE BOÖTIS STARS: A REVIEW Richard O. Gray 237 THE BOO CANDIDATES IN THE ORION OB1 ASSOCIATION M. Gerbaldi & R. Faraggiana 247 HB MORPHOLOGY AND THE SECOND PARAMETER EFFECT: FAINT STARS IN A BIG GAME Flavio Fusi Pecci & Michelle Bellazzini 255 HST OBSERVATIONS OF EXTENDED HORIZONTAL BRANCHES IN GLOBULAR CLUSTERS James Liebert et al. 263 BHB/EHB STARS IN OLD OPEN CLUSTERS Elizabeth M. Green, James W. Liebert, Ruth C. Peterson & Rex A. Saffer 271 BLUE STRAGGLERS IN THE CORE OF THE GLOBULAR CLUSTER M 3: HST DATA F. R. Ferraro & B. Paltrinieri 279 OBSERVATIONS OF OPEN AND GLOBULAR CLUSTERS WITH THE ULTRAVIOLET IMAGING TELESCOPE (UIT) W. B. Landsman 287 VERY BLUE STARS IN THE CORE OF M 15 Guido De Marchi & Francesco Paresce 289 WHAT ARE BLUE TAILS MADE OF? - ANALYZING FAINT BLUE STARS IN GLOBULAR CLUSTERS S. Moehler & U. Heber 295 DO WHITE DWARFS S. Dreizler, K. Werner, U. Heber, N. Reid & Hans Hagen 303 TRACE ELEMENTS IN WHITE DWARFS Detlev Koester, Burkhard Wolff, Stefan Jordan & Stefan Dreizler 313 OBSERVATIONAL AND COMPUTATIONAL RESULTS FOR MAGNETIC WHITE DWARFS Susanne Friedrich, Peter Fassbinder & Wofgang Schweizer 323 PHOTOSPHERIC AND NON-PHOTOSPHERIC FEATURES IN THE SPECTRA OF HOT WHITE DWARFS J. B. Holberg, M. A. Barstow & E. M. Sion 331 WHITE DWARFS IN THE PRAESEPE OPEN CLUSTER C. F. Claver, J. Liebert & P. Bergeron 339 THE CONTRIBUTIONS OF GUILLERMO HARO TO THE STUDY OF FAINT BLUE OBJECTS Manuel Peimbert 347 SUMMARY OF THE CONFERENCE Klaas S. de Boer 357 Section 2. Poster Papers 361 EVOLVED STARS IN THE HALO OF OUR GALAXY FROM THE PALOMAR-GREEN SURVEY W. R. J. Rolleston, F. P. Keenan, P. L. Dufton, N.C. Hambly & R. Saffer 363 HIGH RESOLUTION SPECTROSCOPIC OBSERVATIONS OF B-TYPE STARS FROM THE EDINBURGH-CAPE SURVEY W. R. J. Rolleston, P. L. Dufton, F. P. Keenan, J. E. Little, N. C. Hambly, D. Kilkenny, C. Koen, R. S. Stobie & D. O'Donoghue 367 THE SANDAGE TWO-COLOR SURVEY OF THE GALACTIC PLANE: THE CONTINUING SEARCH FOR LOW-LUMINOSITY OBJECTS AND OTHER INTERESTING SOURCES Howard H. Lanning & Michael Meakes 371 NEW RESULTS FROM THE STELLAR COMPONENT OF THE HAMBURG SCHMIDT SURVEY: A SAMPLE OF SDO STARS M. Lemke, U. Heber, R. Napiwotzki, S. Dreizler & D. Engels 375 THE NASA ASTRONOMICAL DATA CENTER Nancy Grace Roman 379 THE STRÖMVIL SYSTEM FOR THE GAIA SURVEY SATELLITE V. Straizys & E. Høg 383 HIPPARCOS AND OTHER DATA FOR A AND F STARS Arthur R. Upgren & Paul D. Hemenway 385 TIME SERIES PHOTOMETRIC AND SPECTROSCOPIC OBSERVATIONS OF THE CEPHEI HALO STAR PHL 346 P. L. Dufton, F. P. Keenan & D. Kilkenny 389 PRELIMINARY ABUNDANCE ANALYSIS OF HI-579, A UV-BRIGHT STAR IN THE GLOBULAR CLUSTER M 2 Bradford Behr & James K. McCarthy 393 A NEW CATALOG OF CANDIDATE FIELD HORIZONTAL-BRANCH AND A-TYPE STARS Timothy C. Beers & Ronald Wilhelm 397 PHYSICAL PARAMETERS AND DISTANCES OF FIELD HBB STARS J. H. K. Schmidt, S. Moehler, A. Theissen, K. S. de Boer & U. Heber 401 A SEARCH FOR PULSATING SUBDWARF B STARS M. Billères, G. Fontaine, S. Charpinet, P. Brassard & F. Urbain 405 ASTEROSEISMOLOGY OF HOT B SUBDWARFS: RECENT THEORETICAL RESULTS S. Charpinet, G. Fontaine, P. Brassard, B. Dorman, P. Chayer, F. G. Rogers & C. A. Iglesias 409 SUBDWARF STAR ORBITS: ARE THERE TWO GALACTIC POPULATIONS? Klaas S. de Boer, Jelena H. K. Schmidt, Michael Geffert, Yolanda Aguilar Sanchez & Jacques Colin 413 NEW EVIDENCE FOR BINARISM IN FIELD SDB STARS Elizabeth M. Green, James W. Liebert & Rex A. Saffer 417 THE CLASSIFICATION OF HELIUM-RICH HOT SUBDWARFS Simon Jeffery, Paul Harrison, John Drilling & Ulrich Heber 421 PG 1002+506: A BE STAR AT Z = +16 KPC F. A. Ringwald 425 VARIABLE RADIAL VELOCITIES AMONG THE FERGUSON- GREEN-LIEBERT HOT SUBDWARF COMPOSITES IN THE PG CATALOG Richard A. Wade, Jason J. B. Harlow & Jerome A. Orosz 429 THE TEMPERATURE SCALE OF HOT, HYDROGEN-RICH SUBDWARFS F. Wesemael, F. Allard, R. Lamontagne, G. Fontaine & P. Bergeron 433 HST SNAPSHOT IMAGES OF PLANETARY NEBULAE AND THEIR CENTRAL STARS Howard E. Bond, Laura K. Fullton, Karen Schaefer, Robin Ciardullo & Michael Sipior 437 ASTEROSEISMOLOGY OF PLANETARY NEBULAE Howard E. Bond, Robin Ciardullo & Steven D. Kawaler 439 THE UV BRIGHT STAR ZNG 1 IN M 5 Ralf Napiwotzki & Ulrich Heber 441 OPEN CLUSTERS: CONSTRAINTS ON DISK AGE AND EVOLUTION A. Bragaglia, M. Tosi & G. Marconi 445 SPECTROSCOPY OF BLUE HORIZONTAL BRANCHES IN GLOBULAR CLUSTERS: PRELIMINARY RESULTS A. Bragaglia, C. Cacciari, E. Carretta & F. Fusi Pecci 449 SYNTHETIC HORIZONTAL-BRANCH MODELS FOR NGC 6229 M. Catelan, A. V. Sweigart, J. Borissova & N. Spassova 453 A SUMMARY OF VOYAGER FAR-UV OBSERVATIONS OF GLOBULAR CLUSTERS M. Chavez & Jay B. Holberg 457 BLUE STRAGGLERS IN NGC 3201 S. Covino & S. Ortolani 461 HOT SUBDWARFS IN M 15 S. Moehler, U. Heber & Patrick R. Durrell 465 HST-UV OBSERVATIONS OF THE CORE OF M 13 B. Paltrinieri, F. R. Ferraro, F. Fusi Pecci, C. Cacciari, B. Dorman, R. T. Rood, R. W. O'Connell, N. L. D'Cruz & J. Whitney 469 ABUNDANCE LESSONS FROM A HOT, METAL-RICH BLUE HORIZONTAL-BRANCH STAR IN NGC 6791 Ruth C. Peterson & Elizabeth M. Green 473 STARS BELOW THE BLUE HORIZONTAL BRANCH IN M 92 A. G. Davis Philip 477 THEORETICAL MODELS OF WHITE DWARFS WITH HELIUM- RICH INTERIORS Josep M. Aparicio & Gilles Fontaine 481 THE LOCATION OF THE THEORETICAL ZZ CETI INSTABILITY STRIP: EFFECTS OF INCLUDING DETAILED MODEL ATMOSPHERES P. Brassard & G. Fontaine 485 CONSTRAINT ON THE PULSATION INDEX l THROUGH MULTI- COLOR OBSERVATIONS: THE CASE OF THE WHITE DWARF ROSS 548 G. Cournoyer, G. Fontaine, P. Brassard, F. Wesemael & K. D. Horne 489 ROTATION VELOCITIES OF WHITE DWARF STARS Ulrich Heber, Ralf Napiwotzki & I. Neill Reid 493 PULSATING WHITE DWARFS IN THE EC SURVEY R. S. Stobie, D. Kilkenny, C. Koen & D. O'Donoghue 497 FBS: A SURVEY FOR FAINT BLUE STARS AT HIGH GALACTIC LATITUDES Areg M. Mickaelian 501 SAKURAI'S OBJECT: THE ONCE AND FUTURE FAINT BLUE STAR M. D. Shetrone & M. Keane 505 A SEARCH FOR UV-BRIGHT STARS AMONGST RUNAWAY AND FIELD OB-STARS R. Costero 509 APPENDIX 513 SORTING OUT NOMENCLATURE IN FAINT BLUE STAR RESEARCH Klaas S. de Boer, John Drilling, C. S. Jeffery & E. M. Sion 515 INDICES 523 Name Index 525 Object Index 530 Subject Index 535