Cambridge University Press 978-0-521-63255-3 - Stellar Astrophysics for the Local Group: VIII Canary Islands Winter School of Astrophysics Edited by A. Aparicio, A. Herrero and F. Sánchez Table of Contents More information Contents x xiii xv Participants Preface Acknowledgements Fundamentals of Stellar Evolution Theory: Understanding the HRD C. Chiosi Introduction Basic stellar evolution Physical causes of violent ignition, explosion, and collapse Two basic ingredients: nuclear reactions and opacities Stellar winds: observational and theoretical hints Classical evolution of massive stars with mass loss Convection: the major uncertainty Passing from theory to observations Globular clusters Old open clusters Young rich clusters of the LMC The HRD of supergiants stars: open problems Modelling AGB & Carbon stars: recent results Cepheid stars: mass discrepancy and mixing References 1 2 11 16 18 24 32 47 51 61 62 63 72 76 79 Observations of the Most Luminous Stars in Local Group Galaxies P. Massey Introduction Introducing the unevolved luminous stars Finding main-sequence luminous stars in the Local Group: methodology for a hard problem Finding the evolved descendants of massive stars: LBVs, WRs, and RSGs Secrets of star formation as revealed by luminous stars Secrets of stellar evolution revealed by luminous stars Summary: what to take away from all this References 95 98 108 116 124 130 144 145 Quantitative Spectroscopy of the Brightest Blue Supergiant Stars in Galaxies R.P. Kudritzki Introduction Atmospheres of luminous hot stars Methods of spectral diagnostics The X-ray emission of O-stars IR - diagnostics of blue supergiants with extreme mass-loss The most massive stars in the Local Group Stellar abundances in Local Group galaxies and beyond The Wind Momentum - Luminosity Relationship and extragalactic distances 149 158 177 195 201 213 214 232 vn © in this web service Cambridge University Press www.cambridge.org Cambridge University Press 978-0-521-63255-3 - Stellar Astrophysics for the Local Group: VIII Canary Islands Winter School of Astrophysics Edited by A. Aparicio, A. Herrero and F. Sánchez Table of Contents More information viii Contents Extragalactic stellar astronomy - a vision Appendix A. Oscillator strengths distribution function of hydrogen References 254 256 256 Calibration of t h e Extragalactic Distance Scale B.F. Madore & W.L. Freedman Introduction to the lectures Cepheids Brief summary of the observed properties of cepheid variables Simple physical considerations Observational considerations Advances driven by new technology CCDs and multiwavelength coverage Obtaining accurate cepheid distances Local Group galaxies Beyond the Local Group The Hubble constant The future Contrasting aspects of the PL and PLC A reddening-free formulation of the PL relation Comments on reddening determinations Comparisons with other distance indicators The key project Other ground-based work Helium core flash and the tip of the red giant branch as a primary distance indicator The ideal distance indicator Some history concerning the red giant branch Concerns and technical issues An overview of the theoretical underpinnings: core helium ignition Recent applications of the TRGB method The scorecard Discussion Implications of the Hipparcos observations of galactic Cepheids Comparison with V-band period-luminosity relations Multiwavelength period-luminosity relations Discussion Implications of a cepheid distance to the Fornax cluster NGC 1365 and the Fornax cluster HST observations Cepheids in NGC 1365 The Hubble constant The Hubble constant at Fornax The nearby flow field Beyond Fornax: the Tully-Fisher relation Beyond Fornax: other relative distance determinations Beyond Fornax: type la supernovae Cosmological implications Conclusions References © in this web service Cambridge University Press 263 264 266 267 271 275 277 278 280 283 288 288 289 291 295 299 300 303 305 305 306 309 312 313 315 318 319 319 320 324 327 328 329 330 331 333 334 336 338 339 340 341 343 www.cambridge.org Cambridge University Press 978-0-521-63255-3 - Stellar Astrophysics for the Local Group: VIII Canary Islands Winter School of Astrophysics Edited by A. Aparicio, A. Herrero and F. Sánchez Table of Contents More information Contents ix Dwarf Galaxies G.S. Da Costa Introduction Prelude: results from standard stellar evolution "Old" populations in the Magellanic Clouds Local Group dE and dSph galaxies Local Group dlrr galaxies Dwarf galaxies beyond the Local Group Summary References 351 352 358 363 388 396 401 402 Resolved Stellar Populations of t h e Luminous Galaxies in t h e Local Group M. Mateo Introduction Photometric techniques Star clusters in the Local Group The old and intermediate-age populations in luminous LG galaxies "Young" field star populations in luminous LG galaxies Variable star populations in LG galaxies Beyond the Local Group Epilogue Appendix: stellar photometry examples using DoPHOT References 407 408 415 423 429 433 438 444 445 452 Chemical Evolution of t h e ISM in Nearby Galaxies E.D. Skillman Introduction and purpose Abundances from HII regions Simple chemical evolution Abundance patterns in dwarf galaxies Abundance patterns in spiral galaxies Self-consistent star formation histories Summary References 457 459 468 472 489 504 518 518 Populations of Massive Stars and t h e Interstellar M e d i u m C. Leitherer Introduction Regions of high-mass star formation Massive stars in resolved populations Evolutionary synthesis of unresolved high-mass populations Release of mass and energy by massive stars Massive stars and the dynamics of the ISM References © in this web service Cambridge University Press 527 528 543 556 569 585 598 www.cambridge.org
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