Revista Mexicana de Astronomía y Astrofísica Serie de Conferencias, Vol. 12, 2000

Series Editor: Silvia Torres-Peimbert
Associate Editor: William Henney

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Ionized Gaseous Nebulae, a Conference to Celebrate the 60th Birthdays of Silvia Torres-Peimbert and Manuel Peimbert

Mexico City, November 21-24, 2000
Proceedings Editors: W. J. Henney, J. Franco, M. Martos, & M. Peña

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THIS ISSUE IN ADS

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TABLE OF CONTENTS
PREFACE
W. J. Henney, J. Franco, M. Martos, & M. Peña
GROUP PHOTOGRAPH
PARTICIPANTS
THE ORION CANDY BAR

H II Regions

• Pioneer Nebular Theorists from Zanstra to Seaton: and Beyond
  D. E. Osterbrock
• There's Life in H II Regions Yet!
  J. E. Dyson, R. J. R. Williams, T. W. Hartquist, & K. G. Pavlakis
• Dust in and Near the Orion Nebula
  C. R. O'Dell
• Ultracompact H II Regions
  S. Kurtz & J. Franco
• Fluorescence of Permitted Lines in the Orion Nebula
  V. Escalante
• Dynamics of Molecular Clouds Under the Influence of Ionizing Radiation from Young Massive Stars
  O. Kessel-Deynet & A. Burkert
• UCH II Regions with Extended Envelopes
  K.-T. Kim & B.-C. Koo
• Photoionization Model for G29.96-0.02
  C. Morisset et al.
• Scattered light in Galactic H II Regions
  V. Robledo-Rella
• Iron abundance in Galactic H II regions
  M. Rofriguez
• Triggered Star Formation
  J. Palouš & S. Ehlerov�
• The Huge Filamentary Galactic H II Zone
  N. V. Bystrova
• ALIEN: A Software Package for Nebular Spectral Analysis
  R. Cook & R. Vázquez
• A Model for the Galactic Free-Electron Distribution
  G. C. Gómez, R. A. Benjamin, & D. P. Cox
• Mid-IR Imaging of the BN/KL Region
  M. Robberto, S. Ligori, S. V. W. Beckwith, T. M. Herbst, A. Custo, P. Boccacci, & M. Bertero
• ISO Spectroscopy of Ultracompact H II Regions: Element Abundance Gradient in the Galaxy
  N. L. Martín-Hernández et al.
• Fe II in the Orion Nebula: Spectroscopic Observations and Theoretical Models
  E. M. Verner

  Hydrodynamics and Temperature Fluctuations

• The Hydrodynamics of Photoionized Flows
  G. J. Ferland, W. J. Henney, R. J. R. Williams, & S. J. Arthur
• Superbubbles and the Physics of Mixing
  G. Tenorio-Tagle
• Are Temperature Fluctuations Out There?
  C. Esteban
• The Electron Temperature in Ionized Nebulae
  G. Stasińska
• Optical Recombination Lines and Temperature Fluctuations
  X.-W. Liu
• Calibrating Nebular Diagnostics of T$\scriptstyle \star$ and Abundance
  M. S. Oey, J. C. Shields, M. A. Dopita, & R. C. Smith
• Ionization Models for Axi-symmetrical Objects or Jets
  S. Hyung, L. H. Aller, & S. Kim
• MHD Ionization Fronts
  R. J. R. Williams, J. E. Dyson, T. W. Hartquist, & M. P. Redman
• The Cataclysmic Variable V751 Cyg at the Eye of the Pelican Nebula: Evidence of a Circumstellar Ring?
  J. Echeverría, R. Costero, G. Tovmassian, S. Zharikov, L. Pineda, & R. Michel
• [WC] Stellar Wind Turbulent Outflows Feeding the ISM
  Y. Grosdidier, A. Acker, & A. F. J. Moffat
• The Effects of Winds and Photoionization on the Evolution of Protostellar Disks
  H. W. Yorke & S. Richling
• Is the Supernova Remnant 3C400.2 the Result of a Single Supernova Explosion?
  E. de la Fuente, P. F. Velázquez, M. Rosado, & A. C. Raga
• A Search for the Cassiopeia A SN Progenitor
  B. Pérez-Rendón,. García-Seura, & N. Langer

  Planetary Nebulae

• High Dispersion Spectra for Planetary Nebula Studies
  L. H. Aller & S. Hyung
• Chemical Composition of Planetary Nebulae: Including ISO Results
  S. R. Pottasch, D. A. Beintema, J. Bernard Salas, & W. A. Feibelman
• Planetary Nebulae Results from the Infrared Space Observatory
  R. H. Rubin et al.
• Magellanic Clouds Planetary Nebulae: An Updated View on Stellar Evolution and Populations
  L. Stanghellini, R. A. Shaw, & M. Mutchler
• Morphology and Galactic Distribution of PNe: a New Scenario
  G. García-Segura, J. Franco, J. A. López, N. Langer, & M. �życzka
• Point-Symmetry and the Double Planetary Nebula KjPn 8
  J. A. López e al.
• The Formation of Collimated Outflows and Concentric Rings in Magnetized Planetary Nebulae
  J. Franco, G. García-Segura, J. A. López, & S. Kurtz
• Optical-IR Echelle Spectroscopy of NGC 6302
  S. Casassus, P. F. Roche, M. J. Barlow, & L. Binette
• Study of Electron Density in Planetary Nebulae
  M. V. F. Copetti, B. C. Writzl, & H. O. Castañeda
• The Galactic Bulge: the Stellar and Planetary Nebula Populations
  F. Cuisinier, J. K�ppen, A. Acker, & W. J. Maciel
• VLA Observations at 7 mm of the Planetary Nebula IC 4997
  Y. Gómez, L. F. Miranda, J. M. Torrelles, L. F. Rodríguez, & J .A. López
• Planetary Nebulae in the Magellanic Clouds
  P. Leisy, P. Francois, & M. Dennefeld
• Photoionization Models for Planetary Nebulae with Inhomogeneous Chemical Composition
  D. P�quignot et al.
• Planetary Nebulae with Double Shells and Haloes: Insights from Hydrodynamical Simulations
  D. Sch�nberner & M. Steffen
• PN G135.9+55.9: a New, Extremely Oxygen-Poor Planetary Nebula in the Galactic Halo
  G. H. Tovmassian, G. Stasińska, V. H. Chavushyan, S. V. Zharikov, C. Gutierrez, & F. Prada
• The LBV Phase of the Planetary Nebula LMC-N66
  M. Peña
• Synthetic Ionizing Spectra for Planetary Nebulae: A New Grid of Metal-Line Blanketed NLTE Model Atmospheres
  T. Rauch
• Stagnation Knots in Planetary Nebulae
  W. Steffen, J. A. López & A. J. Lim
• Broad H$ \alpha$ wings in Young Planetary Nebulae
  A. Arrieta, & S. Torres-Peimbert
• How Fast are Collimated Outflows in Planetary Nebulae?
  M. A. Guerrero, L. F. Miranda, & Y.-H. Chu
• The Onset of Photoionization in Post-AGB Stars
  A. Manchado, C. Domínguez-Tagle, A. García-Hernández, F. Prada, P. García-Lario, & G. Conway
• Kinematics of the Planetary Nebula NGC6781
  L. Arias & M. Rosado
• Low Dispersion Spectroscopy of Point-Symmetric PNe
  G. Benítez, R. Vázquez, R. Cook, & L. Olguín
• Physics and Chemistry of Planetary Nebulae with ISO-SWS
  J. Bernard Salas, S. Hony, S. R. Pottasch, P. R. Wesselius, & D. A. Beintema
• Planetary Nebula Candidates in a Region of M33
  L. J. Corral & A. Herrero
• PN G291.4-00.3: A New Type I Planetary Nebula
  S. Durand, D. N�rnberger, & J. K�ppen
• The Nature of Low-Ionization Microstructures in PNe
  D. R. Gon�alves, A. Mampaso, & R. L. M. Corradi
• Implications of Dust for the Radiation Spectrum of Shell-Type PN Models
  S. Kimeswenger & J. Koller
• Dust Particles on a Photon Diet in V605 Aql
  J. Koller
• Study of Spectral Variability of the Planetary Nebula IC 4997 Over 25 Years (1972-1996)
  E. B. Kostyakova
• Unveiling the Structure of the Planetary Nebula M2-48
  L. LópezMartín et al.
• Expansion Velocities from Different Ions of Planetary Nebulae with [WC]-Type Central Stars
  S. Medina & M. Peña
• Are All Annular Planetary Nebulae Really Closed Shells?
  H. Monteiro, R. Gruenwald, C. Morisset, & S. M. Viegas
• Detection of a Giant Halo Around NGC 7027
  S. G. Navarro, A. Mampaso, & R. L. M. Corradi
• Physical Conditions and Chemical Structure of the PNe NGC 2440 and NGC 2371-72
  L. Olguın, R. Vázquez, R. Cook, & G. Benítez
• Spectroscopy of Planetary Nebulae in NGC 185, NGC 205, and M32
  M. G. Richer & M. L. McCall
• Diagnostic Diagrams of Electron Density Versus Excitation for Planetary Nebulae
  H. Riesgo-Tirado & J. A. López
• Radio Continuum and H I Observations of the Remarkable Planetary Nebula KjPn 8
  L. F. Rodríguez, Y. Gómez, & A. López
• A Catalogue of IJK Photometry of PNe with DENIS
  S. Schmeja & S. Kimeswenger
• The Structure of the Planetary Nebula IC 2149: A Jet or an Edge-On Ring?
  R. Vázquez, L. F. Miranda, L. Olguín, G. Benítez, J. A. López, L. F. Rodríguez, & J. M. Torrelles
• Effects of CSPN Models on PN Shell Modeling
  B. Armsdorfer, S. Kimeswenger, & T. Rauch
• Chemical Composition of Globular Cluster and Halo Post-AGB Stars
  C. J. Mooney et al.

  Abundances and Extragalactic H II Regions

• Thirty Years of Extragalactic H II Region Studies
  D. R. Garnett
• Chemical Evolution of Galaxies
  G. A. Shields
• Observational Constraints on Dwarf Galaxy Evolution: A Retrospective of Lequeux et al.(1979)
  E. D. Skillman
• The Chemical Evolution of Gas-Rich Dwarf Galaxies
  T. I. Larsen, J. Sommer-Larsen, & B. E. J. Pagel
• Radial Gradients and Metallicities in the Galactic Disk
  W. J. Maciel
• Density Bounding in the H II Regions of Galactic Disks: Evidence and Consequences
  J. E. Beckman, A. Zurita, M. Rozas, A. Cardwell, M. Relaño
• When Photoionization is not Enough
  S. M. Viegas
• Photoionization, Shocks or Starbursts?
  M. A. Dopita, L. J. Kewley, & R. S. Sutherland
• First Stellar Abundances in NGC6822
  K. A. Venn & L. Miller
• PN-Carbon Yields and the Chemical Evolution of the Galaxy
  L. Carigi
• On the Kinematics of H II Regions: Yesterday, Today, and Tomorrow
  H. O. Castañeda & M. Rozas
• A Comprehensive Study of High Metallicity Giant Extragalactic H II Regions: Chemical Abundances
  M. Castellanos, A. I. Díaz, & E. Terlevich
• Confidence Limits of SN, Kinetic Energy and Chemical Yields in Evolutionary Synthesis Models
  M. Cerviño & V. Luridiana
• What is Happening in IC 4662?
  A. M. Hidalgo-Gómez, J. Masegosa, & K. Olofsson
• H II Regions in Ring Galaxies
  Y. D. Mayya & R. Romano
• Spectroscopy of H II Dwarf Galaxies in the Virgo Cluster
  J. M. Vílchez & J. Iglesias-Páramo
• Reanalyzing the He Abundance Determination in Extragalactic H II Regions
  R. Gruenwald, S. M. Viegas, & G. Steigman
• On the Abundance Gradient of the Galactic Disk
  L. P. Martins & S. M. Viegas
• A New Determination of the Primordial Helium Abundance
  A. Peimbert & M. Peimbert
• Chemical Abundances and Kinematic Properties of a Planetary Nebulae Sample Towards the Galactic Bulge
  A. V. Escudero & R. D. D. Costa
• High-Velocity Gas in the Luminous H II Regions of NGC 1530
  M. Relaño, J. E. Beckman, A. Zurita, M. Rozas, & J. Knapen
• Neutral Hydrogen Observations of the Extremely Metal-Poor Blue Compact Dwarf Galaxy SBS 0335-052
  E. Brinks, S. Pustilnik, T. X. Thuan, & Y. I. Izotov
• Kinematics Around the Non-Thermal Superbubble in IC10
  A. Bullejos & M. Rosado
• A Comprehensive Study of High-Metallicity Giant Extragalactic H II Regions: Ionizing Populations
  M. Castellanos, A. I. Díaz, & E. Terlevich
• Optically Thick Giant H II Regions with Decreasing Density Gradients in three Barred Galaxies
  E. de la Fuente, J. A. García-Barreto , & J. Franco
• New Light on the Search for Low-Metallicity Galaxies
  G. Denicoló, R. Terlevich, & E. Terlevich
• Fabry Perot H$ \alpha$ Observations of the Barred Spiral Galaxy NGC 3367
  J. A. García-Barreto & M. Rosado
• A Kinematic Study of N119 in the LMC: A Rotating Nebula with Spiral Shape?
  P. Ambrocio-Cruz, M. Rosado, A. Laval, P. Amram, & M. Marcelin
• VII Zw 403: A BCD with a Noncoeval Starburst
  S. Silich, G. Tenorio-Tagle, C. Muñoz-Tuñon, & L. M. Cairos
• Photoionization of the Diffuse Interstellar Gas in Spirals by Lyman Photons Escaping from H II Regions
  A. Zurita, J. E. Beckman, M. Rozas, & S. Ryder
• The Structure and Star-Formation History of NGC 5461
  V. Luridiana & M. Peimbert
• Photoionization Models of NGC 346
  M. Relaño, M. Peimbert, & J. E. Beckman

  Cosmology

• CMB (And Other) Challenges To BBN
  G. Steigman, J. P. Kneller, & A. Zentner
• Probing Cosmological Parameters with H II Galaxies
  E. Terlevich, R. Terlevich, & J. Melnick

  Conference Summary

• Temperature Structure and Chemical Abundances in Gaseous Nebulae
  M. Peimbert

Author Index