Regions of Recent Star Formation: Proceedings of the Symposium on "Neutral Clouds Near Hii Regions -- Dynamics and Photochemistry", Held in Penticton,

ISBN-13: 9789027713834 / Angielski / Twarda / 1982 / 496 str.

R. S. Bohn; P. E. Dewdney

Opis

Proceedings of the Symposium on Neutral Clouds Near Hll Regions - Dynamics and Photochemistry' held in Penticton, British Columbia, 24-26 June 1981

Spis treści

The Dynamical Evolution of HII Regions in Non-Uniform Environments (Review).- HII Regions in Collapsing Massive Molecular Clouds.- The Dynamical Evolution of an HII Region.- Radio Continuum Observations of W1.- Interaction of the HII Region S236 with the Surrounding Medium.- Optical and Millimeter Wavelength Study of the Complex Sh2-147/Sh2-153.- The HII Region W40 and its Molecular Cloud.- HII Bubbles and Shocks in Molecular Clouds.- A Multi-purpose Scanning Fabry-Perot Interferometer System.- Fine Structure Lines in HII Regions Interacting with Molecular Clouds.- Excited OH in Absorption Towards W3(OH).- Ultra-compact HII Regions Embedded in Infrared Sources.- Dynamical Effects of Stellar Winds and Shocked Gas on Interstellar Clouds (Review).- A Calculation of Molecule Abundances Behind Slow Shocks.- Gravitational Instabilities in Shock Compressed Gas Layers.- Magnetic Fields and the Evolution of Shocked Gas Clouds.- Radiation-Hydrodynamics of HII Regions and Molecular Clouds.- High Velocity Gas in Molecular Clouds.- High Velocity CO Emission Around T Tauri Stars.- Observations and Interpretation of the Line Profiles of Excited H2 in Orion.- High Velocity H2 Line Emission in the NGC 2071 Region.- Infrared Atomic Hydrogen Line Formation in Luminous Stars.- Atomic Hydrogen Zones Associated with HII Regions.- The NGC 7538 Region: The Distribution and Dynamics of Molecules Compared with those of HI and H+.- Atomic and Ionized Hydrogen in Cepheus 0B3.- Neutral Hydrogen Observations of the Puppis Window.- Neutral Hydrogen Towards Tycho’s Supernova Remnant.- The Velocities of the Neutral and Ionized Components of HII Regions.- A CO Survey of 372 Optical HII Regions.- HI and CO Observations of Distant HII Regions in the Galactic Anticenter.- Dynamics of CO Clouds Around HII Regions in the Outer Galaxy.- CO J=2-1 Observations of Southern Galactic Plane HII Regions.- Observations of CO J=3?2 Emission From Molecular Clouds.- Properties of Giant Molecular Clouds in the Galactic Molecular Ring.- Changes of the Star Formation Rate and the Initial Mass Function with Galactic Radius.- Infrared and Maser Sources in Regions of Star Formation (Review).- High Velocity CO Line Wings and the Dynamics of Star Forming Molecular Cloud Cores.- Kinematics of Molecular Gas in Orion from Observations of the 13 CO J=2?1 Line.- Molecular Hydrogen Emission From Broad Wing Cloud Cores.- Asymmetric Broad HCO+ Line Wings in Cores of Molecular Clouds.- Some of the Problems Raised by CO and HCO+ Observations in the Rho Ophiuchi Cloud.- CO J=3?2 and Far Infrared Continuum Observations of L1551, Orion KL and IRC + 10216.- CO in the Horsehead Nebula.- Small Scale Clumping in the Orion Molecular Cloud.- The ON-1 CO Cloud Complex — Onset of Star Formation.- CO Observations of the Molecular Cloud Encompassing Sharpless 222.- Formation of a BO.5 Star Due to the Interaction of a Shock Wave with a Molecular Cloud in IC1805.- Chemistry Relevant to Molecular Clouds near HII Regions (Review).- Selective Photodestruction of CO Isotopic Species.- X-Ray Ionization and the Chemistry of the Orion Molecular Cloud.- Methyl Cyanide as a Probe of the Temperature and Density in SgrB2; Quasi-Equilibrium in Molecular Rotational Levels.- High Spatial Resolution Observations of HCN in S 235B.- A Model for the Formaldehyde Maser Near NGC 7538 - IRS 1.- H2CO Near Compact HII Regions - New WSRT Results.- Is a BN-Type Object the Energy Input to the NH3 Cloud in NGC 2071?.- VLA Observations of OH Masers and Associated Ultracompact Continuum Sources.- Carbon Monoxide in the Magellanic Clouds.- Molecular Line Mapping of OMC-1.- An Upper Limit to the Atomic Carbon Abundance in the Orion Plateau.- Observations of Neutral Carbon in the NGC 1977 Bright Rim.- Observations of CO in TMC 1.- CO Emission Associated with Cold Neutral Hydrogen.- On the Correlation of CH Abundance and Extinction in Dark Nebulae.- Author Index.- Index of Astronomical Objects.