Watching the Interstellar Medium Move

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Table of Contents

Watching the Interstellar Medium Move

Bart Bok and the ėDark Nebulaeî

PPT Slide

Taurus Dark Cloud Complex 100 mm ISSA image

Taurus: Star Counting

Taurus: Star Counting, Color Excess of Stars

Taurus: All Methods of Measuring Extinction

Bart Bok in 1955

Adding a Third Dimension

PPT Slide

Watching the ISM Move

W3

The Origin and Evolution of High-Latitude Clouds

High-latitude Clouds

The Velocity Field in Ursa Major

Dv and vLSR Gradients

PPT Slide

Confirmation: Position Velocity Diagrams for H I and CO

PPT Slide

PPT Slide

Implications of Ursa Major Study

PPT Slide

Bok and his Globules

Bok and his Globules

1990: ėBart Bok Was Correct!î

Motions Of, In and Around Dense Cloud Cores

Coherent Cores: ėIslands of Calm in a Turbulent Seaî

Hint #1: Independent Core Rotation

Hint #2: Constant Line Width in Cores?

Types of Line width-Size Relations

Types of Line width-Size Relations

Types of Line width-Size Relations

Types of Line width-Size Relations

An Example of the (Original) Evidence for Coherence

The (Newer) Evidence for Coherence

Coherent Dense Core

ėCoherenceî in Spatial Distribution of Stars

The Cause of Coherence?

Learning More from ėToo Muchî Data

The Spectral Correlation Function

Goals of ėSCFî Project

How the SCF Works

A ėRealî Molecular Cloud

Initial Comparisons using the SCF

Initial Comparisons using the SCF

Goals of ėSCFî Project

Watching the ISM Move

Next section contains "optional" slides, not used.

Optical View of W3 Region

ėGo no further than AV~1.3 mag.î

ėStar and Planet Formationî

The Velocity Field in Ursa Major

Author: Alyssa A. Goodman

Email: agoodman@cfa.harvard.edu

Home Page: cfa-www.harvard.edu/~agoodman

Other information:
Presentation given at Bok Prize Lecture, September 17, 1998, Harvard University

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