What Sculpts the Interstellar Medium?

3/9/99


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Table of Contents

What Sculpts the Interstellar Medium?

Galaxies & Museums

Galaxies & Museums

PPT Slide

Tools for finding the tools

Tools for finding the tools

Velocity as a "Fourth" Dimension

W3

Blasting

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

Chiseling

Self-similar Structure on scales from 100 pc to 0.1 pc...in Orion

Types of Line width-Size Relations

ěLarsonís Lawî Scaling Relations (1981)

PPT Slide

Coherent Cores: ěIslands of Calm in a Turbulent Seaî

Hint #1: Independent Core Rotation

Hint #2: Constant Line Width in Cores?

Example of the (Original) Evidence for Coherence

Types of Line width-Size Relations

Types of Line width-Size Relations

Types of Line width-Size Relations

The (Newer) Evidence for Coherence

The Newest Evidence for Coherence

Coherent Dense Core

ěCoherenceî in Spatial Distribution of Stars

The Cause of Coherence?

Length Scales Relevant to Coherence

Timescales

Quality Control Learning More from ěToo Muchî Data

The Spectral Correlation Function

Goals of ěSCFî Project

How the SCF Works

A ěRealî Molecular Cloud

Initial Comparisons using the SCF

Initial Comparisons using the SCF

Strong vs. Weak Field

Goals of ěSCFî Project

Results from SCF Project, 3/99

The Effects of Noise

What Sculpts the ISM?

To be discussed:

Optical View of W3 Region

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 at Institute for Advanced Study, March 9, 1999

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