A Recipe for Star Formation
A(Gís) Recipe for (z=0) Star Formation
Effects of a ìPressure Cookerî in the ISM
Frozen EntrÈe: Star Formation in Galaxies
Steps in the Recipe
Radio Spectral-line Observations of Molecular Clouds
ìIntegrated Intensity Mapî
Velocity as a "Fourth" Dimension
Tools in this 4D (x-y-v-Intensity) Space
Step 3: ìForming the Blobs that will form the Starsî
Coherent Cores: ìIslands of Calm in a Turbulent Seaî
ìLarsonís Lawî Scaling Relations (1981)
Virial Equilibrium and Larsonís Laws
ìLine width-Size Relationsî
(Some of) the Original Evidence for Coherence
Why Line Strength is a Proxy for Size near a Core
Line width-Size Relations
Better Evidence for Coherence
The Latest Evidence for Coherence
Types of Line width-Size Relations
Length Scales Relevant to Coherence
ìCoherenceî in Spatial Distribution of Stars
Chemical Excitation Effects
Coherent Dense Core
Timescales
Ingredients for a Coherent Core
Strong vs. Weak B-Field
The Superstore Learning More from ìToo Muchî Data
The Spectral Correlation Function
How the SCF Works
Goals of ìSCFî Project
Application of the ìRawî SCF
Application of the SCF
SCF Distributions
Preliminary Insights from the SCF Rosolowsky, Goodman, Williams & Wilner 1999
Which one of these is not like the others?
Can the SCF describe gas physically?
Q. Can the SCF find Star-Forming Gas? A. Empirically, but thatís not good enough.
"Continuum" Information
A very busy kitchen.
PPT Slide
Next Time: The Effects of pc-Scale Outflows
How the Recipe Works
Stellar Recyclables
Consumption of Recyclables
(Unusual?) Stellar Nursery in the Eagle Nebula
Star Formation Caused by A Galaxy Collision
Email: agoodman@cfa.harvard.edu
Home Page: http://cfa-www.harvard.edu/~agoodman
Other information: Presented at STScI Colloquium, 9/22/99
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