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phys3281 star and planet formation

This class was created by Brainscape user Sophie Wilkinson. Visit their profile to learn more about the creator.

By: Sophie Wilkinson
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Decks in this class (13)

Stability and Collapse of Molecular Clouds
hydrostatic equilibrium, virial equilibrium, collapse criterion, jeans mass, free-fall time
20  cards
Radiation and the ISM
intensity, flux, placnk function, wien's displacement law, NIR/FIR emission, 21cm hydrogen line, 2.6mm rotational line of CO, molecular clouds/cores/GMCs
34  cards
Interstellar Dust
luminosity, apparent brightness, magnitude, dust scattering and absorption, extinction, thermal emission, interstellar extinction curve, transfer of radiation, optical depth
41  cards
Spectroscopy of the ISM
observations in the UV, optical and IR, absorption lines, emission lines, interstellar ices, PAHs
13  cards
Fragmentation
mechanisms controlling fragmentation of molecular clouds, heating and cooling, isothermal collapse, what stops fragmentation, mass of the smallest fragment
23  cards
Hydrostatic Core
what happens when fragmentation stops, formation of protostar, first hydrostatic core, shock fronts, further collapse
13  cards
Observed Properties of Molecular Clouds
properties of real molecular clouds, are they close to the critical mass, are they supported by thermal pressure, how long do they exist
22  cards
Rotation and Magentic Fields
angular momentum and mass transport during collapse, angular momentum problem, angular momentum transfer, magnetic fields
18  cards
Accretion Disks
disk properties, observational evidence for disks around young stars, direct imaging, infrared spectra
24  cards
Formation of Massive Stars
the stellar birthline, the Kelvin-Helmholtz timescale for contraction, the Stromgren sphere, expansion of the ionisation front
28  cards
Jets and Outflows
herbig-haro objects, optical jets, bipolar molecular outflows, radio jets, H2 emission, driving mechanisms, collimation
19  cards
Dispersal of the Protoplanetary Disk
towards the main sequence, lifetime of the dusty disk, dust removal mechanisms. radiation pressure, poyting-robertson effect
15  cards
Formation of Planetary Systems
No deck description has yet been added by the author.
32  cards

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phys3281 star and planet formation

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