Astronomy 210
Lecture 32, Oct 10
Fall 2010
Lecture Notes:
pdf file
Stars: Physical Properties
Apparent brightness
data on the
125 (apparently) brightest stars
Colors
perfect blackbody radiators
Orion
Hydaes star cluster
optical
image,
objective prism
filters: commonly used
wavelength bands
; a filter
wheel
multiwavelength comparison:
Plieades star cluster
Luminosity
Distance: parallax
RECONS
project data on the
100 nearest stars
nearest stars
mapped
searchable
database
of nearby stars
zoomable
Milky Way Galaxy map
Mass: from
binary systems
visual binaries:
Mizar orbit
spectroscopic
binaries
Mass-luminosity relation
plotted
for main sequence stars
The Life of a 1
M
sun
Star
birth in
molecular clouds
1
M
sun
animated
HR diagram
birth and youth: protostar
adulthood: the main sequence
Lecture Archive
Brian Fields
Last modified: Wed Nov 10 09:39:52 CST 2010