Astronomy 210
Lecture 27, Oct 27
Fall 2010
Lecture Notes:
pdf file
Testing the Solar Nebula Theory
Test II:
Exoplanets
Star
wobble
(reflex motion)
theory: Sun
wobble
, signature in
spectrum
, velocity
pattern
, you pick the
orbit
observation: measured velocities:
circular
,
eccentric
, and
really
eccentric
orbits
Eclipsing planets:
transits
observed
Just begun, (major?) results soon:
NASA Kepler
infrared
image
of three planet system
Results to date
plotted
; and
tabulated
trends
vs heavy element ("metal") content
ditribution of observed
masses and orbits
and the "brown dwarf desert"
Implications
planet swallowing?
Lecture Archive
Brian Fields
Last modified: Wed Oct 27 09:04:44 CDT 2010