Astronomy 507
Lecture 7, Feb. 5
Spring 2014
Lecture Notes:
pdf file
The Cosmic Equation of State
Minimally Realistic(?) Cosmic Histories
cosmic ingredients
limiting
cases
: matter, radiation, curvature, Lambda domination
Density and Destiny
Theory:
Dicke
Coincidences
Observation: galaxy surveys
a fair sample of mass/light?
galaxy halos: rotation curves:
the pioneer:
Vera Rubin
(
1970
)
geometry
of the problem
M31:
optical
, with 21-cm
rotation curve
from
Carignan et al (2006)
M33
rotation curve
NGC 2997: images optical
here
and
here
;
data
hot off the slit spectrograph
typical rotation curves
examples
, by
galaxy type
galaxy clusters:
Abell 1689
,
Abell 2218
,
0024+1654
,
Abell 370
,
SDSS J1004+4112
,
gallery
Testing dark matter: the
bullet
cluster
(
Clowe 2006
)
other displaced clusters: MACS J0025.4-1222
here
and
here
(
Bradac et al 2008
),
Abell 520
(
Clowe et al 2012
),
Abell 1758
(
Ragozzine et al 2012
),
DLSCL J0916.2+2951
(
Dawson et al 2012
)
Observation: CMB anisotropies
WMAP 2007
cosmological parameters
Lecture Archive
Brian D. Fields
Last modified: Wed Feb 5 11:43:40 CST 2014