Program A midinfrared recalibration of the extragalactic distance scale Carnegie Hubble Program Wendy Freedman PI Eric Persson Mark Seibert Vicky Scowcroft Andy Monson Laura Sturch ID: 381591
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Slide1
Carnegie Hubble Program
A mid-infrared recalibration of the extragalactic distance scaleSlide2
Carnegie Hubble Program
Wendy Freedman (PI)
Eric
Persson
, Mark Seibert
Vicky Scowcroft, Andy Monson
Laura
Sturch
, Jane RigbySlide3
Ceph
Basic Cepheid Light Curves Properties
“Ontology recapitulates Phylogeny” Ernst Haeckel (1838-1919) said that.Slide4
Ceph
Carnegie Hubble Program
(
Persson
et al. 2004, AJ,128, 2239)
Slide5
Cephei
LMC Mid-IR/Spitzer Cepheid Light Curves
Scowcroft et al. (2011),
ApJ
, 743,76
Slide6
Cepheid
Va
Carnegie Hubble Program
(
Persson
et al. 2004, AJ,128, 2239)
Slide7Slide8
Cepheid Variables
Carnegie Hubble Program
(Freedman et al. 2012)
Slide9
H = 74 km/s/Mpc Four NeutrinosSlide10
Dominance of AGB Stars in Mid-IRSlide11
IC 1613 at 3.6 micronsSlide12
Carbon stars dominating NGC 4258