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Event: 'Precision Of SNe Ia As Cosmological Distance Indicators: From Progenitors To Light Curves Through The Explosion Mechanism (Inma Domínguez)'

Seminars
CENTRA Seminars
Date: Wednesday, June 02, 2010 At 02:30 PM
Duration: 1 Hour
Contact Info:
Vallery Stanishev
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
URL:

Speaker:

 Inma Domínguez

Departamento de Física Teórica y del Cosmos. Universidad de Granada.

Abstract:

To characterize the EOS of the dark energy based on SNe Ia Hubble
diagrams requires to decrease the present dispersion in the SNIa
calibration relation. Systematic effects, like extinction and evolution
with redshift, may limit the precision by which SNe Ia could be used to
measure Cosmology. Observations indicate that brighter SNe Ia occur only
in systems with ongoing star formation and that the majority of SNe Ia
comes from young progenitors. In this talk I will focus on the challenge
to understand, from a theoretical point of view, the dispersion in the
calibration relation and the link between SNIa progenitors and light curves.

 

Place and time:

Physics Department meeting room, 2nd floor

2 June 2010, 14:30



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