By Sébastien Fabbro (auth.), Domingos Barbosa, António José Da Silva, Ana Maria Mourão (eds.)
The previous few years observed the improvement of a plethora of experiments and surveys probing the cosmological parameters. The Cosmic Microwave historical past (CMB), the Supernovae (SN) searches and galaxy cluster info, specifically through X-rays and Sunyaev-Zel'dovich impression, are one of the such a lot prolific giving unique information regarding the geometry, age and constitution formation of the Universe.
The software of the WS-HCP workshop was once aimed toward highlighting the medical achievements and to debate the hot atmosphere of "precision cosmology" inside those 3 probes. the target used to be to examine assorted observational options, universal difficulties specifically foregrounds, and to evaluate the impression of observational uncertainties within the selection of key cosmological parameters which describe the primordial universe and the big scale constitution formation mechanism.
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Additional info for 3K, SN’s, Clusters: Hunting the Cosmological Parameters with Precision Cosmology: A JENAM 2002 Workshop Porto, Portugal 3–5 September 2002
ABRIEF HISTORICAL ACCOUNT Type Ia supernovae (SNe Ia) are explosions of carbon-oxygen white dwarfs (C+O WDs), very uniform in their physical properties. Their brightness and the possibility of calibrating their luminosity makes them very suitable distance indicators in cosmology. * lnvited Review given at JENAM 2002, Porto 4-6 September ~ •' " Astrophysics and Space Science 290: 43-59, 2004. © 2004 Kluwer Academic Publishers. 44 P. RUIZ-LAPUENTE In the first uses of SNe Ia to deterrnine the cosmological parameters it was assumed that those objects were standard candles, implying that they all had similar luminosities.
Tonry, J. : 2003, Apl, submitted. : 1998, A&A 331, 815. Tripp, R. : 1999, Apl 525, 209. , Wozniak, P. : 1999, Acta Astr. 49, 201. SNE Ia AS STANDARD CANDLES 41 Uomoto, A. : 1985, A&A 149, L7. D. : 1997, in: P. Ruiz-Lapuente, R. Canal and J. ), Thermonuclear Supernovae, Kluwer, Dordrecht, 65. , Aldering, G. : 2003, Apl, in press (astro-ph/0302341). C. : 1985, Apl 294, Ll7. COSMOLOGY WITH SUPERNOVAE* The Road from Galactic Supernovae to the edge of the Universe P. RUIZ-LAPUENTE Department of Astronomy, U.
Whelan, J. : 1973, ApJ 186, 1007. G. ), Supernovae, A A & A library, p. 182. E. : 1994, in: J. Audouze et al. ), Supernovae, Elsevier Science Publishers, Amsterdam, p. 63. B. : 1938, Acta Physicochim. USSR 9, 341. ARE TYPE Ia SUPERNOVAE STANDARD CANDLES? BRUNO LEIBUNDGUT European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching, Germany Abstract. The use of standard candles for distance measurements is wide spread. Yet, we currently do not know a pure standard candle in astronomy.