COSMOLOGICAL IMPLICATIONS FROM OBSERVATIONS OF TYPE IA SUPERNOVAE

By B. Leibundgut. 2001

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Constraints on the progenitor systems of type Ia supernovae (2005, unknown): “Due to their large luminosity, they are used to place constraints on cosmological parameters, and as of yet, provide the onlydirect evidence for the existence of dark energy (Riess et al. 1998a; Perlmutter et al. 1999; Leibundgut 2001).”
Twenty-Three High-Redshift Supernovae from the Institute for Astronomy Deep Survey: Doubling the Supernova Sample at z > 0.7 (2004, background): “However, Leibundgut (2001) presented evidence that distant SNe Ia are significantly bluer than the nearby sample, possibly indicating photometric evolution that could bedevil analyses that assume that color corrections can be made based on comparison to local SNe Ia.”
Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope (2006, background): “…arise from multiple channels (e.g., Howell 2001; Scannapieco & Bildsten 2005), acting on significantly different timescales, and in particular whether the relative contributions of multiple channels could act in such a way as to lead to biased cosmology results (Drell et al. 2000; Leibundgut 2001).”
Hubble Space Telescope and Ground-based Observations of Type Ia Supernovae at Redshift 0.5: Cosmological Implications (2005, background): “Reviews with more detail on this remarkable paradigm shift are given by Riess (2000), Leibundgut (2001),Carroll (2001), Perlmutter&Schmidt (2003), andFilippenko (2001, 2004).”
New Hubble Space Telescope Discoveries of Type Ia Supernovae at z ≥ 1: Narrowing Constraints on the Early Behavior of Dark Energy (2006, result): “As reported elsewhere, there is considerable evidence against these possibilities and little evidence in favor of either of them (Riess et al. 1998, 2001; Perlmutter et al. 1999; Leibundgut 2001; Sullivan et al. 2003; Knop et al. 2003; Filippenko 2004, 2005).”
FIRST-YEAR SLOAN DIGITAL SKY SURVEY-II SUPERNOVA RESULTS: HUBBLE DIAGRAM AND COSMOLOGICAL PARAMETERS (2009, background): “In the intervening decade, dedicated SN surveys have brought tremendous improvements in both the quantity and quality of SN Ia data, and SNe Ia remain the method of choice for precise relative distance determination over cosmological scales (e.g., Leibundgut 2001; Filippenko 2005).”
De re metallica: the cosmic chemical evolution of galaxies (2018, background): “SNIa explosions are thought to arise from the ignition of carbon burning in the C-O core, which results in the total disruption of the white dwarf (as the nuclear energy released by the dwarf is higher than its gravitational binding energy, Leibundgut, 2001).”
Constraints on the Physics of Type Ia Supernovae from the X-Ray Spectrum of the Tycho Supernova Remnant (2005, background): “…role as cosmological probes (Riess et al. 1998; Perlmutter et al. 1999), and they constitute the most direct evidence for the accelerating universe (Leibundgut 2001), but despite the continuing efforts of theorists during the last decades, our understanding of these objects is far frombeing…”
Cosmological parameters from supernova observations: A critical comparison of three data sets (2003, background): “…(Garnavich et al. 1998; Astier 2000; Saini et al. 2000; Wang & Garnavich 2001; Weller & Albrecht 2001; Goliath et al. 2001; Wang & Lovelace 2001; Leibundgut 2001; Trentham 2001; Podariu, Nugent, & Ratra 2001; Corasaniti & Copeland 2002; Kujat et al. 2002; Minty, Heavens, & Hawkins 2002; Maor et…”
The Cosmological Constant and Dark Energy (2002, methodology): “For recent discussions of their use as a cosmological test see Goobar and Perlmutter (1995), Reiss et al. (1998), Perlmutter et al. (1999a), Gott et al. (2001), and Leibundgut (2001).”
An alternative to the cosmological 'concordance model' (2003, background): “Moreover, the distant SN Ia appear to be significantly bluer than the nearby sample, suggesting that the derived reddening may have been underestimated (Leibundgut 2001).”
Observational Constraints on the Nature of Dark Energy: First Cosmological Results from the ESSENCE Supernova Survey (2007, background): “…Ia at z ≈ 0.5 were about 0.2 mag dimmer than expected in an open universe and pointed firmly at an accelerating universe (for first-hand accounts, see Overbye 1999; Riess 2000; Filippenko 2001; Kirshner 2002; Perlmutter 2003); reviews are given by Leibundgut (2001), Filippenko (2005b) and others.”
Origin of the Chemical Elements (2010, methodology): “This is why SN Ia are thought to be excellent standard candles with very low variation in the effective energy output (Dominguez et al. 2001, Leibundgut 2001a,b).”
On the evolution of rapidly rotating massive white dwarfs towards supernovae or collapses (2005, background): “…objects crucial for understanding chemical evolution as well as Present address: Astronomical Institute “Anton Pannekoek”, University of Amsterdam, Kruislaan 403, 1098 SJ, Amsterdam, The Netherlands. the expansion history of the universe (e.g. Leibundgut 2001) – have not been considered in detail.”
The 511 keV emission from positron annihilation in the Galaxy (2010, methodology): “…the shape of the SNIa light curves is associated to the 56Ni mass (with brighter SNIa fading more slowly) and after correction is made for that effect (Phillips, 1993) SNIa can indeed be used as “standard candles” for the determination of cosmological distances (see Leibundgut, 2001 for a review).”
A Model-Independent Determination of the Expansion and Acceleration Rates of the Universe as a Function of Redshift and Constraints on Dark Energy (2003, background): “…background (CMB) fluctuations (e.g., Bennett et al. 2003; Spergel et al. 2003, and references therein), the use of distant supernovae (SNe) in a Hubble diagram (see, e.g., Riess 2000; Leibundgut 2001, and references therein), radio galaxies (e.g., Daly & Guerra 2002), and many other advances.”
Cepheid Calibrations from the Hubble Space Telescope of the Luminosity of Two Recent Type Ia Supernovae and a Redetermination of the Hubble Constant (2004, background): “…extreme and relatively uniform luminosities provide the means to measure accurate and precise distances across a significant fraction of the visible universe (for a review see Leibundgut 2001) and gave the first evidence of its accelerating expansion (Riess et al. 1998; Perlmutter et al. 1999).”