Search Results - "Pain, R."
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COSMOLOGICAL PARAMETER UNCERTAINTIES FROM SALT-II TYPE IA SUPERNOVA LIGHT CURVE MODELS
Published in The Astrophysical journal (20-09-2014)“…We use simulated type Ia supernova (SN Ia) samples, including both photometry and spectra, to perform the first direct validation of cosmology analysis using…”
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The Twins Embedding of Type Ia Supernovae. II. Improving Cosmological Distance Estimates
Published in The Astrophysical journal (01-05-2021)“…Abstract We show how spectra of Type Ia supernovae (SNe Ia) at maximum light can be used to improve cosmological distance estimates. In a companion article, we…”
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Nearby Supernova Factory Observations of SN 2007if: First Total Mass Measurement of a Super-Chandrasekhar-Mass Progenitor
Published in The Astrophysical journal (20-04-2010)“…We present photometric and spectroscopic observations of SN 2007if, an overluminous (M_V = -20.4), red (B-V = 0.16 at B-band maximum), slow-rising (t_rise = 24…”
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The volumetric rate of superluminous supernovae at z ∼ 1
Published in Monthly notices of the Royal Astronomical Society (01-01-2017)“…We present a measurement of the volumetric rate of superluminous supernovae (SLSNe) at z ~ 1.0, measured using archival data from the first four years of the…”
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The Twins Embedding of Type Ia Supernovae. I. The Diversity of Spectra at Maximum Light
Published in The Astrophysical journal (01-05-2021)“…Abstract We study the spectral diversity of Type Ia supernovae (SNe Ia) at maximum light using high signal-to-noise spectrophotometry of 173 SNe Ia from the…”
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Place, social relations and the fear of crime: a review
Published in Progress in Human Geography (01-09-2000)“…This article reviews the literature on fear of crime of interest to the geographical and environmental disciplines. After discussing definitional and…”
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Book Review Journal Article -
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The dependence of Type Ia Supernovae luminosities on their host galaxies
Published in Monthly notices of the Royal Astronomical Society (01-08-2010)“…Precision cosmology with Type Ia supernovae (SNe Ia) makes use of the fact that SN Ia luminosities depend on their light-curve shapes and colours. Using…”
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SNLS3: Constraints on Dark Energy Combining the Supernova Legacy Survey Three-year Data with Other Probes
Published in The Astrophysical journal (20-08-2011)“…We present observational constraints on the nature of dark energy using the Supernova Legacy Survey three-year sample (SNLS3) of Guy et al. and Conley et al…”
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SiFTO: An Empirical Method for Fitting SN Ia Light Curves
Published in The Astrophysical journal (01-07-2008)“…We present SiFTO, a new empirical method for modeling Type Ia supernova (SN Ia) light curves by manipulating a spectral template. We make use of high-redshift…”
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SNEMO: Improved Empirical Models for Type Ia Supernovae
Published in The Astrophysical journal (20-12-2018)“…SN Ia cosmology depends on the ability to fit and standardize observations of supernova magnitudes with an empirical model. We present here a series of new…”
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Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets
Published in The Astrophysical journal (20-10-2008)“…We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with…”
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TWO SUPERLUMINOUS SUPERNOVAE FROM THE EARLY UNIVERSE DISCOVERED BY THE SUPERNOVA LEGACY SURVEY
Published in The Astrophysical journal (20-12-2013)“…We present spectra and light curves of SNLS 06D4eu and SNLS 07D2bv, two hydrogen-free superluminous supernovae (SNe) discovered by the Supernova Legacy Survey…”
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Type Ia supernova bolometric light curves and ejected mass estimates from the Nearby Supernova Factory
Published in Monthly notices of the Royal Astronomical Society (11-05-2014)“…We present a sample of normal Type Ia supernovae (SNe Ia) from the Nearby Supernova Factory data set with spectrophotometry at sufficiently late phases to…”
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HOST GALAXY PROPERTIES AND HUBBLE RESIDUALS OF TYPE Ia SUPERNOVAE FROM THE NEARBY SUPERNOVA FACTORY
Published in The Astrophysical journal (20-06-2013)“…We examine the relationship between Type Ia supernova (SN Ia) Hubble residuals and the properties of their host galaxies using a sample of 115 SNe Ia from the…”
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Constraining Type Ia Supernovae Progenitors from Three Years of Supernova Legacy Survey Data
Published in The Astrophysical journal (01-11-2011)“…While it is generally accepted that Type Ia supernovae are the result of the explosion of a carbon-oxygen white dwarf accreting mass in a binary system, the…”
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IMPROVING COSMOLOGICAL DISTANCE MEASUREMENTS USING TWIN TYPE IA SUPERNOVAE
Published in The Astrophysical journal (10-12-2015)“…ABSTRACT We introduce a method for identifying "twin" Type Ia supernovae (SNe Ia) and using them to improve distance measurements. This novel approach to SN Ia…”
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Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope
Published in The Astrophysical journal (10-10-2006)“…We report Nearby Supernova Factory observations of SN 2005gj, the second confirmed case of a "hybrid" Type Ia/IIn supernova, which we interpret as the…”
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Rates and Properties of Type Ia Supernovae as a Function of Mass and Star Formation in Their Host Galaxies
Published in The Astrophysical journal (10-09-2006)“…We show that Type Ia supemovae (SNe Ia) are formed within both very young and old stellar populations, with observed rates that depend on the stellar mass and…”
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The Discovery of a Gravitationally Lensed Supernova Ia at Redshift 2.22
Published in The Astrophysical journal (10-10-2018)“…We present the discovery and measurements of a gravitationally lensed supernova (SN) behind the galaxy cluster MOO J1014+0038. Based on multi-band Hubble Space…”
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Uniform Recalibration of Common Spectrophotometry Standard Stars onto the CALSPEC System Using the SuperNova Integral Field Spectrograph
Published in The Astrophysical journal. Supplement series (01-11-2022)“…Abstract We calibrate spectrophotometric optical spectra of 32 stars commonly used as standard stars, referenced to 14 stars already on the Hubble Space…”
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