Search Results - "Persson, S. E."
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THE CARNEGIE HUBBLE PROGRAM: THE DISTANCE AND STRUCTURE OF THE SMC AS REVEALED BY MID-INFRARED OBSERVATIONS OF CEPHEIDS
Published in The Astrophysical journal (10-01-2016)“…ABSTRACT Using Spitzer observations of classical Cepheids we have measured the true average distance modulus of the Small Magellanic Cloud (SMC) to be mag…”
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The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant
Published in The Astrophysical journal (10-12-2018)“…We present an analysis of the final data release of the Carnegie Supernova Project I, focusing on the absolute calibration of the luminosity-decline rate…”
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Chemical Compositions of Field and Globular Cluster RR Lyrae Stars. I. NGC 3201
Published in The Astrophysical journal (01-09-2018)“…Abstract We present a detailed spectroscopic analysis of horizontal branch stars in the globular cluster NGC 3201. We collected optical (4580–5330 Å),…”
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Relativistic ejecta from X-ray flash XRF 060218 and the rate of cosmic explosions
Published in Nature (31-08-2006)“…Over the past decade, long-duration γ-ray bursts (GRBs)-including the subclass of X-ray flashes (XRFs)-have been revealed to be a rare variety of type Ibc…”
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The Carnegie Supernova Project: The Low‐Redshift Survey
Published in Publications of the Astronomical Society of the Pacific (01-01-2006)“…Supernovae are essential to understanding the chemical evolution of the universe. Type Ia supernovae also provide the most powerful observational tool…”
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1991T-like Supernovae
Published in The Astrophysical journal. Supplement series (01-07-2024)“…Abstract Understanding the nature of the luminous 1991T-like supernovae (SNe) is of great importance to SN cosmology as they are likely to have been more…”
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A NEW CEPHEID DISTANCE MEASUREMENT AND METHOD FOR NGC 6822
Published in The Astrophysical journal (20-10-2014)“…We present a revised distance to the nearby galaxy NGC 6822 using a new multi-band fit to both previously published and new optical, near-, and mid-infrared…”
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The afterglow and elliptical host galaxy of the short γ-ray burst GRB 050724
Published in Nature (15-12-2005)“…Despite a rich phenomenology, γ-ray bursts (GRBs) are divided into two classes based on their duration and spectral hardness-the long-soft and the short-hard…”
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An asymptotic-giant-branch star in the progenitor system of a type Ia supernova
Published in Nature (07-08-2003)“…Stars that explode as supernovae come in two main classes. A type Ia supernova is recognized by the absence of hydrogen and the presence of elements such as…”
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UNBURNED MATERIAL IN THE EJECTA OF TYPE Ia SUPERNOVAE
Published in The Astrophysical journal (20-01-2012)“…The presence of unburned material in the ejecta of normal Type Ia supernovae (SNe Ia) is investigated using early-time spectroscopy obtained by the Carnegie…”
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A novel explosive process is required for the γ-ray burst GRB 060614
Published in Nature (London) (21-12-2006)“…Over the past decade, our physical understanding of gamma-ray bursts (GRBs) has progressed rapidly, thanks to the discovery and observation of their long-lived…”
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The underluminous Type Ia supernova 2005bl and the class of objects similar to SN 1991bg
Published in Monthly notices of the Royal Astronomical Society (21-03-2008)“…Optical observations of the Type Ia supernova (SN Ia) 2005bl in NGC 4070, obtained from −6 to +66 d with respect to the B-band maximum, are presented. The…”
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The sub-energetic γ-ray burst GRB 031203 as a cosmic analogue to the nearby GRB 980425
Published in Nature (05-08-2004)“…Over the six years since the discovery of the γ-ray burst GRB 980425, which was associated with the nearby (distance ∼40 Mpc) supernova 1998bw, astronomers…”
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Influence of microflora on texture and contents of amino acids, organic acids, and volatiles in semi-hard cheese made with DL-starter and propionibacteria
Published in Journal of dairy science (01-03-2011)“…The microflora of semi-hard cheese made with DL-starter and propionic acid bacteria (PAB) is quite complex, and we investigated the influence of its variation…”
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Wavelength-dependent Image Quality Predictions and Other Considerations for Site Selection and Instrument Design
Published in Publications of the Astronomical Society of the Pacific (01-07-2022)“…Abstract Stellar image motion measured differentially with small telescopes can be converted to image quality predictions for large telescopes at the same…”
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The Cepheid Period-Luminosity Relation at Mid-Infrared Wavelengths. I. First-Epoch LMC Data
Published in The Astrophysical journal (20-05-2008)“…We present the first mid-infrared period-luminosity (PL) relations for Large Magellanic Cloud (LMC) Cepheids. Single-epoch observations of 70 Cepheids were…”
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The Cepheid Period-Luminosity Relation (The Leavitt Law) at Mid-Infrared Wavelengths. IV. Cepheids in IC 1613
Published in The Astrophysical journal (20-04-2009)“…We present mid-infrared period-luminosity relations for Cepheids in the Local Group galaxy IC 1613. Using archival Infrared Array Camera (IRAC) imaging data…”
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The He-Rich Core-Collapse Supernova 2007Y: Observations from X-Ray to Radio Wavelengths
Published in The Astrophysical journal (01-05-2009)“…A detailed study spanning approximately a year has been conducted on the Type Ib supernova (SN) 2007Y. Imaging was obtained from X-ray to radio wavelengths,…”
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THE CARNEGIE SUPERNOVA PROJECT: INTRINSIC COLORS OF TYPE Ia SUPERNOVAE
Published in The Astrophysical journal (01-07-2014)“…We present an updated analysis of the intrinsic colors of Type Ia supernova (SNe Ia) using the latest data release of the Carnegie Supernova Project. We…”
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SN 2005bf: A Possible Transition Event between Type Ib/c Supernovae and Gamma-Ray Bursts
Published in The Astrophysical journal (20-04-2006)“…We present u' g' r' i' BV photometry and optical spectroscopy of the Type Ib/Ic SN 2005bf covering the first 6100 days following discovery. The u' g' BV light…”
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