Search Results - "Dwomoh, Arianna"
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1
Reinterpreting the Polluted White Dwarf SDSS J122859.93+104032.9 in Light of Thermohaline Mixing Models: More Polluting Material from a Larger Orbiting Solid Body
Published in The Astrophysical journal (01-08-2023)“…Abstract The polluted white dwarf (WD) system SDSS J122859.93+104032.9 (SDSS J1228) shows variable emission features interpreted as originating from a solid…”
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Journal Article -
2
The Pantheon+ Analysis: The Full Data Set and Light-curve Release
Published in The Astrophysical journal (01-10-2022)“…Abstract Here we present 1701 light curves of 1550 unique, spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological…”
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Journal Article -
3
The Pantheon+ Analysis: SuperCal-fragilistic Cross Calibration, Retrained SALT2 Light-curve Model, and Calibration Systematic Uncertainty
Published in The Astrophysical journal (01-10-2022)“…Abstract We present a recalibration of the photometric systems in the Pantheon+ sample of Type Ia supernovae (SNe Ia) including those in the SH0ES…”
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Journal Article -
4
Evaluating the Consistency of Cosmological Distances Using Supernova Siblings in the Near-infrared
Published in The Astrophysical journal (01-04-2024)“…Abstract The study of supernova (SN) siblings, supernovae with the same host galaxy, is an important avenue for understanding and measuring the properties of…”
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Journal Article -
5
The Pantheon+ Analysis: Cosmological Constraints
Published in The Astrophysical journal (01-10-2022)“…Abstract We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia)…”
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Journal Article -
6
The Pantheon+ Analysis: Evaluating Peculiar Velocity Corrections in Cosmological Analyses with Nearby Type Ia Supernovae
Published in The Astrophysical journal (01-10-2022)“…Abstract Separating the components of redshift due to expansion and peculiar motion in the nearby universe ( z < 0.1) is critical for using Type Ia Supernovae…”
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7
The DEHVILS survey overview and initial data release: high-quality near-infrared Type Ia supernova light curves at low redshift
Published in Monthly notices of the Royal Astronomical Society (21-04-2023)“…ABSTRACT While the sample of optical Type Ia supernova (SN Ia) light curves (LCs) usable for cosmological parameter measurements surpasses 2000, the sample of…”
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Journal Article -
8
The DEHVILS survey overview and initial data release: high-quality near-infrared Type Ia supernova light curves at low redshift
Published in Monthly notices of the Royal Astronomical Society (13-04-2023)“…ABSTRACT While the sample of optical Type Ia supernova (SN Ia) light curves (LCs) usable for cosmological parameter measurements surpasses 2000, the sample of…”
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Journal Article -
9
The Pantheon+ Analysis: The Full Data Set and Light-curve Release
Published in The Astrophysical journal (01-10-2022)“…Abstract Here we present 1701 light curves of 1550 unique, spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological…”
Get full text
Journal Article -
10
Reinterpreting the Polluted White Dwarf SDSS J122859.93+104032.9 in Light of Thermohaline Mixing Models: More Polluting Material from a Larger Orbiting Solid Body
Published 06-06-2023“…The polluted white dwarf (WD) system SDSS J122859.93+104032.9 (SDSS J1228) shows variable emission features interpreted as originating from a solid core…”
Get full text
Journal Article -
11
Evaluating the Consistency of Cosmological Distances Using Supernova Siblings in the Near-Infrared
Published 10-11-2023“…The study of supernova siblings, supernovae with the same host galaxy, is an important avenue for understanding and measuring the properties of Type Ia…”
Get full text
Journal Article -
12
The DEHVILS in the Details: Type Ia Supernova Hubble Residual Comparisons and Mass Step Analysis in the Near-Infrared
Published 10-09-2024“…A&A 690, A56 (2024) Measurements of Type Ia Supernovae (SNe Ia) in the near-infrared (NIR) have been used both as an alternate path to cosmology compared to…”
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Journal Article -
13
The Pantheon+ Analysis: SuperCal-Fragilistic Cross Calibration, Retrained SALT2 Light Curve Model, and Calibration Systematic Uncertainty
Published 14-11-2022“…ApJ 938 111 (2022) We present here a re-calibration of the photometric systems used in the Pantheon+ sample of Type Ia supernovae (SNe Ia) including those used…”
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Journal Article -
14
The DEHVILS Survey Overview and Initial Data Release: High-Quality Near-Infrared Type Ia Supernova Light Curves at Low Redshift
Published 10-04-2023“…While the sample of optical Type Ia Supernova (SN Ia) light curves (LCs) usable for cosmological parameter measurements surpasses 2000, the sample of…”
Get full text
Journal Article -
15
The Pantheon+ Analysis: Evaluating Peculiar Velocity Corrections in Cosmological Analyses with Nearby Type Ia Supernovae
Published 13-01-2022“…Separating the components of redshift due to expansion and peculiar motion in the nearby universe ($z<0.1$) is critical for using Type Ia Supernovae (SNe Ia)…”
Get full text
Journal Article -
16
The Pantheon+ Analysis: Cosmological Constraints
Published 14-11-2022“…ApJ 938 110 (2022) We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe…”
Get full text
Journal Article -
17
The Pantheon+ Analysis: The Full Dataset and Light-Curve Release
Published 07-02-2022“…Here we present 1701 light curves of 1550 spectroscopically confirmed Type Ia supernovae (SNe Ia) that will be used to infer cosmological parameters as part of…”
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Journal Article