activity
20212026
most citedThe Pantheon+ Analysis: Cosmological Constraints

1.4k citations · 1.8k across the 23 of their papers we have counts for

collaborators

25 papers

astro-ph.CO2026

Supernovae Unite: Host-Galaxy Mass Measurements of Type Ia Supernovae and Their Impact on Cosmology

J. Lee, R. Camilleri, T. M. Davis +22

Current consensus suggests that Type Ia supernova (SN Ia) brightnesses post light-curve standardization correlate with their host-galaxy stellar masses, which must be accounted for…

astro-ph.CO2025★ 48 cited

The Dark Energy Survey Supernova Program: A Reanalysis Of Cosmology Results And Evidence For Evolving Dark Energy With An Updated Type Ia Supernova Calibration

B. Popovic, P. Shah, W. D. Kenworthy +80

We present improved cosmological constraints from a re-analysis of the Dark Energy Survey (DES) 5-year sample of Type Ia supernovae (DES-SN5YR). This re-analysis includes an improv…

astro-ph.CO2025★ 6 cited

Dark Energy Survey: implications for cosmological expansion models from the final DES Baryon Acoustic Oscillation and Supernova data

DES Collaboration, T. M. C. Abbott, M. Acevedo +118

The Dark Energy Survey (DES) recently released the final results of its two principal probes of the expansion history: Type Ia Supernovae (SNe) and Baryonic Acoustic Oscillations (…

astro-ph.CO2025

It's not : constraining the non-linear matter power spectrum with the Dark Energy Survey Year-5 supernova sample

Paul Shah, T. M. Davis, M. Vincenzi +58

The weak gravitational lensing magnification of Type Ia supernovae (SNe Ia) is sensitive to the matter power spectrum on scales Mpc, making it unwise to interpret SN…

astro-ph.CO2025★ 2 cited

Comparing the DES-SN5YR and Pantheon+ SN cosmology analyses: Investigation based on "Evolving Dark Energy or Supernovae systematics?"

M. Vincenzi, R. Kessler, P. Shah +65

Recent cosmological analyses measuring distances of Type Ia Supernovae (SNe Ia) and Baryon Acoustic Oscillations (BAO) have all given similar hints at time-evolving dark energy. To…

astro-ph.CO2024

Constraints on compact objects from the Dark Energy Survey five-year supernova sample

Paul Shah, Tamara M. Davis, Maria Vincenzi +57

Gravitational lensing magnification of Type Ia supernovae (SNe Ia) allows information to be obtained about the distribution of matter on small scales. In this paper, we derive limi…

astro-ph.CO2024★ 4 cited

[O II] as an Effective Indicator of the Dependence Between the Standardised Luminosities of Type Ia Supernovae and the Properties of their Host Galaxies

B. Martin, C. Lidman, D. Brout +3

We have obtained IFU spectra of 75 SN Ia host galaxies from the Foundation Supernova survey to search for correlations between the properties of individual galaxies and SN Hubble r…

astro-ph.CO2024★ 1 cited

Evaluating Cosmological Biases using Photometric Redshifts for Type Ia Supernova Cosmology with the Dark Energy Survey Supernova Program

R. Chen, D. Scolnic, M. Vincenzi +73

Cosmological analyses with Type Ia Supernovae (SNe Ia) have traditionally been reliant on spectroscopy for both classifying the type of supernova and obtaining reliable redshifts t…

astro-ph.CO2024

Modelling the impact of host galaxy dust on type Ia supernova distance measurements

B. Popovic, P. Wiseman, M. Sullivan +65

Type Ia Supernovae (SNe Ia) are a critical tool in measuring the accelerating expansion of the universe. Recent efforts to improve these standard candles have focused on incorporat…

astro-ph.CO2024

The Dark Energy Survey Supernova Program: An updated measurement of the Hubble constant using the Inverse Distance Ladder

R. Camilleri, T. M. Davis, S. R. Hinton +77

We measure the current expansion rate of the Universe, Hubble's constant , by calibrating the absolute magnitudes of supernovae to distances measured by Baryon Acoustic Oscill…

astro-ph.CO2024★ 9 cited

The Dark Energy Survey Supernova Program: Light curves and 5-Year data release

B. O. Sánchez, D. Brout, M. Vincenzi +82

We present photometric light curves for the full 5 years of the Dark Energy Survey Supernova program (DES-SN), obtained with both forced Point Spread Function (PSF) photomet…

astro-ph.CO2024

The Dark Energy Survey Supernova Program: Investigating Beyond-CDM

R. Camilleri, T. M. Davis, M. Vincenzi +77

We report constraints on a variety of non-standard cosmological models using the full 5-year photometrically-classified type Ia supernova sample from the Dark Energy Survey (DES-SN…

astro-ph.CO2024★ 18 cited

The Dark Energy Survey Supernova Program: Cosmological Analysis and Systematic Uncertainties

M. Vincenzi, D. Brout, P. Armstrong +93

We present the full Hubble diagram of photometrically-classified Type Ia supernovae (SNe Ia) from the Dark Energy Survey supernova program (DES-SN). DES-SN discovered more than 20,…

astro-ph.CO2024★ 37 cited

The Dark Energy Survey: Cosmology Results With ~1500 New High-redshift Type Ia Supernovae Using The Full 5-year Dataset

DES Collaboration, T. M. C. Abbott, M. Acevedo +156

We present cosmological constraints from the sample of Type Ia supernovae (SN Ia) discovered during the full five years of the Dark Energy Survey (DES) Supernova Program. In contra…

astro-ph.CO2023★ 8 cited

Probing the Consistency of Cosmological Contours for Supernova Cosmology

P. Armstrong, H. Qu, D. Brout +6

As the scale of cosmological surveys increases, so does the complexity in the analyses. This complexity can often make it difficult to derive the underlying principles, necessitati…

astro-ph.CO2023★ 12 cited

Binning is Sinning: Redemption for Hubble Diagram using Photometrically Classified Type Ia Supernovae

Richard Kessler, Maria Vincenzi, Patrick Armstrong

Bayesian Estimation Applied to Multiple Species (BEAMS) is implemented in the BEAMS with Bias Corrections (BBC) framework to produce a redshift-binned Hubble diagram (HD) for Type…

astro-ph.HE2022★ 6 cited

Revealing the progenitor of SN 2021zby through analysis of the shock-cooling light curve

Qinan Wang, Patrick Armstrong, Yossef Zenati +34

We present early observations and analysis of the double-peaked Type IIb supernova (SN IIb) 2021zby. captured the prominent early shock cooling peak of SN 2021zby within the…

astro-ph.CO2022★ 43 cited

Concerning Colour: The Effect of Environment on Type Ia Supernova Colour in the Dark Energy Survey

L. Kelsey, M. Sullivan, P. Wiseman +67

Recent analyses have found intriguing correlations between the colour () of type Ia supernovae (SNe Ia) and the size of their 'mass-step', the relationship between SN Ia host ga…

astro-ph.CO2022★ 32 cited

Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC galaxies

R. Chen, D. Scolnic, E. Rozo +82

Current and future cosmological analyses with Type Ia Supernovae (SNe Ia) face three critical challenges: i) measuring redshifts from the supernova or its host galaxy; ii) classify…

astro-ph.CO2022★ 1.4k cited

The Pantheon+ Analysis: Cosmological Constraints

Dillon Brout, Dan Scolnic, Brodie Popovic +43

We present constraints on cosmological parameters from the Pantheon+ analysis of 1701 light curves of 1550 distinct Type Ia supernovae (SNe Ia) ranging in redshift from t…

astro-ph.CO2022★ 39 cited

The Dark Energy Survey 5-year photometrically identified Type Ia Supernovae

A. Möller, M. Smith, M. Sako +80

As part of the cosmology analysis using Type Ia Supernovae (SN Ia) in the Dark Energy Survey (DES), we present photometrically identified SN Ia samples using multi-band light-curve…

astro-ph.CO2021★ 26 cited

The Dark Energy Survey Supernova Program: Cosmological biases from supernova photometric classification

M. Vincenzi, M. Sullivan, A. Möller +81

Cosmological analyses of samples of photometrically-identified Type Ia supernovae (SNe Ia) depend on understanding the effects of 'contamination' from core-collapse and peculiar SN…

astro-ph.HE2021★ 20 cited

SN2017jgh - A high-cadence complete shock cooling lightcurve of a SN IIb with the Kepler telescope

P. Armstrong, B. E. Tucker, A. Rest +69

SN 2017jgh is a type IIb supernova discovered by Pan-STARRS during the C16/C17 campaigns of the Kepler/K2 mission. Here we present the Kepler/K2 and ground based observations of SN…

astro-ph.HE2021★ 16 cited

SN 2018agk: A Prototypical Type Ia Supernova with a Smooth Power-law Rise in Kepler (K2)

Qinan Wang, Armin Rest, Yossef Zenati +73

We present the 30-min cadence Kepler/K2 light curve of the Type Ia supernova (SN Ia) SN 2018agk, covering approximately one week before explosion, the full rise phase and the decli…