activity
20202026
most citedThe CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

299 citations · 733 across the 15 of their papers we have counts for

collaborators

16 papers

astro-ph.CO2026

Gamma-Ray Bursts as an Independent High-Redshift Probe of Dark Energy

Maria Giovanna Dainotti, Aleksander Łukasz Lenart, Biagio De Simone +6

Testing the CDM model requires cosmological probes spanning the wide redshift interval between Type Ia Supernovae (SNe Ia, ) and the Cosmic Microwave Background (C…

astro-ph.HE2025★ 2 cited

Probing evolution of Long GRB properties through their cosmic formation history aided by Machine Learning predicted redshifts

Dhruv S. Bal, Aditya Narendra, Maria Giovanna Dainotti +3

Gamma-ray Bursts (GRBs) are valuable probes of cosmic star formation reaching back into the epoch of reionization, and a large dataset with known redshifts () is an important in…

astro-ph.HE2025★ 5 cited

Probing Evolution of Long Gamma-Ray Burst Properties through Their Cosmic Formation History

Nikita S. Khatiya, Maria Giovanna Dainotti, Aditya Narendra +3

The astrophysics of Long GRB (LGRB) progenitors as well as possible cosmological evolution in their properties still poses many open questions. Previous studies suggest that the LG…

astro-ph.CO2025★ 299 cited

The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533

The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…

astro-ph.HE2025

The multiwavelength correlations quest for central engines of GRB plateaus: magnetar vs black hole spin-down

Aleksander Ł. Lenart, Maria G. Dainotti, Nikita Khatiya +4

This manuscript presents a multilevel analysis of gamma-ray bursts (GRBs). We focus on the plateau phase, which is often observed in the light curves (LCs) of GRBs. We discuss its…

astro-ph.HE2024★ 14 cited

GRB Redshift Estimation using Machine Learning and the Associated Web-App

Aditya Narendra, Maria Dainotti, Milind Sarkar +7

Context. Gamma-ray bursts (GRBs), observed at redshifts as high as 9.4, could serve as valuable probes for investigating the distant Universe. However, this necessitates an increas…

astro-ph.HE2024

A new binning method to choose a standard set of Quasars

Maria Giovanna Dainotti, Aleksander Lukasz Lenart, Mina Godsi Yengejeh +4

Although the Lambda Cold Dark Matter model is the most accredited cosmological model, information at intermediate redshifts (z) between type Ia Supernovae (z = 2.26) and the Cosmic…

astro-ph.CO2024

The Scavenger Hunt for Quasar Samples to Be Used as Cosmological Tools

Maria Giovanna Dainotti, Giada Bargiacchi, Aleksander Łukasz Lenart +1

Although the Cold Dark Matter model is the most accredited cosmological model, information at high redshifts () between type Ia supernovae () and the Cosmic Microwav…

astro-ph.CO2023★ 26 cited

Quasars: standard candles up to z=7.5 with the precision of Supernovae Ia

Maria Giovanna Dainotti, Giada Bargiacchi, Aleksander Łukasz Lenart +2

Currently, the Cold Dark Matter model, which relies on the existence of cold dark matter and a cosmological constant , best describes the Universe. However, we lack informat…

astro-ph.CO2023★ 49 cited

Reducing the uncertainty on the Hubble constant up to 35\% with an improved statistical analysis: different best-fit likelihoods for Supernovae Ia, Baryon Acoustic Oscillations, Quasars, and Gamma-Ray Bursts

Maria Giovanna Dainotti, Giada Bargiacchi, Małgorzata Bogdan +5

Cosmological models and their parameters are widely debated, especially about whether the current discrepancy between the values of the Hubble constant, , obtained by type I…

astro-ph.CO2022★ 3 cited

A bias-free cosmological analysis with quasars alleviating tension

Aleksander Łukasz Lenart, Giada Bargiacchi, Maria Giovanna Dainotti +2

Cosmological models and their parameters are widely debated because of theoretical and observational mismatches of the standard cosmological model, especially the current discrepan…

astro-ph.HE2022★ 74 cited

The Gamma-ray Bursts fundamental plane correlation as a cosmological tool

M. G. Dainotti, A. Ł. Lenart, A. Chraya +5

Cosmological models and their corresponding parameters are widely debated because of the current discrepancy between the results of the Hubble constant, , obtained by SNe Ia…

astro-ph.HE2022★ 68 cited

Quasar standardization: Overcoming Selection Biases and Redshift Evolution

Maria Giovanna Dainotti, Giada Bardiacchi, Aleksander Lukasz Lenart +5

Quasars (QSOs) are extremely luminous active galatic nuclei currently observed up to redshift . As such, they have the potential to be the next rung of the cosmic distance…

astro-ph.HE2021★ 38 cited

Closure relations during the plateau emission of Swift GRBs and the fundamental plane

M. G. Dainotti, A. Ł. Lenart, N. Fraija +5

The Neil Gehrels Swift observatory observe Gamma-Ray bursts (GRBs) plateaus in X-rays. We test the reliability of the closure relations through the fireball model when dealing with…

astro-ph.HE2020★ 95 cited

The X-ray fundamental plane of the Platinum Sample, the Kilonovae and the SNe Ib/c associated with GRBs

Maria Giovanna Dainotti, Aleksander Lenart, Giuseppe Sarracino +3

A large fraction of Gamma-Ray Bursts (GRBs) lightcurves (LCs) shows X-ray plateaus. We analyze all GRBs with known redshifts presenting plateaus observed by \emph{The Neil Gehrels…

astro-ph.HE2020★ 60 cited

On the investigation of the closure relations for Gamma-Ray Bursts observed by Swift in the post-plateau phase and the GRB fundamental plane

Gokul Prem Srinivasaragavan, Maria Giovanna Dainotti, Nissim Fraija +5

Gamma-Ray Bursts (GRBs) are the most explosive phenomena in the Universe after the Big Bang. A large fraction of GRB lightcurves (LCs) shows X-ray plateaus. We perform the most com…