Search Results - "Bargiacchi, G"
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Gamma-ray bursts, quasars, baryonic acoustic oscillations, and supernovae Ia: new statistical insights and cosmological constraints
Published in Monthly notices of the Royal Astronomical Society (01-05-2023)“…ABSTRACT The recent $\sim 4 \, \sigma$ Hubble constant, H0, tension is observed between the value of H0 from the cosmic microwave background (CMB) and Type Ia…”
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Quasar cosmology: dark energy evolution and spatial curvature
Published in Monthly notices of the Royal Astronomical Society (26-07-2022)“…ABSTRACT We analyse some open debates in cosmology in light of the most updated quasar (QSO) sample, covering a wide redshift range up to $\mathit{ z}$ ∼ 7.5,…”
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Tensions with the flat ΛCDM model from high-redshift cosmography
Published in Monthly notices of the Royal Astronomical Society (01-10-2023)“…ABSTRACT The longstanding search for the cosmological model that best describes the Universe has been made more intriguing since the recent discovery of the…”
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4
Optical and X-ray GRB Fundamental Planes as cosmological distance indicators
Published in Monthly notices of the Royal Astronomical Society (15-06-2022)“…ABSTRACT Gamma-ray bursts (GRBs), can be employed as standardized candles, extending the distance ladder beyond Type Ia supernovae (SNe Ia, z = 2.26). We…”
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Quasars: Standard Candles up to z = 7.5 with the Precision of Supernovae Ia
Published in The Astrophysical journal (01-06-2023)“…Abstract Currently, the Λ cold dark matter model, which relies on the existence of cold dark matter and a cosmological constant Λ, best describes the universe…”
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6
Quasars as high‐redshift standard candles
Published in Astronomische Nachrichten (01-05-2023)“…In the past few years, we built a Hubble diagram of quasars up to redshift z∼7$$ z\sim 7 $$, based on the nonlinear relation between quasars' x‐ray and UV…”
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On the statistical assumption on the distance moduli of Supernovae Ia and its impact on the determination of cosmological parameters
Published in Journal of high energy astrophysics (01-03-2024)“…Type Ia Supernovae (SNe Ia) are considered the most reliable standard candles and they have played an invaluable role in cosmology since the discovery of the…”
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Tensions with the flat $\boldsymbol{\Lambda}$CDM model from high-redshift cosmography
Published 28-07-2023“…The longstanding search for the cosmological model that best describes the Universe has been made more intriguing since the recent discovery of the Hubble…”
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9
Gamma-Ray Bursts, Quasars, Baryonic Acoustic Oscillations, and Supernovae Ia: new statistical insights and cosmological constraints
Published 13-03-2023“…The recent $\sim 4 \, \sigma$ Hubble constant, $H_{0}$, tension is observed between the value of $H_{0}$ from the Cosmic Microwave Background (CMB) and Type Ia…”
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Journal Article -
10
Quasar cosmology: dark energy evolution and spatial curvature
Published 03-11-2021“…We analyse some open debates in cosmology in light of the most updated quasar (QSO) sample, covering a wide redshift range up to $z\sim7.5$, combined with type…”
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11
Quasars as high-redshift standard candles
Published 27-06-2022“…A&A 663, L7 (2022) The non-linear relation between the X-ray and ultraviolet (UV) luminosity in quasars has been used to derive quasar distances and to build a…”
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12
Quasars as standard candles III. Validation of a new sample for cosmological studies
Published 19-08-2020“…A&A 642, A150 (2020) We present a new catalogue of ~2,400 optically selected quasars with spectroscopic redshifts and X-ray observations from either Chandra or…”
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Abstract P6-03-01: Molecular Dissection of Breast Luminal Cell Transcription Factor Networks
Published in Cancer research (Chicago, Ill.) (15-12-2012)“…Abstract During mammary development, cellular differentiation and lineage commitment are driven by distinct growth cycles under the control of local epithelial…”
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