English
Related papers

Related papers: Determining $H_0$ using a model-independent method

200 papers

We present an improved measurement of the Hubble constant (H_0) using the 'inverse distance ladder' method, which adds the information from 207 Type Ia supernovae (SNe Ia) from the Dark Energy Survey (DES) at redshift 0.018 < z < 0.85 to…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-29 E. Macaulay , R. C. Nichol , D. Bacon , D. Brout , T. M. Davis , B. Zhang , B. A. Bassett , D. Scolnic , A. Möller , C. B. D'Andrea , S. R. Hinton , R. Kessler , A. G. Kim , J. Lasker , C. Lidman , M. Sako , M. Smith , M. Sullivan , T. M. C. Abbott , S. Allam , J. Annis , J. Asorey , S. Avila , K. Bechtol , D. Brooks , P. Brown , D. L. Burke , J. Calcino , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , T. Collett , M. Crocce , C. E. Cunha , L. N. da Costa , C. Davis , J. De Vicente , H. T. Diehl , P. Doel , A. Drlica-Wagner , T. F. Eifler , J. Estrada , A. E. Evrard , A. V. Filippenko , D. A. Finley , B. Flaugher , R. J. Foley , P. Fosalba , J. Frieman , L. Galbany , J. García-Bellido , E. Gaztanaga , K. Glazebrook , S. González-Gaitán , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , D. L. Hollowood , K. Honscheid , J. K. Hoormann , B. Hoyle , D. Huterer , B. Jain , D. J. James , T. Jeltema , E. Kasai , E. Krause , K. Kuehn , N. Kuropatkin , O. Lahav , G. F. Lewis , T. S. Li , M. Lima , H. Lin , M. A. G. Maia , J. L. Marshall , P. Martini , R. Miquel , P. Nugent , A. Palmese , Y. -C. Pan , A. A. Plazas , A. K. Romer , A. Roodman , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , R. Sharp , M. Soares-Santos , F. Sobreira , N. E. Sommer , E. Suchyta , E. Swann , M. E. C. Swanson , G. Tarle , D. Thomas , R. C. Thomas , B. E. Tucker , S. A. Uddin , V. Vikram , A. R. Walker , P. Wiseman

The local distance ladder estimate of the Hubble constant ($H_0$) is important in cosmology, given the recent tension with the early universe inference. We estimate $H_0$ from the Type Ia supernova (SN~Ia) distance ladder, inferring SN~Ia…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-03 Suhail Dhawan , Stephen Thorp , Kaisey S. Mandel , Sam M. Ward , Gautham Narayan , Saurabh W. Jha , Thaisen Chant

We present an empirical method which uses visual band light curve shapes (LCS) to estimate the luminosity of type Ia supernovae (SN Ia). This method is first applied to a ``training set'' of 8 SN Ia light curves with independent distance…

Astrophysics · Physics 2009-10-22 Adam G. Riess , William H. Press , Robert P. Kirshner

We present a cosmological model-independent determination of the Hubble constant, $H_0$, by combining time-delay measurements from seven TDCOSMO systems, Einstein radius measurements, and Type Ia Supernovae data sourced from the Pantheon+…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-28 L. R. Colaço , R. F. L. Holanda , Z. C. Santana , R. Silva

This paper presents a new model-independent constraint on the Hubble constant ($H_0$) by anchoring relative distances from Type Ia supernovae (SNe Ia) observations to absolute distance measurements from time-delay strong Gravitational…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-13 L. R. Colaço

In this work, we propose a cosmological model-independent and non-local method to constrain the Hubble Constant $H_0$. Inspired by the quasi cosmological model-independent and $H_0$-free properties of the `shifted' Hubble diagram of HII…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-18 Jian-Chen Zhang , Kang Jiao , Tong-Jie Zhang

Context. The precise determination of the present-day expansion rate of the Universe, expressed through the Hubble constant $H_0$, is one of the most pressing challenges in modern cosmology. Assuming flat $\Lambda$CDM, $H_0$ inference at…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-21 S. Taubenberger , S. H. Suyu , E. Komatsu , I. Jee , S. Birrer , V. Bonvin , F. Courbin , C. E. Rusu , A. J. Shajib , K. C. Wong

Progressive increases in the precision of the Hubble-constant measurement via Cepheid-calibrated Type Ia supernovae (SNe Ia) have shown a discrepancy of $\sim 4.4\sigma$ with the current value inferred from Planck satellite measurements of…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-01 T. de Jaeger , B. E. Stahl , W. Zheng , A. V. Filippenko , A. G. Riess , L. Galbany

We determine the Hubble constant $H_0$ precisely ($2.3\%$ uncertainty) in a manner independent of cosmological model through Gaussian process regression, using strong lensing and supernova data. Strong gravitational lensing of a variable…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-08 Kai Liao , Arman Shafieloo , Ryan E. Keeley , Eric V. Linder

Simulations of Type Ia Supernovae (SNIa) surveys are a critical tool for correcting biases in the analysis of SNIa to infer cosmological parameters. Large scale Monte Carlo simulations include a thorough treatment of observation history,…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-25 Daniel Scolnic , Richard Kessler

In this paper, we make a comprehensive determination of the Hubble constant $H_0$ by using two parameters - the B-V color and the rate of decline $\Delta m_{15}$ - to simultaneously standardize the luminosities of all nearby…

Astrophysics · Physics 2009-10-31 R. Tripp , D. Branch

An interesting way to calibrate the absolute magnitudes of remote Type Ia supernovae (SNe Ia) that are well out in the Hubble flow, and thus determine the value of the Hubble constant, H_0, has been introduced by van den Bergh. His approach…

Astrophysics · Physics 2007-05-23 David Branch , Adam Fisher , E. Baron , Peter Nugent

Absolute distances from strong lensing can anchor Type Ia Supernovae (SNe Ia) at cosmological distances giving a model-independent inference of the Hubble constant ($H_0$). Future observations could provide strong lensing time-delay…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-29 Xiaolei Li , Ryan E. Keeley , Arman Shafieloo , Kai Liao

In this paper, we propose a self-consistent test for a Hubble constant estimate using galaxy cluster and type Ia supernovae (SNe Ia) observations. The approach consists, in a first step, of obtaining the observational value of the galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2023-04-19 Kamal Bora , R. F. L. Holanda

The most precise local measurements of $H_0$ rely on observations of Type Ia supernovae (SNe Ia) coupled with Cepheid distances to SN Ia host galaxies. Recent results have shown tension comparing $H_0$ to the value inferred from CMB…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-26 Suhail Dhawan , Saurabh W. Jha , Bruno Leibundgut

The focus of this review is the work that has been done during the 1990s on using Type Ia supernovae (SNe Ia) to measure the Hubble constant ($H_0$). SNe Ia are well suited for measuring $H_0$. A straightforward maximum-light color…

Astrophysics · Physics 2009-10-30 D. Branch

We present the first determination of the Hubble constant $H_0$ from strong lensing time delay data and type Ia supernova luminosity distances that is independent of the cosmological model. We also determine the spatial curvature…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-03 Thomas Collett , Francesco Montanari , Syksy Rasanen

The most stringent local measurement of the Hubble-Lema\^itre constant from Cepheid-calibrated Type Ia supernovae (SNe~Ia) differs from the value inferred via the cosmic microwave background radiation ({\it Planck}$+\Lambda$CDM) by $\sim…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-29 T. de Jaeger , L. Galbany , A. G. Riess , B. E. Stahl , B. J. Shappee , A. V. Filippenko , W. Zheng

Recent studies suggest spectroscopic differences explain a fraction of the variation in Type Ia supernova (SN Ia) luminosities after light-curve/color standardization. In this work, (i) we empirically characterize the variations of…

Supernova H0pe is a multiply-imaged Type Ia supernova (SN~Ia) and the second lensed SN to yield a measurement of the Hubble constant by the time-delay cosmography method, finding $H_0 = 75.4^{+8.1}_{-5.5} \text{km s}^{-1} \text{Mpc}^{-1}$…

‹ Prev 1 2 3 10 Next ›