Constraining Cosmological Parameters Based on Relative Galaxy Ages

Abstract

We propose to use relative galaxy ages as a means of constraining cosmological parameters. By measuring the age difference between two ensembles of old galaxies at somewhat different redshifts, one could determine the derivative of redshift with respect to cosmic time, dz/dt. At high redshifts, z=1-2, this measurement would constrain the equation-of-state of the dark energy, while at low redshifts, z< 0.2, it would determine the Hubble constant, H_0. The selected galaxies need to be passively-evolving on a time much longer than their age difference.

ApJ, submitted (6/7/01). 12 pages, 4 figures

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• Minimal model dependent constraints on cosmological nuisance parameters and cosmic curvature from combinations of cosmological data
• $f(T,B)$ Gravity in the late Universe in the context of local measurements
• Analytical Gaussian Process Cosmography: Unveiling Insights into Matter-Energy Density Parameter at Present
• Observational constrained Weyl type $f(Q,T)$ gravity cosmological model and the dynamical system analysis
• Constraining the emergent dark energy models with observational data at intermediate redshift
• Standardizing the Gamma-ray burst as a standard candle and applying to the cosmological probes: constraints on the two-component dark energy model
• Quantifying effects of inhomogeneities and curvature on gravitational wave standard siren measurements of $H(z)$
• The effective Lagrangian of dark energy from observations
• Generalized models of unification of dark matter and dark energy
• IR quantum gravity solves naturally cosmic acceleration and its coincidence problem
• On the robustness of the H$\beta$ Lick index as a cosmic clock in passive early-type galaxies
• Constraints on the speed of sound in the k-essence model of dark energy
• Decaying dark energy in light of the latest cosmological dataset
• The failure of testing for cosmic opacity via the distance-duality relation
• Testing the $R_{\mathrm{h}}=ct$ Universe Jointly with the Redshift-dependent Expansion rate and Angular-diameter and Luminosity Distances
• Fractional Einstein-Gauss-Bonnet scalar field cosmology
• The background Friedmannian Hubble constant in relativistic inhomogeneous cosmology and the age of the Universe
• Null tests with Gaussian Process
• First cosmological constraints on the Superfluid Chaplygin gas model
• Quiescent luminous red galaxies (LRGs) as cosmic chronometers: on the significance of mass and environmental dependence
• Bulk viscous matter in $f(T)$ gravity: A path to cosmic acceleration
• Constraints on Cosmographic Functions of Cosmic Chronometers Data Using Gaussian Processes
• Cosmological Constraints on Entropic Cosmology with Matter Creation
• Cosmological constraints on $\gamma$-gravity models
• Reconstructing the growth index $\gamma$ with Gaussian Processes
• Revisiting dark energy models using differential ages of galaxies
• Physical condition for the slowing down of cosmic acceleration
• Cosmological Boundary Flux Parameter
• Reference level of the vacuum energy density of the Universe and astrophysical data
• Observational constraints from SNe Ia and Gamma-Ray Bursts on a clumpy universe
• Observational constraints on electromagnetic Born-Infeld cosmology
• Bulk viscous fluid in symmetric teleparallel cosmology: theory versus experiment
• Testing Modified Gravity theory (MOG) with Type Ia Supernovae, Cosmic Chronometers and Baryon Acoustic Oscillations
• The effective running Hubble constant in SNe Ia as a marker for the dark energy nature
• Backreaction as an alternative to dark energy and modified gravity
• The Logotropic Dark Fluid: Observational and Thermodynamic Constraints
• Revisit of constraints on dark energy with Hubble parameter measurements including future redshift drift observations
• Constraining deviations from $\Lambda$CDM in the Hubble expansion rate
• Breaking the baryon-dark matter degeneracy in a model-independent way through the Sunyaev-Zeldovich effect
• Generalizing thawing dark energy models: the standard vis-à-vis model independent diagnostics
• Cosmography using strong lensing systems and cosmic chronometers
• Dark-energy dependent test of general relativity at cosmological scales
• Joint Analysis of Constraints on f(R) Parametrization from Recent Cosmological Observations
• Thermodynamic Constraints on the Dark Sector
• Bayesian Comparison of Interacting Modified Holographic Ricci Dark Energy Scenarios
• Review on the minimally extended varying speed of light model
• Exploring evidence of interaction between dark energy and dark matter
• Is there a dynamical tendency in H0 with late time measurements?
• The parameter space of Cubic Galileon models for cosmic acceleration
• Assessing the foundation and applicability of some dark energy fluid models in the Dirac-Born-Infeld framework
• Averaged Lemaître-Tolman-Bondi dynamics
• Constraining Exponential f(Q) Gravity with Cosmic Chronometers and Supernovae: A Data-Driven Analysis
• Search for Lorentz Invariance Violation using Bayesian model comparison applied to Xiao et al. GRB spectral lag catalog
• A model-independent test of the evolution of gas depletion factor for SPT-SZ and Planck ESZ clusters
• Presence of anisotropic pressures in Lemaître-Tolman-Bondi cosmological models
• Low-Redshift Constraints on Covariant Canonical Gauge Theory of Gravity
• Smoothing expansion rate data to reconstruct cosmological matter perturbations
• Tests of Standard Cosmology in Horava Gravity and Bayesian Evidence for a Closed Universe, and the Hubble Tension
• Square-Root parametrization of dark energy in $f(Q)$ cosmology
• Cosmology with Galaxy Cluster Properties using Machine Learning
• Constraints on Cosmological Models from Hubble Parameters Measurements
• Parameter estimation of a nonlinear magnetic universe from observations
• Cosmological constraints on ultra-light axion fields
• Effects of the matter Lagrangian degeneracy in $f(Q,T)$ gravity
• Constraints on Cosmological Models with Gamma-Ray Bursts in Cosmology-Independent Way
• Model-independent determination of cosmic curvature based on Padé approximation
• Posing Constraints on the Free Parameters of a New Model of Dark Energy EoS : Responses Through Cosmological Behaviours
• Braneworld cosmology in the sourced-Taub background
• Testing LTB Void Models Without the Cosmic Microwave Background or Large Scale Structure: New Constraints from Galaxy Ages
• Probing departures from $\Lambda$CDM by late-time datasets
• Astrophysical Tests of Kinematical Conformal Cosmology in Fourth-Order Conformal Weyl Gravity
• Effects of anisotropy in an anisotropic extension of $w$CDM model
• Simultaneous measurements on cosmic curvature and opacity using latest HII regions and $H(z)$ observations
• Dynamical systems analysis of an interacting scalar field model in an anisotropic universe
• A test of the evolution of gas depletion factor in galaxy clusters using strong gravitational lensing systems
• Unveiling the Effects of Coupling Extended Proca-Nuevo Gravity on Cosmic Expansion with Recent Observations
• Measuring the matter energy density and Hubble parameter from Large Scale Structure
• Modified Teleparallel $f(T)$ Gravity, DESI BAO and the $H_0$ Tension
• Examining the validity of the minimal varying speed of light model through cosmological observations: relaxing the null curvature constraint
• Forecasting cosmological constraints from age of high-z galaxies
• Revisiting model-independent constraints on spatial curvature and cosmic ladders calibration: updated and forecast analyses
• Beyond $\Lambda$CDM: Exploring a Dynamical Cosmological Constant Framework Consistent with Late-Time Observations
• cp3-bench: A tool for benchmarking symbolic regression algorithms tested with cosmology
• Investigating the $w$CDM Model with Latest DESI BAO Observations
• Thawing k-essence dark energy in the PAge space
• Surface Tension: Accelerated Expansion, Coincidence Problem & Hubble Tension
• Constraining Parameters for the Accelerating Universe in $f(R,{\mathcal{L}}_m)$ Gravity
• Constraining the Lattice Fluid Dark Energy from SNe Ia, BAO and OHD
• Multiple measurements on the cosmic curvature using Gaussian process regression without calibration and a cosmological model
• Late-time dynamics of dark energy EoS in symmetric teleparallel gravity
• Cancelling out systematic uncertainties
• Interacting Barrow Holographic Dark Energy in Non-flat Universe
• Uncalibrated Cosmic Standards as a Robust Test on Late-Time Cosmological Models
• Unveiling the Universe with Emerging Cosmological Probes
• Scale-dependent cosmology from effective quantum gravity in the invariant framework
• APPLIED COSMOGRAPHY: A Pedagogical Review
• Predicting spectral features in galaxy spectra from broad-band photometry
• Using bright ellipticals as dark energy cosmic clocks
• Non-parametric reconstructions of cosmic curvature: current constraints and forecasts
• A comprehensive data-driven odyssey to explore the equation of state of dark energy
• Endowing $\mathbf{\Lambda }$ with a dynamic nature: constraints in a spatially curved Universe
• Lensing amplitude anomaly and varying electron mass alleviate the Hubble and $S_8$ tensions
• On the consistency of the expansion with the perturbations
• Constraints on Spatial Curvature and Dark Energy Dynamics in the $w$CDM Model from DESI DR1 and DR2
• Investigating the cosmic distance duality relation with gamma-ray bursts
• From Barthel Randers Kropina Geometries to the Accelerating Universe: A Brief Review of Recent Advances in Finslerian Cosmology
• Constraints on the minimally extended varying speed of light model using the Pantheon+ dataset
• Beyond the Standard Model of Physics with Astronomical Observations
• Model-independent Gamma-Ray Bursts Constraints on Cosmological Models Using Machine Learning
• A New Parameterized Interacting Holographic Dark Energy
• Studies on dark energy evolution
• Constraining deceleration, jerk and transition redshift using cosmic chronometers, Type Ia supernovae and ISW effect
• Holographic Dark Energy from the Anti-de Sitter Black Hole
• Scalar-tensor extension of the $\Lambda$CDM model
• Observational constraints on the unified dark matter and dark energy model based on the quark bag model
• Cosmological acceleration from a gas of strings
• Cosmological constraints on $R^2$-corrected Appleby-Battye model
• Reconstruction of the interaction term between dark matter and dark energy using SNe Ia, BAO, CMB, H(z) and X-ray gas mass fraction
• Constraints on the Hubble and matter density parameters with and without modelling the CMB anisotropies
• Cosmic curvature on large-scale structures with homogeneous dark energy
• Teleparallel dark energy in a nonflat universe
• Bias of reconstructing the dark energy equation of state from the Pad$\acute{e}$ cosmography
• Redshift evolution of the Hubble constant: Constraints and new insights from an interacting dark energy model
• Cosmology of fermionic dark energy coupled to curvature
• Constraining late-time transitions in the dark energy equation of state
• Testing Lambert$W$ equation of state with observational Hubble parameter data
• High precision measurement of cosmic curvature: from gravitational waves and cosmic chronometer
• Comparing measures of the Hubble and BAO tensions in $\Lambda$CDM and possible solutions in $f(Q)$ gravity
• Dark energy effects on realistic neutron stars
• Cosmological parameter constraints using phenomenological symbolic expressions: On the significance of symbolic expression complexity and accuracy
• Implications of Dynamical Dark Energy in the expansion of the Universe and the Structure Formation
• Constraints on Holographic cosmologies from strong lensing systems
• BBN to Late-Time Acceleration in $f(T,{\mathcal{L}}_m)$ Gravity
• Generalized Holographic Cosmology: low-redshift observational constraint
• Cosmological Evolution of Viscous Dark Energy in f(Q,C) Gravity: Two-Fluid Approach
• Geometrical constraints on dark energy models
• Structure Formation in Dark Matter Particle Production Cosmology
• Dynamical Oscillations in Dark Energy: Joint Constraints on the $w_{sin}$CDM Model from DESI, OHD, and Supernova Samples
• The reconstruction of dark energy with Ridge Regression Approach
• Data Analysis and Phenomenological Cosmology
• Galaxy clusters, cosmic chronometers and the Einstein equivalence principle
• Cosmological model with Gong-Zong Parametrization in $f(R,L_m)$ gravity
• Modified cosmology through generalized mass-to-horizon entropy: observational constraints from DESI DR2 BAO data
• Effect of Peak Absolute Magnitude of Type Ia Supernovae and Sound Horizon Values on Hubble Tension using DESI results
• A simple Hubble-like law in lieu of dark energy
• Globular clusters as cosmic clocks: new cosmological hints from their integrated light
• Viability of general relativity and modified gravity cosmologies using high-redshift cosmic probes
• Determining $H_0$ from distance sum rule combining gamma-ray bursts with observational Hubble data and strong gravitational lensing
• ParamANN: A Neural Network to Estimate Cosmological Parameters for $\Lambda$CDM Universe Using Hubble Measurements
• Stringent constraint on the CCC+TL cosmology with $H(z)$ Measurements
• Reconstructing the Cosmic Expansion History with a Monotonicity Prior
• Cosmic expansion beyond $\Lambda$CDM: Investigating power-law and logarithmic corrections
• Hubble Tension and Dark Energy in Teleparallel Gauss-Bonnet Gravity: New Constraints from DESI BAO, Pantheon${}^{+}$ and Hubble Data
• Logarithmic and Strong Coupling Models in Weyl-Type $f(Q,T)$ Gravity
• Linear perturbations spectra for dynamical dark energy inspired by modified gravity
• Characterizing the equivalence between dark energy and radiation using gamma-ray bursts
• Constraining the swiss-cheese IR-fixed point cosmology with cosmic expansion
• Late Time Phenomena in $f(T,\mathcal{T})$ Gravity Framework: Role of $H_0$ Priors
• Testing the Constancy of Type Ia Supernova Luminosities with Gaussian Process
• Unimodular Theory of Gravity in Light of the Latest Cosmological Data
• Time to Sparkler. Accurate ages of lensed globular clusters at $z=1.4$ with JWST photometry
• New $H(z)$ measurement at Redshift = 0.12 with DESI Data Release 1
• Phantom scalar field cosmologies constrained by early cosmic measurements
• Mimetic Tensor-Vector-Scalar Cosmology: Incorporating Dark Matter, Dark Energy and Stiff Matter
• Matter production effects and interacting scenario within a reconstructed mimetic cosmology for late times
• Observational constraints on generic models of non-minimal curvature-matter coupling
• Dynamical Dark Energy Signatures from a New Transition $Om(z)$ Parametrization in Flat FLRW Cosmology
• On Direct Estimation of Density Parameters and Hubble Constant for $\Lambda$CDM Universe using Hubble Measurements
• Barboza-Alcaniz Equation of State Parametrization : Constraining the Parameters in Different Gravity Theories
• Testing Exponential $f(R)$ Gravity with CMB, DESI-DR2, and Supernova Data
• Cosmological viability of a double field unified model from warm inflation
• A Review on Resolving the Hubble Tension via Late-Universe Physics
• Observational tests of the conformal osculating Barthel-Kropina cosmological model
• Quintessence dark energy model in non-linear $f(Q)$ theory with bulk-viscosity
• A semi-cosmographic approach to study cosmological evolution in phase space
• Cosmic expansion history analysis with Hubble parametrization in $Q^n$ gravity
• Cosmological Constraints on the Undulant Universe
• Model independent reconstruction of cosmological accelerated-decelerated phase
• Geometric acceleration in $f(Q,C)$ theories
• Observational Constraints on Chaplygin Gas Models in Non-Minimally Coupled Power Law $f(Q)$ Gravity with Quasars
• Thermodynamic parametrization of dark energy
• Impact of Large-Scale Structure along Line-of-Sight on Time-Delay Cosmography
• Compact Objects in 4D Einstein Gauss Bonnet Gravity A Data Based Perspective
• Is the cosmological dark sector better modeled by a generalized Chaplygin gas or by a scalar field?
• Low-redshift tests of Newtonian cosmologies with a time-varying gravitational constant
• Finding Possibility of Dynamical Dark Energy with Hubble Parameters
• Heterogeneity of Inverted Calcium II H:K Ratio Cluster Galaxies
• Cosmological Model Independent Constraints on Lorentz Invariance Violation with Updated Gamma-Ray Burst Observations: An Artificial Neural Network Approach
• Exploring Late-Time Cosmic Acceleration in VCDM Cosmology
• Cosmological constraints on the big bang quantum cosmology model
• Cold Collapse and Bounce of an FLRW Cloud
• EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions
• The averaging problem on the past null cone in inhomogeneous dust cosmologies
• Optimizing Gaussian Process Kernels Using Nested Sampling and ABC Rejection for H(z) Reconstruction
• Cosmic chronometers with galaxy clusters: a new avenue for multi-probe cosmology
• Intermediate redshift calibration of Gamma-ray Bursts and cosmic constraints in non-flat cosmology
• On the energy flow of $\lambda$ in Hořava-Lifshitz cosmology
• Relativistic Angular Redshift Fluctuations embedded in Large Scale Varying Gravitational Potentials
• A Spectrum of Cosmological Rips and Their Observational Signatures
• A speed limit on tachyon fields from cosmological and fine-structure data
• Constraints on AvERA Cosmologies from Cosmic Chronometers and Type Ia Supernovae
• Geometric formulation of $k$-essence and late-time acceleration
• A Combined Barrow Entropy and QCD Ghost Mechanism for Late-Time Cosmic Acceleration
• Exploring the Viability of $f(Q,T)$ Gravity: Constraining Parameters with Cosmological Observations
• Cosmological test of a length-preserving biconnection gravity
• Kinematic Probes of Type-II MMG: Padé Cosmographic Analysis of VCDM
• The model-independent degeneracy-breaking point in cosmological models with interacting Dark Energy and Dark Matter
• Running Einstein Constant and a Possible Vacuum State of the Universe
• The $f(Q)$ gravity and affine EoS: Compatibility and observational constraints
• Constraining the Hubble Constant with a Simulated Full Covariance Matrix Using Neural Networks
• Yano-Schrödinger Hyperfluid: Cosmological Implications
• A Quantitative Framework for Testing the Hubble Tension in a Bianchi Type I Cosmological Background
• Cosmological Constraints on the DGP Model in light of DESI DR2 2025 Data
• Reconstruction of a dark energy model for the Dirac-Born-Infeld scalar field with the Hubble and DESI data via Gaussian process
• Signatures of Extended Dark Energy Parametrisations in Structure Formation under Background Constraints
• Constraints on the gravitational potential from DESI DR2 BAO and its implications for the local void scenario
• Late-time cosmological constraints on three holographic dark energy models with DESI DR2 BAO and Type Ia supernovae
• $f(T,B)$ cosmography for high redshifts
• Testing the CCC+TL cosmology with cosmic-chronometer measurements of the Hubble parameter
• Friedmann-free limits on spatial curvature
• Quintom scalar field : Varying dark energy equation of state obtained from recent SNe Ia, BAO and OHD data
• Cosmography via stellar archaeology of low-redshift early-type galaxies from SDSS
• Testing the cosmic distance duality relation using model-independent approach
• Bayesian and Machine-Learning Analyses of Nonminimal $f(Q)$ Gravity and $H_0$ Tension
• The dynamics of background evolution and structure formation in phase space: a semi-cosmographic reconstruction
• Structural Limitations on Constraining the Time Evolution of Dark Energy