299 citations · 346 across the 15 of their papers we have counts for
15 papers
The tidal features of the classical Milky Way satellites: Expected in MOND but inconsistent with cold dark matter models
Elena Asencio, Indranil Banik, Pavel Kroupa
Most classical satellites of the Milky Way are known to display signs of tidal disturbance (e.g. tidal tails, substructures, and distorted shapes). This cannot be explained by the…
Baryonic mass budgets in the central regions of the Bullet Cluster and their consistency with strong lensing in MOND
Dong Zhang, Hosein Haghi, Elena Asencio +8
Strong lensing observations of the Bullet Cluster have traditionally been regarded as strong evidence for dark matter and a major challenge to Milgromian dynamics (MOND). The offse…
The age of the Universe from a large sample of the oldest Galactic stars
Indranil Banik, Thenujaya Kudakolawa Kaluarachchige, Stephen Cookson +1
We estimate the age of the Universe using the Xiang & Rix sample of 247,103 Milky Way stars with low-resolution spectroscopy from LAMOST DR7 and eDR3 parallaxes. Stellar age…
Constraints on the gravitational potential from DESI DR2 BAO and its implications for the local void scenario
Indranil Banik, José Antonio Nájera, Harry Desmond
We constrain the difference in gravitational potential between our location and sources at using datasets at those redshifts. Our motivation is that the Hubble tens…
How does a MOND cosmology fare on Gpc scales? - Collisionless -body simulations of HDM
Alfie Russell, Indranil Banik, Oscar Cray +1
We present the largest collisionless -body cosmological simulations in a MOdified Newtonian Dynamics (MOND) cosmology to date. Our 4 simulations cover CDM as a baseline, a MO…
A Quality Framework for Testing Gravity with Wide Binaries: No Evidence for MOND
Stephen A. Cookson, Indranil Banik, Kareem El-Badry +4
Wide binaries (WBs) offer a unique opportunity to test gravity in the low-acceleration regime, where modifications such as Milgromian dynamics (MOND) predict measurable deviations…
The local void model for the Hubble and BAO tensions
Indranil Banik, Harry Desmond, Vasileios Kalaitzidis +1
The inconsistency between the locally inferred Hubble constant and the value inferred from the cosmic microwave background assuming the CDM cosmological model has persisted, tur…
The subtle statistics of the distance ladder: On the distance prior and selection effects
Harry Desmond, Richard Stiskalek, José Antonio Nájera +1
Statistical methodology is rarely considered significant in distance-ladder studies or a potential contributor to the Hubble tension. We suggest it should be, highlighting two appr…
Comparing measures of the Hubble and BAO tensions in CDM and possible solutions in gravity
José Antonio Nájera, Indranil Banik, Harry Desmond +1
We test whether symmetric teleparallel gravity theories can solve the Hubble tension consistently with DESI DR2 BAO. We consider three functional forms: logarithmic,…
Testing the local supervoid solution to the Hubble tension with direct distance tracers
Richard Stiskalek, Harry Desmond, Indranil Banik
Several observational studies suggest that the local few hundred Mpc around the Local Group are significantly underdense based on source number counts in redshift space across much…
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.…
Testing the local void hypothesis using baryon acoustic oscillation measurements over the last twenty years
Indranil Banik, Vasileios Kalaitzidis
A promising solution to the Hubble tension is a local void that is roughly 20% underdense out to 300 Mpc, as suggested by galaxy number counts in the near-infrared. Gravitationally…
Challenges to a sharp change in as a solution to the Hubble tension
Indranil Banik, Harry Desmond, Nick Samaras
It has been proposed that the gravitational constant abruptly decreased around 130 Myr ago, making Type Ia supernovae (SNe) in the Hubble flow intrinsically brighter than those…
Constraints on the Hubble and matter density parameters with and without modelling the CMB anisotropies
Indranil Banik, Nick Samaras
We consider constraints on the Hubble parameter and the matter density parameter from: (i) the age of the Universe based on old stars and stellar populations…
Distinct radial acceleration relations of galaxies and galaxy clusters supports hyperconical modified gravity
Robert Monjo, Indranil Banik
General relativity (GR) is the most successful theory of gravity, with great observational support on local scales. However, to keep GR valid over cosmic scales, some phenomena (su…