3 papers
astro-ph.CO2026
The CatWISE2020 Quasar dipole: A Reassessment of the Cosmic Dipole Anomaly
Masroor Bashir, Pravabati Chingangbam, Stephen Appleby
The Ellis-Baldwin test probes the cosmological principle by comparing the kinematic Cosmic Microwave Background dipole with the Doppler-driven dipole in the number counts of extrag…
gr-qc2026
CDM Model: Cosmological Implications and Dynamical System Analysis
Himanshu Chaudhary, Ratul Mandal, Masroor Bashir +2
We investigated a time-varying cosmological constant model using recent BAO measurements from DESI DR2, combined with Type Ia supernova samples (Pantheon, DES-Dovekie, and Un…
astro-ph.CO2025
Local patch analysis of ACT DR6 convergence map using morphological statistics
Masroor Bashir, Nidharssan S, Pravabati Chingangbam +4
We carry out a comprehensive hierarchical multi-scale morphological analysis to search for anomalous behaviour in the large scale matter distribution using convergence map provided…