KAKaran Akbari

Work

Research

One page per project, each with the paper linked at the bottom.

Papers

First author

  • Akbari, K., “A Cross-Band (X-ray × Optical) Periodicity Search for Supermassive Black Hole Binaries: A Null Result and the First Completeness-Corrected Constraint.”

    ApJ 1009, 184 (2026). DOI · arXiv

  • Akbari, K., Patel, C., Bhattacharya, S., Bhattacharyya, S., & Choudhury, M., “Probing heartbeat oscillations from the black hole X-ray binary GRS 1915+105 using spectral-timing analysis.”

    ApJ 1007, 64 (2026). DOI · arXiv

  • Akbari, K., “Misspecification in amortized X-ray spectral inference: a detection benchmark, a gain shift three schemes cannot see, and marginalizing it out.”

    Preprint. arXiv

  • Akbari, K., “A Calibration Audit of a Gaia XP White-Dwarf Main-Sequence Binary Catalog: How Much the BP-Band Residual Contaminates at Its Bound and Above.”

    Preprint. arXiv

As co-author

  • Patel, C., Bhattacharya, S., Akbari, K., Nadar, R., Bhattacharyya, S., & Choudhury, M., “Circumstellar Disc and X-ray Variability in the Be/X-ray Binary SXP 5.05 During its 2024 Outburst.”

    JHEAP, 100758 (2026). DOI

  • Patel, C., Bhattacharya, S., Akbari, K., Bhattacharyya, S., & Choudhury, M., “A continuous transition from Type-C Quasi Periodic Oscillations to the Heartbeat state in the Black hole X-ray binary 4U 1630-47.”

    Under review, MNRAS. arXiv

  • Nandi, A., et al. (52 authors, including Akbari, K.), “Importance and Science Outcomes from the first XSPECT/XPoSat Workshop.”

    Workshop white paper. arXiv